Perhaps, but that’s subjective. ISO 3200 – 645Z on the left, D800E on the right. Well, not having used either the duplicator (I don’t even believe there are any for sale) or the 5000ED, I can’t really say…. No idea on color, though I’ve profiled all of my cameras to taste anyway, so they’re all producing roughly the same thing in final output. A by the by on the 645D price—I’m sure you’ve quoted prices at time of release to keep things consistent; but for any interested persons, the 645D is still available new here in Tokyo and pre-645Z release date was retailing for circa 470,000JPY (body only). In this review, we will be comparing 645D and 645Z, two Pro DSLR cameras by Pentax. Battery life is also noticeably better, and despite the increase in pixel count, the camera seems to be no more susceptible to shutter vibration than the old one; I presume we have a new mirror and shutter mechanism to thank for this. User rating suggested Hasselblad X1D Fujifilm GFX 50S Hasselblad X1D-50c Hasselblad H6D-100c Leica S … The only way they communicate is via the little pin that protrudes from the camera body and used to advance the film counter; before the exposure, when the auxiliary shutter curtain rises, the pin extends into the back which wakes it up and primes the sensor; the leaf shutter is closed at this point so the whole camera is light-tight. I wonder if mixing fast strobes with slow or long duration heads will solve the problem for fast action or not. Here is a summary of how Pentax 645D and Pentax 645Z scores compare: Pentax 645Z is the overall winner of this comparison. And that’s not quite the case, because this camera is about a stop or so cleaner at the pixel level, too. A whopping 15+% of the population works in the civil service, for starters. The Schneider isn’t easily available, and frankly after trying the 50 and 90mm – I don’t have a lot of confidence in it. *The definition of ‘usable’ is also highly dependent on how tolerant you are of shadow noise. Dynamic range I’ll break down the assessment into a few categories. All the best with her and I wish her a speedy and total recovery. Plus the Z needs to be paid for! Especially if you consider the overall performance flexibilty, for all purposes usable, broadest lens selection, still “carryable”, possibility of creating a light travel kit 1.8 primes 70-200 f4….the widest possible lens of all, tilt and shifts…the 14-24 aimed to be the king of landscape and partially architecture……. If you are ever in Oregon look me up. I won’t be uploading any full size files – there’s no point. Thanks Jay! The first time I used the D800/E, I was surprised by firstly how flat the raw files looked, then by just how much latitude they held – in both shadows and highlights. I’d say the 645Z’s higher 25k and 51k sensitivities can be used if you don’t mind downsizing. The amount of work it takes to maintain this site plus everything else is physically impossible to sustain on a long term basis – 16-18 hour days, every day, is normal. There’s probably an easy 1.5-2 stops at both ends; practically, the D800E seems to have around 13.5 usable* stops at base ISO. How much better is the D810 than the D800e? Ideally, I’d have liked to have picked the best lens for each system – the 55 or 90mms for Pentax; 45 or 85mm PCEs or the Zeiss Otus or 135mm APO for the Nikon, and the 50 Distagon or 120 Macro for the Hasselblad. So I get why the CFV needs to go. The best of the 16-35s are better than the best of the 14-24s, but you can get a dog with either. I did think about doing it but gave up when I saw there was no way to shove a V-H or V-S adaptor’s guts (recocking etc.) This isn’t quite the case with the CMOS cameras, which only start to visibly lose dynamic range over about ISO 800 (D800E) or 1600 (645Z). Technically, I think the differences are very small indeed. They are really heavy as folks know. The difference is seen mostly at normal angles of view and below: it’s difficult to describe exactly, but wides look wide. Between Ferraris, bikes and several rather nice cameras you successfully took my mind off feeling old for as long as it took to read a few thousand words…, Todd likes your comment: Pentax 645D has the same height and width with Pentax 645Z. Fond farewell? It loses nothing in shooting envelope to the Nikons, and perhaps gains a bit, too. I’m with you here 100%. I did read it on the same way I read the passionate chronicles of the chess world championship matches; I don’t understand very much but I like them : ). For those unfamiliar with the 645Z, it is Pentax's most recent iteration of the venerable 645 series of medium format cameras, and was announced in 2014. I do use a color chart to get into the ballpark, but that assumes your monitor is perfect to start, and that your eyes are accurate enough to tell the difference. Partially because portraiture and fashion aren’t my speciality, and partially because my model/muse/wife is in hospital with dengue fever at the moment. Doesn’t change the fact that the lenses are amongst the finest ever produced. