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Archive 2010 · Where are the Pentax 645 lenses?

TooManyShots
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p.1 #1 · p.1 #1 · Where are the Pentax 645 lenses?

I have been doing a lot of research on choosing the right film medium format system for me. I like the Pentax 645 system, almost like a good transition from a 35mm system. Can be had for a lot lesser than other medium format system with the same "add-ons" included. Unfortunately, I am having a hard time finding lenses for the system. Keh.com has none. Adorama has none. BH has one only and it is a zoom. Am I missing something about the Pentax 645 system?

Dec 28, 2010 at 04:30 PM

Tariq Gibran
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p.1 #2 · p.1 #2 · Where are the Pentax 645 lenses?

All the used lenses were bought up leading up to the introduction of the Pentax 645D. When you do find them, the prices will likely be high for the best lenses.

Dec 28, 2010 at 04:48 PM

RamónT
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p.1 #3 · p.1 #3 · Where are the Pentax 645 lenses?

Here:

http://i.pbase.com/o6/50/276250/1/131454149.fesl0Egd.PC267972r.jpg

I have the lenses but not the funds (for now) to buy the 645D!

Ramón

Dec 28, 2010 at 08:12 PM

sirimiri
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p.1 #4 · p.1 #4 · Where are the Pentax 645 lenses?

I agree with Tariq. At one point, say two years ago, you couldn't swing a digital cat in KEH's cyberspace P645 lensroom, without (virtually) knocking over a clutch of the FA lenses...excepting the FA 35mm f/3.5 lenses which probably spent a few hours in stock before rushing back out the door to new owners.

The 645NII is loud, very plastic-ky, has a slow max shutter of 1/1000 (forcing you to use ND filters or stop down in bright light over ISO 100-ish), no interchangeable backs, and you need to line your eye up right otherwise the VF cuts off.

The plusses are/were: great AF, simple yet reliable metering, very easy operation, mellow mirror slap, good battery life, well-performing body and lens system for the cost of what they sold as new.

Ramón, tío... I think he's talking about the FA lenses mostly, because the 645 A lenses are usually found at KEH and the others; it's the FA stuff that's gone *poof*

I can't quite tell, but is that the 300 FA *ED + @ :-) lens or the 400mm FA? Ineither event, how do you find it?

Dec 28, 2010 at 11:19 PM

AhamB
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p.1 #5 · p.1 #5 · Where are the Pentax 645 lenses?

sirimiri wrote:
Ramón, tío... I think he's talking about the FA lenses mostly, because the 645 A lenses are usually found at KEH and the others; it's the FA stuff that's gone *poof*

KEH doesn't have a single P645 lens atm. They had a couple of A lenses, but they're all gone too now. The whole lenses category is missing.

Dec 29, 2010 at 07:22 AM

Alf Beharie
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p.1 #6 · p.1 #6 · Where are the Pentax 645 lenses?

TooManyShots wrote:
Where are the Pentax 645 lenses?

Have'nt seen many about but I've seen plenty P67 lenses...Had a P67 45mm f4 for a few days its was shockingly poor. Very soft indeed, so I returned it ASAP.
I can only hope the P645 lenses are better.
Personally, I'd stick to Mamiya 645 lenses

Dec 29, 2010 at 08:38 AM

sirimiri
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p.1 #7 · p.1 #7 · Where are the Pentax 645 lenses?

Aham, that's odd. I count three 645 A lenses right now, and last week they had about 10 P645 lenses, two of which I seem to recall were FA lenses.

But, who knows? Somebody might have bought themselves a bunch of A and FA lenses for Christmas, and what is shown now might be a glitch, either what you saw (zero) or what I see (three).

I have seen that happen a few times, when there is perhaps an inventory database update; whole categories disappear, only to resurface half an hour later...and filled up, again, with the items from a previous "glance" earlier on any given day.

Dec 29, 2010 at 09:50 AM

AhamB
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p.1 #8 · p.1 #8 · Where are the Pentax 645 lenses?

There's only two A lenses now.

Maybe they just move that quickly? Diglloyd's comments on the A 75/2.8 (being much superior to the new 55/2.8) may have contributed a bit to the attention that these lenses get.

Dec 29, 2010 at 02:48 PM

surfotog
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p.1 #9 · p.1 #9 · Where are the Pentax 645 lenses?

Alf,

Sample variation seems to have been a problem with the 45/4. My first two copies of the 45/4 were OK in the center but very soft in the corners. Third time was a charm as my current 45/4 is plenty sharp, even in the corners. Ironically it was also the cheapest, costing a bit over $200 at Shutterblade on ebay.
I generally only buy my 67 lenses from sources that have a trial period that allows me to test them and return sub-par copies.

Dec 29, 2010 at 02:59 PM

RamónT
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p.1 #10 · p.1 #10 · Where are the Pentax 645 lenses?

sirimiri wrote:
I agree with Tariq. At one point, say two years ago, you couldn't swing a digital cat in KEH's cyberspace P645 lensroom, without (virtually) knocking over a clutch of the FA lenses...excepting the FA 35mm f/3.5 lenses which probably spent a few hours in stock before rushing back out the door to new owners.

