1.07% larger sensor? I’d say the 645Z’s higher 25k and 51k sensitivities can be used if you don’t mind downsizing. The Canon seems to suffer more out of gamut issues than either the Epson or HP. Both the equivalent models (44′, 12 inks) from the other two big companies?? First you knock peoples states as above. Comparison of Pentax 645Z (51.4MP) and Pentax 645D (40MP) on sensor size (55mm diagonals), pixel pitch, pixel density and more. ... 645D vs 645Z. I know for a fact that my custom profile for all of these cameras will be more like the latter. Thanks. Noise 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. But will such an adapter actually work the leaf shutter in a V lens (I’m guessing not). I just think it would be interesting to see the two mediums side-by-side. 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. Thanks for the reply Ming really appreciate! 4:3 is definitely better for portraits – the extra horizontal room is more flattering to the subject, for starters…, All the best to your wife – sorry to hear/read about her catching dengue fever…. You are a bit full of yourself. Again, I emphasize that you should go by what I say, not the small web jpegs. In this section, We are going to illustrate Pentax 645D and Pentax 645Z side-by-side from the front, back and top in their relative dimensions. While it shares its sensor with the Phase One IQ250 and Hasselblad H5Dc, it retails at less than a third of the price of these (~8500 at ~27000 USD). Hasselblad has the clunky Flexbody and somewhat less clunky Arcbody, but operation of both with digital backs is fraught with risk as you must remove the digital back to focus and frame between every exposure. As for the sync speed, yes 1/125th is a bummer but I may have found a possible solution: One being http://www.priolite.com their strobes allow for sync speeds all the way to the max for the 645z. I found an adapter Zork, but I don’t know whether it will work properly. There’s a definite difference in the way the Zeiss 2.8/21 renders on the D800E as opposed to the Pentax 25/4 on the 645Z – even though the Pentax is actually wider at an equivalent 19mm horizontal field of view, it doesn’t feel as wide as the Zeiss. I’d say there’s at least a stop more dynamic range in there, perhaps slightly more than that. The back operates independently from the rest of the camera. In comparison, if you need another Hasselblad V body, you can probably find a nice one for about $800 – including a film back, waist level finder, and possibly an 80mm lens, too – they tend to go as kits. film 645s are portrait because of the way 120 film is wound. The difference is seen mostly at normal angles of view and below: it’s difficult to describe exactly, but wides look wide. All cameras were shot raw and processed through ACR CS5.5, because this is what I normally use in my workflow. Unfortunately, I can only agree with you – and I’d be right beside you at those very gates…!! While you may not see much resolution difference, depending upon printed output size, you are likely to see better colour capture from a scanner. 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). I’m with you here 100%. But this has been the way for as long as I can remember in this industry, and more so when we’re dealing with very niche products. Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. From the ultimate image quality shootout. A best attempt at matching DOF was made – f5.6 for the Nikon, f8 for the Pentaxes, and f11 for the Hasselblad; sufficient for the lenses to be in their optimum zones, but not so much as to make diffraction come into play. Great article as usual, Ming. I think there are two deciding factors here: firstly, whether you’re going to use it in studio or with available light, and secondly, the rendering. Not really; it’s more of a personal preference for that focal length/ field of view. So, if I’m stating the obvious – why does it ‘just sucks?’. I’ve just sold my 645d with all my lenses and was turning towards the nikon. None of these bodies have sensor based image stabilization so you have to buy lenses with Optical stabilization feature. inside the V-P645 adaptor’s volume. And Canon should announce a 5DSR successor soon as well, … Related: pentax 645d medium format digital camera pentax 645n pentax 645nii pentax 645 lens gfx 50s pentax 645z lens gfx 50r fujifilm gfx 50r phase one pentax 67 fuji gfx. Dynamic range Beyond that, the CFV starts to fall apart at IS0 400, and earlier in the deep shadows – notice how quickly luminance noise starts to set in. Gary. Subjectively, this is somewhat different to my observations under more neutral white balance; the 645Z has a bit of an edge over the D800E in those situations – by as much as a stop. Different tool, different purpose. !