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03-15-2015, 09:16 PM   #5086
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QuoteOriginally posted by Dewman Quote
I have the FA 50mm f:2.8 Macro, but I'm thinking I'd like the extra distance between lens & subject the 100mm affords. For those of you who have personal experience with both, what is your opinion of the IQ comparison?
QuoteOriginally posted by Surnia Quote
Yep, don't care about the minor hazing anymore. Sharpness is pretty much what I expected out of the 100/4 Macro!
As mentioned previously, this is with a slightly hazy lens. The detail on the yolk is pretty much as sharp as I've ever seen it...
I don't have the modern F2.8 Macros to compare against, but IIRC this should be at maximum ratio (1:2, I believe the F2.8s are designed to be 1:1).

Part of the beauty of the 100mm F4 is that its a Heliar lens configuration. Its not fully corrected for spherical aberration, but it allows for very smooth OOF transitions. Once they made the transitions to the 1:1 optics, they no longer used Heliar.

03-17-2015, 03:47 PM   #5087
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M28-50 and yesterday sunset

I did add Lensband(not original Lensband), now I can turn cpl-filter without refocusing unintentionally. I must admit that I do really enjoy using my M28-50 so much. 28mm felt perfect for most shots.
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03-18-2015, 02:31 AM - 8 Likes   #5088
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A crop from my Pentax-M 1:2 50mm


Lori by -Occasionally Focused-

I think it's fair to say it's "acceptably sharp" when in focus.
03-18-2015, 03:07 AM   #5089
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QuoteOriginally posted by Tsuken Quote
I think it's fair to say it's "acceptably sharp" when in focus. Report Post Like Tsuken's Post
I think it is fair to say that your post processing skills have enhanced this photo considerably ;-)

03-18-2015, 03:27 AM   #5090
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QuoteOriginally posted by manntax Quote
I think it is fair to say that your post processing skills have enhanced this photo considerably ;-)

8) thank you. I went a bit more obviously-processed-looking on this than usual; it just seemed to work somehow with the sort-of split toning
03-18-2015, 09:44 AM - 1 Like   #5091
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That parot proves M50f2 being underestimated lens
03-18-2015, 11:06 AM   #5092
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QuoteOriginally posted by Joojoo2010 Quote
That parot proves M50f2 being underestimated lens
I think we should not draw too much conclusion about the lens - which is what it is - a budget kit lens with decent optics but certain compromises if it comes to the quality - not only optically-wise. Anyway, if you go and look at the bigger image of this parrot, you will see that there are plenty of micro-contrast and clarity, but very little resolution and actual detail - so let's not get too excited- although I am all for 'not glass but photographer make the photo stand out' - there is still a lot of truth in 'you get what you pay for' :P

03-18-2015, 11:16 AM   #5093
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QuoteOriginally posted by manntax Quote
there is still a lot of truth in 'you get what you pay for' :P
In the case of the M50/2, and the giveaway prices it's selling for, you get much more than you pay for, imo
03-18-2015, 11:30 AM   #5094
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QuoteOriginally posted by paulh Quote
In the case of the M50/2, and the giveaway prices it's selling for, you get much more than you pay for, imo
definitely agree ! I think there are exceptions from this rule and M 50 f2 is one of them for sure - even more so all manual glass for that matter. To make lens like this to that standard today it would cost much more than one pays for them today !
03-18-2015, 03:05 PM   #5095
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Does anybody have an M100 2.8 with the lens hood that can show me a picture of what the hood looks like?
03-18-2015, 06:31 PM   #5096
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M50 f1.7

(Cross-posted...)

At our local photography club Monday night one of the members showed how to take photographs of water drops. It was a fun exercise, and a nice learning experience! Here is one I took...


K-5, ISO80, AF-280T flash angled down, Pentax-M 50mm f1.7 @ f5.6, cropped

-Joe-
03-19-2015, 06:07 AM - 1 Like   #5097
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First time using the M100 2.8.

Handheld 2-shot pano using K3 and merged together in photoshop. Aperture was around f10.


Edit: Just noticed that Photoshop didn't do so well on some of the guide wires.

100% crop


Last edited by r0ckstarr; 03-19-2015 at 06:13 AM.
03-19-2015, 07:15 AM - 1 Like   #5098
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QuoteOriginally posted by r0ckstarr Quote
Does anybody have an M100 2.8 with the lens hood that can show me a picture of what the hood looks like?
https://www.pentaxforums.com/forums/attachments/36-sold-items/61506d127309444...copy-small.jpg
It was the same for 85mm and 100mm M lenses.
The one I have is identical
03-19-2015, 07:30 AM   #5099
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QuoteOriginally posted by LensBeginner Quote
https://www.pentaxforums.com/forums/attachments/36-sold-items/61506d127309444...copy-small.jpg
It was the same for 85mm and 100mm M lenses.
The one I have is identical
Thank you!
03-19-2015, 02:42 PM   #5100
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QuoteOriginally posted by k0og Quote
(Cross-posted...)



At our local photography club Monday night one of the members showed how to take photographs of water drops. It was a fun exercise, and a nice learning experience! Here is one I took...





K-5, ISO80, AF-280T flash angled down, Pentax-M 50mm f1.7 @ f5.6, cropped



-Joe-

Oh, great job!
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