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Pentax 645z Rumored To Be Announced Monday, Including CMOS and 4K

By Anthony Thurston on April 12th 2014

Well, it appears that EVERYONE in the medium format world is taking advantage of the new Sony MF CMOS sensor. According to a rumor over on Photo Rumors, Pentax will be announcing their new 645z medium format body on Monday, and – you guessed it – it will feature a CMOS sensor and 4K video recording.



Probably the most interesting thing about this rumor to me, is the price. According to the Photo Rumors report, this new Pentax 654z will be available for just $8,500, which would make it the cheapest medium format offering on the market. $8,500, while still more expensive than most of us would care to spend, is actually quite doable for those who need a MF sensor.

[REWIND: Sigma 50mm F/1.4 DG HSM Art Lens Unboxing and Initial Thoughts]


Pentax continues to push the limits on “affordable” medium format options, and I, for one, am happy to see it. Who knows, maybe in 5 or 10 years we could have quality MF bodies as cheap  $3,000, and then the debate will no longer be Crop vs. Full frame, but Full Frame vs. Medium Format.

Stay tuned and come Monday we will bring you the latest on this new Pentax 645z.

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Anthony Thurston is a photographer based in the Salem, Oregon area specializing in Boudoir. He recently started a new project, Fiercely Boudoir to help support the growing boudoir community. Find him over on Instagram. You may also connect with him via Email.

Q&A Discussions

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  1. Stan Rogers

    “Mirrorless”? I think, perhaps, that somebody’s fingers are a little too used to typing that word. If the rumoured price is anything close to right (plus or minus, say, a couple of kilobucks, since this comes in under their current CCD body), that’s an incredible deal. The only downside would be that Pentax’s entire stable of 645 lenses are straight-through; if the new body has the electrics for leaf shutters and a couple of strategic lenses make their way onto the market (or even onto a forecast sheet) they could make a HUGE splash. (Phase One has hinted at enabling video on the IQ250 when paired with their upcoming body as well, but just in an “if we do it, it will be because we can do it up to our standards” kind of way.) The fixed “back” has always been Pentax’s Achilles heel in the MF market, and focal-plane-only hasn’t helped, but ISO 6400 is clean, clean, clean on both the Hasselblad and Phase One implementation of this sensor, so there’s no reason to expect anything less from Pentax, and you can’t argue with the price. And I really want to see what the “next frame” speed will be; if you can squeeze off a second shot in half a second (2+ FPS for three frames would be killer), this can change a lot of things.

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    • Stan Rogers

      The typo was quickly fixed, and I wish I could edit its pointing-out out of my previous comment now. (It’s exactly the sort of mistake I make about twice an hour on average.) And who knows? Maybe mirrorless digital MF isn’t so very far away.

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