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03-13-2011, 06:33 PM   #1
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Zeiss lenses on an LX?

Hi,

I was looking at the Zeiss 50mm F2 Macro ZK lens and saw this in the description at B&H:

QuoteQuote:
Now offered as a "ZK" lens, for Pentax K-mount cameras. This lens will fully support Program mode, Aperture Priority, Shutter Priority, and full Manual modes with any K-type camera introduced after 1998 (e.g. PZ, MZ, ZX, and all digital SLR cameras).
Apologies for the newbie question, but what changed in 1998? Why wouldn't this work on the LX? It has an aperture ring, it's manual focus, so that's not the issue.

Thanks,

Mark

03-13-2011, 07:04 PM   #2
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That is a strange statement indeed!

The ZK lenses should work on all Pentax K-mount cameras in all supported modes. The only thing they don't do is auto-focus. The full compatibility matrix is available on the Zeiss Web site:
Welcome to Carl Zeiss Camera Lenses

Steve
03-13-2011, 07:32 PM   #3
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Thanks Steve. In reading the chart you linked to, I think (reading the B&H blurb) they just mean that it won't support ALL of those modes on older models. Looks like it will work fine in manual with auto aperture on the LX>
03-13-2011, 08:02 PM   #4
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Pentax LX does not have Program mode and Shutter Priority mode - I guess that's what they mean. Using Zeiss any other lens on LX you will have to set aperture using aperture ring. With newer bodies you can set Zeiss ZK aperture ring to A and let the camera body to control aperture. Bottom line - ZK lens is perfectly fine for LX, just like Pentax-A lenses.

03-13-2011, 09:46 PM   #5
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QuoteOriginally posted by markolw Quote
Thanks Steve. In reading the chart you linked to, I think (reading the B&H blurb) they just mean that it won't support ALL of those modes on older models. Looks like it will work fine in manual with auto aperture on the LX>
It still doesn't make sense though. The A series mount with electric contacts to support Sv and Program modes has been available since the mid-1980s. I am not sure what happened in 1998!


Steve
03-14-2011, 03:58 AM - 1 Like   #6
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1998, probably that is when the marketeer left high school
03-14-2011, 06:30 AM   #7
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Might be when the crippled K-mount came out. Don't care enough to look it up, though.
03-14-2011, 06:35 AM   #8
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QuoteOriginally posted by titrisol Quote
1998, probably that is when the marketeer left high school
many truthful words has been spoken in jest.

there won't be any issues with these lenses on an older film body.

03-14-2011, 06:36 AM   #9
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"1998" might have something to do with the fact that in 1997 Asahi discontinued LX and K1000 - two most famous Pentax cameras that were unable to control lens aperture from camera body and work in Shutter Priority mode.
03-14-2011, 06:57 AM   #10
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Yep, here is from Wiki:
"Asahi Optical attempted to discontinue the K1000 several times over the years, but its continued good sales sustained it. Production was not ended until 1997 when manufacturing costs of its older design and supply of its mechanical and electronic parts (especially precision analogue microgalvanometers for the light meter) finally became untenable. It was replaced by the highly computerized Pentax ZX-M (in the USA, called MZ-M in the rest of the world) in 1998."

Looks like K1000 is the only Pentax film camera marketeer was aware of, so he went to Wiki to check when it was replaced with more advanced camera.
Well, Pentax is conservative company, but not that conservative.

Just out of curiosity I contacted B&H about that statement and what is so special about Pentax cameras since 1998. They have no idea.
03-14-2011, 07:05 AM   #11
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QuoteOriginally posted by Foma Quote
"1998" might have something to do with the fact that in 1997 Asahi discontinued LX and K1000 - two most famous Pentax cameras that were unable to control lens aperture from camera body and work in Shutter Priority mode.
The LX was produced through 2001.
LX(lateversion)
03-14-2011, 07:24 AM   #12
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QuoteOriginally posted by markolw Quote
The LX was produced through 2001.
LX*(late*version)
The LX was officially in series production from 1980 to 1997, but there was also a commemorative Y2K set issued in 2000 with a stylized "2000" emblazoned on the front of the top plate n to the LX, and on the front ring of the matching 50mm f/1.2 Pentax lens. Limited editions in black-finished titanium and gold were also offered, the latter with crocodile leather coverings on the body and the focusing ring of the lens. The last of these limited production LX's was manufactured in 2001.



If Pentax would produce "LX 2020" - I would buy it
03-14-2011, 09:05 PM   #13
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QuoteOriginally posted by Foma Quote
The LX was officially in series production from 1980 to 1997, but there was also a commemorative Y2K set issued in 2000 with a stylized "2000" emblazoned on the front of the top plate n to the LX, and on the front ring of the matching 50mm f/1.2 Pentax lens. Limited editions in black-finished titanium and gold were also offered, the latter with crocodile leather coverings on the body and the focusing ring of the lens. The last of these limited production LX's was manufactured in 2001.



If Pentax would produce "LX 2020" - I would buy it
You and Adorama may well be correct, though that is in direct opposition to Bojidar:
LX(lateversion)
...and as we all know, Bojidar is pretty much the last word for K-mount bodies and accessories.


Steve
03-27-2011, 09:03 AM   #14
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I photograph with Pentax LX and Zeiss ZK. Was out taking pictures
with my Distagon 35 yesterday. So Zeiss on LX works fine!
03-28-2011, 06:56 AM   #15
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Funny, when I saw this thread title I thought it was about using the Contax mount lenses on Pentax--which is something I am looking into.
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