#3 is stone-cold awesome. I hope she has a speedy recovery. Our ‘lowest’ resolution camera here weighs in at 36MP; the highest, 51. Speaking of rides, is the 458 in this shot actually orange? Considering this, it’s not far-fetched to imagine them dismissing a random photographer hailing from a random South Asian country (nevermind that he’s actually well respected in the community and was even featured on Zeiss’ website – aren’t the Japanese said to have a fetish for German engineering? I think your 645Z pricing is off though – Bic has it listed at 799k, not 470k…470 would put it only a bit above the D810. Truthfully it has made it harder to justify the expense of a CFV but at the same time… I want one anyway. The problem with the Hasselblad CFV-39 is that you can’t really find or buy it new today. I used the default Adobe conversion without custom profiling. The CFV is actually going to a site regular where I know it’ll be in good hands and well used . The Schneider isn’t easily available, and frankly after trying the 50 and 90mm – I don’t have a lot of confidence in it. 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. 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…. Top stuff, have you bothered sleeping in between receiving the 645Z and this review . On top of that, the camera itself (and the back, styled to match the chrome body) is a work of art – unfortunately, I can’t say the same about the 645Z or D800E; at best they are ‘functional’; quite frankly, the 645Z’s external design is something only its engineers could love. I know they fit on the 645Z, but I wasn’t able to find someone who tested them. Great to see some good information coming out on this new camera. I also profile up front, but it’s just something I don’t understand, why companies have such different perception of colour. The old-fashioned guys dealing with their customer base the old-fashioned way (e.g. Sorry to hear of the dengue fever. In fact, a 645Z file downsized to match my D4 blows it out of the water in noise, acuity and dynamic range – by more than two stops. I know it is different altogether but I am concerned about mirror vibration issues at those lengths, plus the Sony will give me better AF for that range where I am most likely to use it. For the last year or so I am finding myself printing images (poster size or larger) with much more frequency for my clients. The 645Z still retains the image quality title by some margin. But when you’re getting to the point of severe hair-splitting and diminishing returns, an example can’t hurt. First of all, many thanks for this wonderful review series of 645Z and its comparison to others; and of course your valuable time. Pentax 645Z. Others may think any noise at the pixel level is unforgivable, so they go with an A7S (and lose out on the difference in rendering). Thanks for a very thoughtful review. Depends on what kind of a house you want. 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. How much better is the D810 than the D800e? 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. Thanks for the comparisons, Ming! Now lets look at the top view comparison of Pentax 645D and Pentax 645Z. Hi Ming. I didn’t ‘knock anybody’s states’, I’m stating a fact I was told point blank by Nikon here that they’d prefer to work with somebody US or Japanese. What a read! It’s easy to see why the D800E has been making serious conquests over both documentary and studio professionals – I deploy mine under both situations to equal effect. […], […] least it is a bit of a toss up depending (can't separate noise from sharpness). At that price you might as well buy a PhaseOne if you live in areas where it’s carried. The CCD cameras lose dynamic range very quickly as sensitivity rises; basically, one stop for every one stop gain in ISO. PENTAX 645Z + smc PENTAX-FA645 45-85mm F4.5 @ 45mm, ISO 100, 1/15, f/11.0 Overview and Sensor Size Comparison. . Both cameras have Medium format sensors but Pentax 645D has a 40.0 MP and Pentax 645Z has a 51.0 MP resolution. If you only have the budget or weight/ space allocation for one system, I have to say go with Nikon – it’s the most flexible and will let you do probably 99% of what the others can. Although I don’t own one, I feel a greater affection to my manual, analogue cameras than to any modern digital one. Just one small note… in the first image of the camera line up, the Z and the D cameras seem to be the other way around. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with a medium format sensor. is all I can muster. Find out where the D850 wins! 19/21/25mm: yes, I think it’s partially down to the format, and partially down to the geometric projection; I assume this has something to do with both lens design and focal length, which is why some wides appear wider than others (stretching at edges). Agreed on the D800E/810, which is why I have two of the former as my workhorses. I won’t be uploading any full size files – there’s no point. , 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. Were you expecting a much larger gap in IQ or visual impact between the systems? And unfortunately, you are right about the price: it will be sky high. And that’s before we even begin to talk about image quality. Thanks, I felt myself thinking that as I was reading. 