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. About two hours in the chair at the hospital, I think. I need you then in order to find these best 16-35 samples !!! The bigger sensor size; the fact it fits in with a film camera system; the pleasing tones (great point about resolution versus tones as we get more sampling). His 15 minutes are over. “Happy Birthday Todd! None of these bodies have sensor based image stabilization so you have to buy lenses with Optical stabilization feature. Thank you for the tips on Nikon lenses. So we’ll make do with four: two from the old CCD guard and two from the new CMOS challengers. The ISO limit is higher, I’m getting usable shots at 12800 and that’s after pushing them another 2 stops (vs 6400 max on the Phase and Hasselblad versions). Pentax 645D, in its turn, comes with a 40.0 MP Medium format sized CCD sensor and Prime II processor , which makes it significantly different from the first model. Sample variation is rife with all of these lenses. Pentax smc D FA 645 55mm F2.8 AL IF SDM AW, Pentax HD DFA645 Macro 90mm F2.8 ED AW SR, Help viewing and changing settings easily, Useful for tough lighting conditions and HDR. Hah! We also have the Z3200 and its larger 60″ brothers. The one thing that has changed in my needs is trying to carry less weight. I’m not talking about the super-shallow depth of field that’s a property of very large formats, but the way the focus transition rolls off, even at f8; it tends to be much smoother and more gradual than the abrupt ‘planes’ we’re accustomed to with fast lenses and 35mm DSLRs. The new Pentax just might outsell all other MF digital bodies put together. By extension, everything said about the D800E applies to the recently announced D810, too. The 645Z features a 51.4 MP medium format (43.8×32.8mm) CMOS sensor. Hi Ming, I am currently using a 645D and waiting on my 645Z to arrive. My own methodology has simply been trial and error over loads of scenes/lighting to adjust to taste. Number of available lenses is a big decision factor while choosing your interchangeable lens camera. Both cameras have Medium format sensors but Pentax 645D has a 40.0 MP and Pentax 645Z has a 51.0 MP resolution. I have made a few brief visits to Singapore, but have never seen KL. Two of the cameras I wanted the most this year are surely the Nikon D800E and the Pentax 645D.Both provide stellar image quality thanks to the 36mp and 40mp respectively and the lack of an Anti-Alias filter (sort of: D800E still has one, but it’s neutralized) all wrapped up in a weathersealed body that can be taken practically anywhere. Clearly you don’t think many take him seriously either. Splitting the 645Z and the CFV is much harder; though there’s a definite resolution advantage to the 645Z over all of the cameras here – between 27% and 40% in area – I think the CFV trumps it very slightly in pixel acuity, though this may well be down to the lenses. Pentax 645: D-FA 25/4 SDM, D-FA 55/2.8 SDM, D-FA 90/2.8 SR SDM Macro – and perhaps the FA 200/4 if focused manually with live view. The d800e and the d810 seems to be a bargain in comparison to the others (Mf digital backs)! There are two enormous reasons why they can ask for that much money and still find buyers, though: autofocus + leaf shutter/ high speed flash sync, and professional support – at least in the rest of the world. Popular Pentax 645AF2 Mount Lenses for 645D and 645Z. The final image is to show a few things: at the same output size, how much depth of field separation you get from a given angle of view and real aperture – in this case, 60mm (35mm EFOV) and f2.8. How to make Tilt/Shift with Pentax 645? My biggest problem would be very blotchy noise in blue skies especially in the darker corners due to vignetting. Great article as