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04-03-2021, 05:52 AM   #1
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645Z Lenses

If I had a brand new 645Z, what legacy lenses could I use? Such information can be difficult to find.

Thank you in advance and sorry for the dumb question.

04-03-2021, 06:40 AM - 1 Like   #2
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QuoteOriginally posted by birdman59 Quote
If I had a brand new 645Z, what legacy lenses could I use? Such information can be difficult to find.

Thank you in advance and sorry for the dumb question.
That may be because the answer is too simple to believe: All 645 lenses and all 67/6x7 lenses with an adapter can be used. Mind now that some will only be usable manually, and some may be less optically ideal than others, but these all fit and fill the'Z's focal plane. Light reading of the medium format forum's last two years of threads may flesh out this topic further.

Adapters also exist for certain ex-Soviet lens assemblies, such as some Arsat lenses. I believe other European lenses may have adapters, but I am less informed about them.
04-03-2021, 06:55 AM - 1 Like   #3
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QuoteOriginally posted by birdman59 Quote
If I had a brand new 645Z, what legacy lenses could I use? Such information can be difficult to find.

Thank you in advance and sorry for the dumb question.
Not a dumb question at all. Every Pentax 645 lens will work. All of the Pentax 67 lenses work with an adapter.

There are other lenses that work with adapters and stop down metering. Lenses designed for the Russian medium format cameras fit. Including Arsat 30mm fisheye and Carl Zeiss Jena 180mm F2.8 bokeh monster. Original Leica Visoflex and Bronica 67 PG lenses also fit.

Once you shoot the Z there is no going back!

Thanks,
barondla
04-03-2021, 07:27 AM - 1 Like   #4
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Go here also (right here on the forums)

Pentax 645 Medium Format Lenses - Pentax Lens Reviews & Lens Database

Very helpful user information here. Read carefully, though. At least one lens has gotten a bad average score because of a single poor (and maybe questionable) review. There are some better choices than others, and there's the A series (manual lenses), FA series (autofocus), the DA series (autofocus and designed for the D and Z's crop frame sensors---although one actually does cover FF) and the DFA series (autofocus, FF coverage, and weatherproof). A couple of these lenses have image stabilization.


Great sources for used lenses are KEH, Roberts Camera (Used Photo Pro), and right here on the Marketplace. I've gotten the majority of my lenses from these 3 sources. EBay is another obvious resource. New lenses are available from a variety of sources, including the usual suspects.


If you tell us what sort of things you shoot, we can give you our advice here on the kit you should build. FWIW, I've built up a collection of 15 lenses and 2 teleconverters, plus a K mount adapter enabling me to use all of these with my K1mkII. Only Pentax allows this in their system (and there's even an adapter for the 6x7 lenses).

04-03-2021, 08:24 AM   #5
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Oh my! The choices are endless as they say. I have manual, auto focus and SR lenses. 645, 6x7, and even the Carl Zeiss Jena 180 f2.8 bokeh monster. Definitely not a dumb question but be careful what you wish for, it's addictive

"Once you shoot the Z there is no going back!"

So true,

Thanks,
Ray
04-03-2021, 11:56 AM - 1 Like   #6
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Just my 2 cents,


If you do landscapes : 1) FA 33-55 mm f/4.5 AL zoom (around 600 $) 2) P67 75 mm f/2.8 (2200 $ and up though) 3) FA 150-300 mm f/5.6 zoom (around 400 $) and finally 4) FA 400 mm f/5.6 (around 600 $). All your bases are covered with these 4 lenses. Either the A or the FA 120 mm f/4 MACRO is worth investigating if you have an interest in close-up work.

If you pursue ultimate sharpness endeavors and have no financial limitations, you may prefer other lenses like the newest DFA 28-45 mm f/4.5 zoom, the DFA 35 mm f/3.5 HD, the DFA 55 mm f/2.8 or the DFA 90 mm f/2.8 HD. These are expensive but stellar 645 lenses. The same applies to huge telephotos like the 645 A 600 mm f/5.6 or the P67 M*400 mm f/4 lens.

In the P67 choices (used with a Pentax '67 to 645' adapter), check for the 55 mm f/4, of course the 75 mm f/2.8, the 105 mm f/2.4, the 165 mm f/2.8 and the M* 300 mm f/4 as well as for the 55-100 f/4.5 zoom.


You can't go wrong with almost any 645 or 67 lenses.


Regards

Last edited by RICHARD L.; 04-04-2021 at 04:56 AM.
04-03-2021, 10:06 PM   #7
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If you really have no financial limitations there is the 800mm F6.7. Big and sharp. The 800mm f/4 is just big.
04-04-2021, 01:56 PM - 1 Like   #8
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Save money building a kit with A lenses.
My fave budget lenses are A35, A120, and A80-160.

04-04-2021, 02:50 PM - 1 Like   #9
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QuoteOriginally posted by mikeSF Quote
Save money building a kit with A lenses.
My fave budget lenses are A35, A120, and A80-160.
They can all be had on Ebay from Japan in MINT+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ condition.

I don't think there are any for sale that actually are in North America.
04-04-2021, 05:40 PM - 1 Like   #10
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KEH shows a 645 35mm A series. Pentax 35mm F/3.5 SMC A Lens For Pentax 645 System {77} at KEH Camera.

And a FA 80-160 af lens here: Pentax 80-160mm F/4.5 SMC FA 2-Touch Lens For Pentax 645 System {77} at KEH Camera

The number of 645 used lenses has really declined since this time last year. Medium format is hot right now.

Thanks,
barondla
04-04-2021, 05:41 PM - 2 Likes   #11
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QuoteOriginally posted by Eric Auer Quote
They can all be had on Ebay from Japan in MINT+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ condition.

I don't think there are any for sale that actually are in North America.
And most of them arrive from Japan faster than they do when shipped from within the US in my experience. But do read descriptions, because sometimes they will say that the appearance is mint in the title but talk about fungus on the glass.
04-09-2021, 01:45 AM   #12
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QuoteOriginally posted by birdman59 Quote
If I had a brand new 645Z, what legacy lenses could I use? Such information can be difficult to find.
Thank you in advance and sorry for the dumb question.
Check out my timeline about Pentax 645-mount lenses:
Pentax 645-mount lenses timeline - please contribute - PentaxForums.com
Template:Pentax 645-mount lenses timeline - Wikipedia




Also you can see the 33 current, legacy and vintage lenses in the lens search:
Pentax 645 Lenses | PentaxForums.com

Last edited by angerdan; 04-09-2021 at 01:59 AM.
04-09-2021, 02:07 AM   #13
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I like the 28-45 and 45-85 a lot.
04-11-2021, 06:06 AM - 1 Like   #14
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It's true older A-series 645 lenses are not bad at all, only drawback is manual-focus, they offer automatic exposure in Av mode on the 645Z. Most are quite inexpensive.

A 45-85 mm f/4.5

A 80-160 mm f/4.5

A 120 mm f/4 MACRO

A 35 mm f/3.5

Last edited by RICHARD L.; 04-11-2021 at 12:16 PM.
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