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10-17-2012, 06:16 AM   #1
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Has anyone used A 50mm?

Doing my usual scouring of the internet for bargain lens prices. Ive come across a used SMC Pentax-A 50mm F1.2 lens for what I think is a reasonable price (I think)...Has anyone used an this or any other A Prime lens on the K-r? I guess if it takes garbage pictures why bother spending money on it.
Thanks for helping a new kid...
Josh



10-17-2012, 06:25 AM   #2
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I had an A 50mm 1.7, and it worked without issue on my K-r. You have to manually set the focal length when you turn the camera on (it automatically prompts you for it, and defaults to 50, so is not out of the way). My only issue was with manual focus, so I gave it to a friend who has working hands. He's upgrading from an M 50 1.7; A just saves that little extra bit of time.

They are optically superb lenses, and the colour rendition is very pleasing; quite different to my DA lenses. So if you're fine with manual focus, go for it. A lenses are great.
10-17-2012, 06:26 AM   #3
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Hi Josh,
If this is for real SMC Pentax A 50/1.2 - than it the fastest lens ever made by Pentax. It is a really good lens in terms of IQ. However the "problem" with this lens is focusing - it is quite difficult to focus precisely at f1.2 since DOF is very thin. But if you can manage that - it is amazing lens. You can find reviews here:
SMC Pentax-A 50mm F1.2 Reviews - A Prime Lenses - Pentax Lens Reviews & Lens Database

Also - be sure that it is nit A50/2 coz a lot of times people list this lens by mistake as 50/1.2.

Best regards,
Yuriy
10-17-2012, 06:32 AM   #4
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Yuriy, Let me toss the only photo I have of it on here for you. Then maybe you can give me more insight on it.

** Ive yet to buy it from the person, thats why I was looking for some help on the forums **


Last edited by jt1667; 01-06-2013 at 04:24 PM.
10-17-2012, 06:34 AM   #5
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That's an f/2 not f/1.2.

Just a heads up. This happens a lot.
10-17-2012, 06:40 AM   #6
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@calsan so with that being said is it a waste of time/money to buy it? Probably wasnt going to offer more than $40 (US) for it.
10-17-2012, 06:50 AM   #7
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Hi jt1667,
As said above it's a 50mm f/2, it's very common and very cheap (I wouldn't pay more than EUR 20 for one). If you look around a bit on the classifieds you'd be able to get a 50mm f/1.7 for a bit more money (EUR 40-50 maybe) but it's a faster and better lens. You might also look for used film bodies, people often sell them for next to nothing, with the lens attached to it!
The 50mm 1:1.2, however, is a very different lens, fairly rare, with a cult status and well worth EUR 400-500 (yep, you read right).
EDIT: oops, seeing that it's an "A" version, well maaaayyybe USD 40 would be an honest price.
Good luck
10-17-2012, 09:21 AM   #8
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QuoteOriginally posted by jt1667 Quote
@calsan so with that being said is it a waste of time/money to buy it? Probably wasnt going to offer more than $40 (US) for it.
See if you can't find the F1.7 version- it's must sharper. Check the lens reviews


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10-17-2012, 11:08 AM   #9
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I have the SMC-A 50mm/1.7. WONDERFUL lens kept when I sold my Super Program film body. If it wasn't just a tad too long on my K-r, it would still probably be the lens I kept mounted for 'grab and go' use. I have no objection to manual focus.
My 50mm does have a permanent home in my travel bag. If I find that I'm mostly shooting at the long end of my kit lens, I'll pop on my 50mm instead.
10-17-2012, 11:25 AM   #10
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I am a K-r user and recently picked up an A series 50 mm 1.7 lens. It is a great lens that I strongly recommend. I find it quite sharp and very easy to focus.
10-18-2012, 11:14 AM   #11
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I also have a pentax smc pentax-f 1:1.7 50mm which is a auto or manual focus and auto or manual f stop A series lens. very nice as a carry street lens focus is fast and accurate, thin dof at f1.7 but worth looking for and buying
10-21-2012, 04:12 PM   #12
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QuoteOriginally posted by Basset Quote
I am a K-r user and recently picked up an A series 50 mm 1.7 lens. It is a great lens that I strongly recommend. I find it quite sharp and very easy to focus.
I have a SMC A 50 f1.7 from my Super Program and love it in low light, much better than my SMC M 50 f2 from my ME Super.

Hans
10-21-2012, 04:52 PM   #13
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The lens you're looking at (A50/2) actually is not a bad lens, imo. Nice colors and pretty darn sharp at f/8 or so. $30-$40 is about the most I'd pay for one though. If you're not in a hurry, try to save up for the A50/1.7 - usually found around $75 or so. It's really a step up from the f/2 - sharper & nicer bokeh.
10-22-2012, 07:34 AM   #14
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Yea, the key is finding lenses on the cheap. Im not looking to spend more than $20-$40 so I will have to continue to be diligent to find the best price.

Thanks for all the help!
10-22-2012, 07:48 AM   #15
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If you're willing to do a little more work getting your shot, you should be able to pick up an M50/1.7 for about $40-$45. Same great optics as the A, but no auto-aperture. (Assuming you're not aware of the difference between A and M lenses) Set aperture using the aperture ring on the lens, put camera in M mode, compose, hit the green button, focus, take the shot. The green button should get you very close to the ideal exposure, and you can always dial in changes if you're not happy with the exposure & try again. It sounds like a lot, but actually very easy in practice.
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