always MT;^) I would be very curious on what your off the cuff thoughts would be about the new Pentax film duplicator accessory. Can’t locate one at the moment but if all else fails I’ll just have to wait until one becomes available. Even the blocky-looking Hasselblad V bodies are actually very comfortable to use; I actually find them very, very fluid in use and beautifully simple. Homes here are being bought to live in, and there is a shortage. Oh, and all the best to your wife. Two you bash Kai from digital rev TV. Pentax 645D vs 645Z. However, it still renders like 35mm. Again, speed- and accuracy-wise, it doesn’t feel much different to the D800E. You can also get your gear from B&H and Amazon. Remember, this image has not been sharpened. ISO 100. All the best to you both. Below you can see the 645D and 645Z sensor size comparison. Available colors: Editiorial reviews ... Pentax 645D. I’m just about to get a 645z and I have a question that I can’t seem to find any answer to on the net. Short answer on the CFV – not viable at all, it has to go to pay for the Z. churning a D610 instead of fixing the D600’s oil spots… only to acknowledge they had to take their responsibilities when their “strategy” brutally and unsurprisingly backfired on them). Heads and shoulders over all others I’ve read! Personal preference. Current system – Nikon D4, 800E, 600mm, 200-400mm (which I hardly use), 70-200mm, 24-70mm and 14-24mm (seldom used), and TC 1.4x and 2x. It’s difficult to come to a clearly meaningful ‘which is better’ conclusion here, other than it’s clear that the 645Z succeeds and improves on the 645D by some margin, and unless you’re on an extremely tight budget (in which case you’re probably going to be better off with the D800E or D810 anyway) is really a non-starter option unless you must have that medium format look. Amazing comparison review with exceptional shots…and as you mentined the D810 makes it even a tougher call…better ISO (e.g.native ISO 64-12800) among others minor improvements but some of them makes sense…. canon sport pro shooters) and have too much money –> too big to fail??? Do not need high pixel density, sufficient for a 30 Mpx after resampling. Keep in mind that scanning is a bit of an art to itself, at it takes some work to get the best results out of scanning. 4.61 in. And the operational experience is very, very different. I used the Nikon Coolscan 5000ED and was disappointed in the amount of noise when scanning 35mm Velvia at full resolution 4000ppi. I thought so initially, it being medium format and MF always giving the ‘feel’ of quality stuff, but your review made me doubt my options…, A D810 (or even D750) is more than enough. So what is the bottom line? Note also that because of the much longer flange back distance compared to say 35mm and mirrorless, production tolerance issues are much less noticeable. It just not feld right. inside the V-P645 adaptor’s volume. Ming, I always find your reviews to be informative and visually rewarding, whether I’m interested in the product or not. You’d have to skip a lot of cameras to get the car instead…, Depends in which country. ISO 800. The Pentax 645Z was announced more than two years ago, back in April of 2014. The adaptor is pretty thin, so I don’t see any easy way that it could trigger the leaf shutter. I don’t know how many CFV backs Hasselblad sold in the three or so years before discontinuing them, but you can be sure it’s probably fewer than Nikon makes D800Es in a week. No noise reduction was applied – switched off in camera and zeroed out in ACR except for the identical default 25% chroma NR applied to all cameras. A note on objectivity: I own three of these cameras (and two D800Es) and my aim is always to use the best tool to get the best result; I like to believe that I’m about as close to unbiased with the relative comparisons as you’re likely to find…, Lastly, but importantly – a huge thank you to my buddy Darren at, Hasselblad V: 4/40 IF, 4/50 FLE, 4/120 Makro-Planar, 4/150, 4/180, and the Superapochromats. Not sure if a similar question was already asked and/or addressed by others in this blog if so, I apologize in advance. Some of the newer dedicated film scanners are quite good, especially those with SilverFast, if you can get use to using that software. When seriously considering one of these imaging monsters, it’s also important to look at the types of subjects you shoot, and