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02-14-2008, 10:06 PM   #1
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50mm f/1.2, CV 58mm, Zeiss 50mm f/1.4

If you could only have just ONE (and judging by a few people on this forum that might be unrealistic), which one would you pick? Let's say I'm not a pixel peeper, and I'm obviously not looking at it from cost/value/practicality as I would get the FA 50mm 1.4. Tops would be handling, build quality, resale, and to steal Sean Carpenter's phrase, the "romance of the fast glass."

I'm leaning towards the 50mm 1.2, but images I've seen from the CV makes it very tempting.

Also, does anyone know if the 1.2 is still in production? I'm curious because of the NIB I see from a certain vendor on that evil auction site. (OT: the evil auction site that recently removed "Used" from the available choices when searching for camera gear.)

02-14-2008, 10:15 PM   #2
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No brainer, go for A 50mm f1.2

There are subtle differences between the two lenses. I personally like bokeh from pentax version better than zeiss 50mm f1.4
02-14-2008, 10:16 PM   #3
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id rather say i have the only pentax made f1.2 lens than boast ownership of a carl ziess
02-14-2008, 10:26 PM   #4
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Only Pentax made an f1.2? Doesn't N*kon have their own 50/1.2? Just wondering...

02-14-2008, 10:27 PM   #5
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QuoteOriginally posted by leadbelly Quote
Only Pentax made an f1.2? Doesn't N*kon have their own 50/1.2? Just wondering...
no, pentax made only one f1.2 lens for pentax, far as i know


canon and nikon have access to a greater selection of fast lenses, 1.2 included... and even 0.95...


02-15-2008, 05:11 AM   #6
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Okay, does anyone have opinions on IQ re: A v. K 1.2s? Any differences?

Just wonderin'............
02-15-2008, 05:22 AM   #7
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I don't have the "A"

QuoteOriginally posted by John Kovarik Quote
Okay, does anyone have opinions on IQ re: A v. K 1.2s? Any differences?

Just wonderin'............
But here is a sampling of what the K 50 F1.2 can do
https://www.pentaxforums.com/forums/post-your-photos/3052-you-allowed-fall-love-lens.html

NaCl(I love my "fast 50's" )H2O
02-15-2008, 06:59 AM   #8
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Very nice...........thanks.

02-15-2008, 07:37 AM   #9
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QuoteOriginally posted by John Kovarik Quote
Okay, does anyone have opinions on IQ re: A v. K 1.2s? Any differences?

Just wonderin'............
Here's some comments on the A/K 50mm 1.2 if you haven't seen them.

Brief Comments
02-15-2008, 07:47 AM   #10
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QuoteOriginally posted by NaClH2O Quote
But here is a sampling of what the K 50 F1.2 can do
https://www.pentaxforums.com/forums/post-your-photos/3052-you-allowed-fall-love-lens.html

NaCl(I love my "fast 50's" )H2O
Wow, thanks for the link. I realize it's web resolution, but what softness that everybody keeps commenting on? Great examples! And where those hand-held BTW? So you had to get focus, stop-down, maintain focus, and then get the shot?
02-15-2008, 07:58 AM   #11
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[Sorry, newbie alert... I just discovered the multi-quote feature; will stop spamming the thread now.]

QuoteOriginally posted by roentarre Quote
No brainer, go for A 50mm f1.2

There are subtle differences between the two lenses. I personally like bokeh from pentax version better than zeiss 50mm f1.4
The Zeiss has great performance in the corners, from what I see in the Reid review. It's also very contrasty. And I also like the look of the examples you posted of the CV 58mm.

QuoteOriginally posted by Gooshin Quote
id rather say i have the only pentax made f1.2 lens than boast ownership of a carl ziess
Part of the danger of the forums is that you see all these great examples of shots from a certain lens, and you start thinking you could do the same if only you had the lens. But just to own a such a finely crafted piece of gear, that I can justify...
02-15-2008, 10:01 AM   #12
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Thanks, I had not seen those comments......and hadn't know of the difference in blade numbers.
02-15-2008, 10:26 AM   #13
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QuoteOriginally posted by twinda1 Quote
Wow, thanks for the link. I realize it's web resolution, but what softness that everybody keeps commenting on? Great examples! And where those hand-held BTW? So you had to get focus, stop-down, maintain focus, and then get the shot?
I've heard about this "softness" but I haven't seen it for myself. And yes, all those shots were hand held. It's not as onerous a process as it seems. Focus, hit the AE-L (DS) or the "Green button" (K10D) the camera calculates a shutter speed (and displays it in the VF) if the shutter speed is OK (and after a while you get so that you don't need to change aperture) take your shot. I'm sure the other manual shooters here will agree that it barely takes a half second longer, if that. Changing aperture is only slightly more difficult than on an 'auto' lens your hand is near the aperture ring anyway, so rotate the ring the way you want, hit the AE-L/Green button again and you're set. You can usually get off at least 1 shot per second if you don't have to change your aperture.

NaCl(but don't tell anybody, the manual lenses are still LOTS cheaper cause everybody thinks they are a lot of work)H2O
02-15-2008, 02:47 PM   #14
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I think the issue with A/K 50mm f1.2 is its ultra thin depth of field. In dark lit situation, it is just too hard to find a point of focus manually and depth of field is so small that nothing would not be sharp.

Unless a subject has flat nose, cheek, eye sockets, everything would appear to be quite blurred shot wide open.

A 50 f1.2 sample shots




The following shot is still shot about 5 times at f1.2; the photos would be "sharper" if the subject has more surface area parallel to the camera shot wide open.

02-17-2008, 07:53 AM   #15
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Thanks for replies, everyone. In a fit of madness (and a few clicks of the mouse), the 50mm 1.2 is mine... !
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