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07-17-2014, 02:22 AM   #1
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SMC Pentax-M 50mm F1.7 on K-3?

I have found a good cheap copy of this lens and would like to try it on the K-3.

Is it worth buying, given it will be my first foray into manual photography?

ie Will it, with persistence, give me nice images or is it just too hard to use on the K-3? Anyone have any shots with this combination?

If not an option, what would you suggest as good alternatives?

07-17-2014, 03:00 AM   #2
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QuoteOriginally posted by snpsht Quote
I have found a good cheap copy of this lens and would like to try it on the K-3.
Is it worth buying, given it will be my first foray into manual photography?
It's a great lens. Works fine on any modern Pentax, including the K-3. If you got a good, cheap copy, go for it.

Usage is not too hard - just read the sticky here on how to use manual lenses.

Some reviews and sample photos from this lens are here
07-17-2014, 03:34 AM   #3
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You won't be disappointed. Sharp wide open, then extremely sharp after F2.8.
If you do any video, you will appreciate the smooth-as-butter focus ring, too.
07-17-2014, 03:51 AM   #4
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Unless you already own a nifty fifty, go for it. It definitely takes some learning, but it will be worth the effort. Also, it might be a good idea to buy a lens hood for it
the M 50mm f1.7 was the first manual prime I bought for my DSLR and I don't regret it. Good low light performance, easy to focus, good image quality. Can be used for landscapes, portraits.. You just need to learn to hold it, focus it, and meter. And these skills will help your photography with any lens


Last edited by Na Horuk; 07-17-2014 at 04:44 AM.
07-17-2014, 04:39 AM   #5
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The K, M and A series 1,4 -1,7 50mm are all great lenses. They`re easy to use, they are sharp, have fantastic colours and a beautiful bokeh.
I use these lenses with my K 5ii and all works fine. The easyier lenses are from the A series, because you can make your Aperture settings inside your camera.
07-17-2014, 05:22 AM   #6
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Excellent...thanks for the advice, I'll pick up my new lens tomorrow!
07-17-2014, 08:59 AM   #7
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QuoteOriginally posted by snpsht Quote
Is it worth buying, given it will be my first foray into manual photography?
In a single word...YES!!!

In many more words...I would suggest that the M 50/1.7 is probably the single best lens option for anyone wanting to explore vintage lenses on their modern Pentax dSLR. It was arguably one of the sharpest normal lenses available at the time it was made*, has great build, and is inexpensive to boot.

Your last comment indicates a positive purchase decision! You are really going to like the lens.


Steve

* The M 50/1.7 was chosen to represent the Pentax line by Modern Photography for its famous maximum film resolution test done back in the early 1980s. To see scans of the article (thank you Nesster/Jussi):

https://flic.kr/p/7JZYjL (first page)
https://flic.kr/p/7JZYiw (second page)

Last edited by stevebrot; 07-17-2014 at 09:16 AM.
07-17-2014, 09:24 AM   #8
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Just be careful. When you own 5 50mm lenses you will officially have Lens Buying Addiction.

07-17-2014, 01:46 PM   #9
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Good luck with your M 50/1.7! It's a very nice lens.

QuoteOriginally posted by boriscleto Quote
Just be careful. When you own 5 50mm lenses you will officially have Lens Buying Addiction.
Nah, I have stopped at 4 50mm lenses (the 43, 55, and 58 don't count, right?) so it's not that hard to avoid this thing called LBA.
07-17-2014, 01:55 PM   #10
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QuoteOriginally posted by savoche Quote
I have stopped at 4
I stopped at 3 (including a M 50 1.7). Although I did give another 50mm away recently to a relative, so I was also sitting on 4 for a while.
07-17-2014, 02:51 PM   #11
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QuoteOriginally posted by rawr Quote
I stopped at 3 (including a M 50 1.7).
I envy you. While I am in recovery from LBA and actually have some 21 50mm lenses*, I still feel the tug on occasion.


Steve

* Actually have 22, but one is an enlarger lens. The others are in various mounts, but still I have 14 that will mount to a K-mount camera.
07-29-2014, 07:16 AM   #12
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Why put a 20+ year old lens on a K3? Because you can, because it is cheap?
No AF, no communitcation, trouble with precise foucs... Pentax offers new 50mm lenses for little money that can do a lot more.

Get an MX and play with the M-50.
07-29-2014, 07:32 AM   #13
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QuoteOriginally posted by zapp Quote
Why put a 20+ year old lens on a K3? Because you can, because it is cheap?
No AF, no communitcation, trouble with precise foucs... Pentax offers new 50mm lenses for little money that can do a lot more.

Get an MX and play with the M-50.
You can still use the AF confirmation and CIF feature on the camera, besides, there is the fun factor with old lenses.
07-29-2014, 11:19 AM   #14
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QuoteOriginally posted by zapp Quote
Why put a 20+ year old lens on a K3? Because you can, because it is cheap?
No, because it is a damn good lens and better than at least one current Pentax 50mm offering.


Steve
07-29-2014, 11:51 AM   #15
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QuoteOriginally posted by zapp Quote
Why put a 20+ year old lens on a K3? . . . .[snip]
Because that's how I enjoy the hobby. Old stuff is better-made than the new.

Last edited by monochrome; 07-29-2014 at 11:59 AM.
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