The 645NII is loud, very plastic-ky, has a slow max shutter of 1/1000 (forcing you to use ND filters or stop down in bright light over ISO 100-ish), no interchangeable backs, and you need to line your eye up right otherwise the VF cuts off.

The plusses are/were:...Show more →

It is the 300mm f4 FA ED-IF. I have used the 645 system since 1990 to 2003. In the picture there are four FA lenses (35mm, 45-85mm, 150mm, 300mm) and the A 45mm, 75mm, 120 macro and 200mm. The 600mm f5.6 ED-IF A is the only version of this focal length. The longest FA lens is the FA 400mm f5.6 I think.

I have two NIB 35FA for sale, also an used A 300mm F4 ED-IF and more nice lenses like a NIB Voigtlander apo-Lanthar 125mm f2.5 macro NIK mount or the rare original FD-EOS converter (NIB). Maybe I will suscribe the FM Buy&Sell forum to sell the lenses here.

Ramón

Dec 29, 2010 at 05:24 PM

RamónT
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p.1 #11 · p.1 #11 · Where are the Pentax 645 lenses?

The Pentax 645D-35mm FOV equivalence table actualized with the new 25mm:

http://i.pbase.com/o6/50/276250/1/124042570.xROLJDMY.PENTAX645EQ9.jpg

Ramón

Dec 31, 2010 at 01:25 PM

yurihuta
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p.1 #12 · p.1 #12 · Where are the Pentax 645 lenses?

As some others have mentioned, there was a feeding frenzy right after the 645D was announced and here in the US it went even crazier after it was announced that the 645D would hit the US market.

I bought up a bunch of lenses in the last couple of years and sold off about 2/3 of them in the last two months. I am just left with:
FA 33-55mm
A 55mm
FA 75mm
A 75mm LS
FA 150mm

Jan 02, 2011 at 02:22 PM

rdcny
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p.1 #13 · p.1 #13 · Where are the Pentax 645 lenses?

Mamiya 7ii system...I had the Pentax 645ii - great camera but these days 35mm full-frame digital is at least as good...So I would switch to the rangefinder Mamiya. Great lenses that have dropped significantly in price.

rdc/nyc

Jan 02, 2011 at 03:48 PM

LightShow
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p.1 #14 · p.1 #14 · Where are the Pentax 645 lenses?

http://dc.watch.impress.co.jp/docs/news/20110209_425947.html
http://dc.watch.impress.co.jp/img/dcw/docs/425/947/011.jpg

Feb 11, 2011 at 04:23 PM

mstratil
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p.1 #15 · p.1 #15 · Where are the Pentax 645 lenses?

As a follow up on the suggestion of using Mamiya 645 lenses on the Pentax 645D, I wonder if such lenses can attach directly to the 645D or would an adapter be necessary. I have no prior experiences with MF and just bought a 645D, so the answer is not clear to me.

Jun 11, 2011 at 02:18 PM

Tariq Gibran
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p.1 #16 · p.1 #16 · Where are the Pentax 645 lenses?

mstratil wrote:
As a follow up on the suggestion of using Mamiya 645 lenses on the Pentax 645D, I wonder if such lenses can attach directly to the 645D or would an adapter be necessary. I have no prior experiences with MF and just bought a 645D, so the answer is not clear to me.

You will definitely require an adapter if this is possible though I don't see such an adapter after a quick search. I don't think it's possible because the Mamiya has a shorter flange distance than the Pentax.

Jun 11, 2011 at 02:27 PM

mstratil
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p.1 #17 · p.1 #17 · Where are the Pentax 645 lenses?

Thanks, Tariq.

Mike

Jun 11, 2011 at 03:05 PM

Tariq Gibran
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p.1 #18 · p.1 #18 · Where are the Pentax 645 lenses?

mstratil wrote:
Thanks, Tariq.

Mike

Your welcome. Plenty of other lenses can be adapted including those from Hasselblad and the Pentax 67 lenses with readily available adapters.

Jun 11, 2011 at 03:13 PM

mstratil
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p.1 #19 · p.1 #19 · Where are the Pentax 645 lenses?

Tariq,

I have looked into this a bit and was told that trying to use Hasselblad lenses is problematic because they won't meter properly on the 645D. Is that true?

Also, does this applyl to adapting Pentax 67 lenses? I don't mind giving up AF but I don't want any other problems.

Jun 13, 2011 at 11:50 AM

mawz
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p.1 #20 · p.1 #20 · Where are the Pentax 645 lenses?

Pentax 67 lenses are fully functional on the 645D if you're using the Pentax adapter. The only thing you lose is the ability to set aperture from the body IIRC (there is no A setting on 67 lenses)

Jun 13, 2011 at 12:20 PM

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