the lens choices and general system accessories available. I never mentioned HDR anywhere, that was added in out of context. Your training as a physicist, combined with your diverse career background, give your photographic commentary exceptional depth (and every thinking photographer appreciates that). However: your requirements and local options will almost certainly differ, and this should be taken into consideration, too. I have finally found a blog/website (yours) that has real answers–and also quite enjoyable to read. The improvements are mostly operational. And finally, the CFV combination is really a scalpel: it excels at some things, but definitely isn’t for every situation. Thank you. However, while the cameras out all great, I gotta tell you: I’d rather have the Ferrari. Don’t forget to like us on Facebook and join the reader Flickr group! I don’t know … Depends on what kind of a house you want. Get a Zeiss Compact Zoom CZ.2 15-30 T2.9 and be satisfied. In any case, it’s not a big deal to profile the colour of any one of these cameras (or all) to be the same as the CFV, or consistent with a fifth reference. the announcement from Canon that they would be releasing the 50mp 5DS body ;) So HK / Kai Wong is calling….;). Top stuff, have you bothered sleeping in between receiving the 645Z and this review . feel much the same as the D800E: effectively instant. I was thinking maybe the 645D so there’s some budget left for lenses, but it’s the same price as FF offerings from Canikon – and is the 645D good enough in comparison to choose it over a FF? I know from personal experience that it can help to continue some flow of routine work while a loved one is ill, but I hope you will take adequate personal time for her and yourself for those long-term benefits of health. Do you think I would gain much by going to 645Z system? However, I’m really trying to understand why you made this particular comparison? 5 editorial reviews. Wow! Will the ccd system have a more “medium format” look than the pentax cmos?”. Apart from the pleasure to be gained in using a beautifully thought out and engineered (and bomb-proof) piece of equipment, which is equally at home in the pouring rain or falling snow of a Scottish mountain top as in a studio environment, the real beauty of the S system lies in the lenses which are second to none – even the 30-90mm zoom – pricey but staggeringly good. And there’s absolutely no shortage of Nikon glass whatsoever, though not all of it will be able to perform to the expected level on the D800E’s sensor. The 645D has a resolution of 39.5 megapixels, whereas the 645Z provides 51.1 MP. Take a look below to find the comparison of Pentax 645D and Pentax 645Z by the size of their sensors. . Love Nikon, hate only their conservationism, lack of standards (no built in wifi, gps) and innovations….but it seems Canikon still doesnt have to be innovative….still…tso fuji, oly, ricoh/pentax and espc. There are few rational reasons to use the Hassy these days, but satisfaction can’t be measured. Still, the differences are relatively slight and easily correctable afterwards. In Malaysia at least, even the regular M 240 is more expensive than the 645Z. How is that productive? Alternatively strobe heads like the speedotron 103 with their power packs – whose flash duration is quite long. I think there’s no question that there’s a frightening amount of resolution here – note the reflections in the bolts, and the textural differentiation in the brake calliper. I have a Pentax 67 with all the lenses. I still think the V series design is one of the most fluid in use – all of the critical controls (focus, aperture, shutter) are all on the lens itself, easily preset, and viewable at a glance. Try overpriced low quality c*** that’s inflated in price because of the many layers of middlemen and cronies it has to pass through first. Too bad they never made use of the extra image circle over the crop factor to offer camera movements. The CCD cameras, on the other hand, are starting to lose detail and dynamic range; in the case of the CFV, we’re losing pretty much everything below Zone IV. Our ‘lowest’ resolution camera here weighs in at 36MP; the highest, 51. Pentax 645Z's sensor provides 11MP more than Pentax 645D's sensor, which gives a significant advantage in real life. Pentax 645D 40MP Medium Format Digital SLR Camera with 3-Inch LCD Screen (Body Only) 4.7 out of 5 stars 