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. With adapters such as the Hasselblad V to Pentax 645, I realise that everything is manual. Pentax 645D and Pentax 645Z have the same Pentax 645AF2 lens mount and currently there are 6 native lenses available for these cameras. Ming, in this day and age of advanced CMOS I’m still a bit of a sucker for the V. So, thank you for this comparison. Do not need high pixel density, sufficient for a 30 Mpx after resampling. You’re going to be using both of these on a tripod anyway, so stability is a non-issue for the most part. You have mentioned shooting with Hasselblad lenses on the 645z, which adaptor did you use? Thank you, Ming, for doing all this while your wife is in hospital. 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. 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. All rights reserved. Thank you for your advice Gordon. feel much the same as the D800E: effectively instant. Not sure if this is the appropriate blog post in which to post this ( if not Ming can move it to one of his earlier blog posts ) but I thought the info in the following write-up might be of interest in that it adds some interesting info to the discussion and also supports much of what Ming has been saying about medium format compared to smaller imaging systems: Guide to second hand medium format digital backs: http://www.ludd.ltu.se/~torger/photography/mfdb-guide.html. Ignore the slightly different focal planes/ depths of field. Image quality is better in some areas, a little worse in others (noise). 6.14 in. Skip the cameras, I want the car. I think the CVF-39 comes off the hardest to make a call on after this comparison. You needed to wait at least 3 seconds per shot for the buffer to clear on the 645D before being able to view an image; even menus were a bit laggy. Sure does put things into perspective given my whining about UK import duty. The great news is the low four-digit price, undercutting Hasselblad, Mamiya and Leica by tens of thousands of dollars. Have a nice day. 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. The Nikon D800E is available here (B&H, Amazon). Who would possible feel compelled to send rude, demanding, abusive emails! But how much then…..personal preference if worth to pay 1 1/2 times more….overall i think the d810 is still the much better, mature system for the majortiy of enthusiast amateurs more flexibility, better faster/snappier af, broader & wider lens selection (ultra wide angle, tele, standard zooms and let alone t&s lens not any pentax one avaiable…., flashes, flash sync, shutter speed arguments for the d810 as well)! I bought the 645Z some time ago. That’s the. Here is a brief look at the main features of Pentax 645D and Pentax 645Z before getting into our more detailed comparison. My D800E and 501CM/CFV viewfinders and focusing screens have been adjusted for perfect manual focus planarity; the Pentax 645s have not – the loaner 645D is noticeably off, and my own 645Z is almost perfect (but out by a hair, I think). I’ve had it twice. If you’re looking for something – might I suggest a search? For portraiture, fashion, reportage/ documentary, travel, landscape etc – pick your poison. 4.61 in. 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. Fast, accurate 27-point autofocus system. Also, the CCD cameras will punish underexposure and post-processing recovery quite badly with noise and colour shifts in the shadows; this penalty doesn’t seem to be anywhere near as harsh with the CMOS cameras. I covered that already in the D810 review here: https://blog.mingthein.com/2014/07/29/nikon-d810-vs-d800e-to-upgrade-or-not/. 6.14 in. Available colors: Editiorial reviews ... Pentax 645D. Stunning Photography and a well written review. However, the new Pentax SDM lenses are all on par or better – the 55/2.8 is slightly sharper than the 4/50 FLE, which suffers from some focus shift as a consequence of the FLE group; the 90/2.8 SR blows the 2.8/80 out of the water, and is slightly better than the 4/120 Makro-Planar all over. ;) Ideal samples showing the capabilities of the resolution monsters (as well as of you!!!!) user guides, manuals), as well as related accessories, can be found on the official Nikon and Pentax websites. Too bad they never made use of the extra image circle over the crop factor to offer camera movements. You can see all of the cameras starting to block up slightly, the D800E appears to be handling this slightly better than the other cameras. Haptically, none of these cameras are bad choices: they’re all mature, evolved designs. The 645D has a resolution of 39.5 megapixels, whereas the 645Z provides 51.1 MP. | Medium format (44 x 33 mm) CMOS Sensor. Since both Pentax 645D and Pentax 645Z have the same Pentax 645AF2 lens mount and Medium format sized sensors, lenses will not be a differentiator on total size of the system. ;) So HK / Kai Wong is calling….;). reframing the world one picture at a time. 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……. Us CFV-50 my whining about UK import duty and one of the images which are divided four... It at two, maybe three sensitivities, plus all the saturation crazed processing style commonly seen him. 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