10. Pentax 645D review, find out how the 645D stacks up against the competition in our real-world review with in-depth image quality comparisons. From the 645Z. There’s also slightly less depth of field (60mm plays 80mm). While the latter is top notch, I, and no doubt many of your discerning regulars, am particularly drawn by the calibre of your insights (for as long as you care to share them & not go spare with the pressure). On the other hand, Pentax 645Z has a 51.0MP Medium format (44 x 33 mm ) sized CMOS sensor and features PRIME III processor. Prices are the same as normal, however a small portion of your purchase value is referred back to me. However, this system as a digital option has one enormous catch: because the film capture area was meant to be square, the viewfinder and controls were laid out in such a way as to only work in one orientation. From this comparison it really looks like D800E, or the new D810, actually is very, very close to 645Z and that makes me think really hard if it wouldn’t make more sense (for my needs) to go rather that direction than to 645Z (and to replace my Hassy + Leaf back) and for proper medium format just shoot on film and good old square. reframing the world one picture at a time. The IQ280 and H5D-200MS are really only for static subjects. I’ve used CCD line scanners, professional flatbed scanners, and drum scanners. when used appropriately…. I guess old lenses are smoother than the newest ones… You are right. Both of these have more extensive lens systems with some tilt shift options (or the 1.5x HTS tilt-shift converter for the Hasselblad) and autofocus, but a significantly increased price – north of US$27,000 for the H5D-50C, and $32,000 for the IQ250. Apply PP NR, downsize and you’ll actually have a surprisingly usable file. I have the Fotodiox RZ67 to Nikon F-Mount adaptor and about 10-11 RZ67 lenses. Floris, just stop tormenting yourself with varying quality of 16-35 samples. Fast, accurate 27-point autofocus system. Nope, sorry. Singapore is even worse – perhaps 3x or more. I can’t help but wonder actually if the M240 would have been better off with the D800E’s sensor (The D4S/ Df sensor would be ideal given its aim as a reportage camera, but I can’t see Nikon releasing that one). A have a question. PENTAX 645Z + smc PENTAX-FA645 45-85mm F4.5 @ 45mm, ISO 100, 1/15, f/11.0 Overview and Sensor Size Comparison. And maybe the distortion factor too… I don’t notice (with the focal lengths you choose), the odd looking furniture in the corners that drop off as if they are living in another dimension, typical of UWA’s. Otherwise, Pentax 645Z is the better camera overall. I think the truth lies somewhere between those two. Funny you should mention that – I got slammed on a few forums for being too desaturated and presenting and ‘flat’ images – perhaps these people are so used to HDR they’ve forgotten what the real world actually looks like…. Post was not sent - check your email addresses! Everything other than the ISO test series was shot at base ISO (100 for all cameras) on a heavy. The 5DS exceeds it. I also profile up front, but it’s just something I don’t understand, why companies have such different perception of colour. Include description. Comparison of Pentax 645Z (51.4MP) and Pentax 645D (40MP) on sensor size (55mm diagonals), pixel pitch, pixel density and more. Color and tonal response The Samyang is clearly even worse, but has the one advantage of independently rotatable TS axes. Local manufacturing? The Nikon D800E splits the difference – 1/8000s maximum shutter, 1/250s sync speed, and lenses down to f1.2 (mostly f1.4). 4.61 in. Even though i have alot of cannon glass, i hired the 5ds and wasnt too impressed.. I think the CVF-39 comes off the hardest to make a call on after this comparison. Realistically, this means that architecture still remains the preserve of the Nikon system for me. all out) – and that’s perhaps not so sustainable…. If it’s the larger format look, remember that you can get much faster lenses for the 35FF systems than Pentax 645 (f2.8 max). You can get a used 645D for circa 250,000 JPY… After reading your review, I’d say the 645D is dead in the water as a used choice and only of novelty value for the Kodak CCD, or as a make-do until used 645Zs begin to appear in a few years (in the meantime build a lens arsenal on the 645D, etc). , Unfortunately, as Ken Rockwell once said of Leica, they are a company with “decades of tradition, unhampered by progress.” So the chances of them producing an E-M1-type S camera anytime soon are nil. That’s an opinion, and I’m entitled to mine on MY site as you clearly feel you are entitled to yours…again on MY site. Pentax 645Z. By the same token, the Pentax 645 system is not the best choice for studio shooters: flash sync is just 1/125s because of the focal plane shutter and a lack of leaf shutter lenses; however, you do get a 1/4000s maximum overall speed, and most of the lenses are f2.8. Secondly, and more importantly, as you point out the lenses are probably the best available for medium format period – I suspect they may close the gap a little as Pentax has some work to do on that front, and the Zeiss designs were state of the art forty years ago. ISO 100. Thanks, 4.61 in. I recommend going by what I say, not so much what you see in the web jpegs. However, it’s worth noting that at least some of this (for all cameras) is attributable to the raw conversion since we only have 14 bit files to begin with. You’re welcome. So for you the 16-35 is better optically?? No. I would be your your location guide. There’s a possibility you might lose some power if you use the high speed solution. Why is Pentax 645D better than Pentax 645Z? The Hasselblad CFV-39 is sadly discontinued, but the CFV-50 (50MP) is still available here from B&H. Thanks Ming, great job as usual. D800 with 24 PC-E is also not so good for the pixel density, Schnneider 28 PC-E? The contenders. Lots of water and lots of watery fresh fruits and no aspirins. I wanted to see how the best DSLR on the market the Nikon D850 performs against the Pentax 645z. This is not to say that the 645D and CFV-39 are slouches in this department: far from it. Advantages I see for my wide angle stuff, are the higher resolution in 645Z and better ISO performance than 800E. That said, I think there are some physical limits at work here: if you want that kind of rendering relationship between FOV and DOF, you need a certain sensor size. ). A while back I’d raised an eyebrow to see that the SNR 18% plots of the D800E and 645D are basically the same line (using the comparison tool on DxO) from 100 to 1600 (as far as the D can go) and remain surprised to see the 645D looking eminently useable at 800 here. Regardless of all of this, if you enjoy the experience of shooting with an older, fully mechanical/ manual camera like a film V-series, this is as close as you’re going to get in the digital world. Put it this way: if exposed properly, it rarely clips. Well, there’d be two reasons to include it. If even they recognise Mr Ming Thein’s talent, it should serve as a green light for conservative Japanese fellows). I personally think the 4:3 aspect give you a bit more headroom, but it’s less conducive to previsualizing cinematic. However, the digital sensor is a 645 aspect ratio: in order to shoot verticals, you need one of the 90 degree prisms and a grip, or a tripod. It’s also worth noting that the CFV-39 has no microlens array over its sensor; this means that its light gathering ability isn’t quite as good as the other cameras. *brrrrr* Speedy recovery! 6.02 in. As a system, the Pentax 645 debuted in the mid 1980s as a medium format, 6 x 4.5cm film camera. Samyang 24 TS? Factors such as the optical elements, low pass filter, pixel size and sensor technology also affects the final resolution of the captured image. In this section, We are going to illustrate Pentax 645D and Pentax 645Z side-by-side from the … So, enjoy it while it lasts , Hi Ming: I really enjoy your site, and the work is top notch. They vary quite a lot. Focusing was accomplished through live view (where possible) or picking the best of repeated iterations (CFV). In my experience, I actually feel cramped going to a 1.33:1 ratio for the same EFOV compared to a 1.5:1 ratio. ISO 800 – and remarkably little hue shift or noise in this zone, even for the CFV. Hi Ming Thein, My guess about the difference in feel between 35mm and 645 wide angle is due to telecentricity. I own an S and have owned an S2 and while, in my opinion, the S is improved in many ways over the S2, in terms of IQ, the differences are marginal, as you would expect – dynamic range is slightly better, as is colour rendering but that’s really about it in terms of meaningful and obvious differences.
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