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03-24-2015, 12:34 AM - 2 Likes   #1
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Post your K-S2 Shots Here

Marbles, with the new kit lens @ f8, ISO800 (xposted):



03-24-2015, 09:12 AM - 1 Like   #2
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K-S2

Overcast sky, but anyways here are two shots with Pentax K-S2 and FA 43mm 1.9 ltd.

f5.6 ISO 100







f 8 ISO 500


https://flic.kr/p/rsBMdB
https://flic.kr/p/runMTo

Last edited by Picturesque; 03-24-2015 at 10:23 AM. Reason: Correcting picture links .07, Yes!
03-24-2015, 11:34 AM   #3
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What were you focusing on in that second image?
03-24-2015, 11:45 AM   #4
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QuoteOriginally posted by hbarnwheeler Quote
What were you focusing on in that second image?
I think to the most near corner of the cabin. It is a hand held shot on a busy bridge with f-stop 8, so there can be some softness.

03-24-2015, 03:51 PM - 1 Like   #5
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QuoteOriginally posted by Picturesque Quote
I think to the most near corner of the cabin. It is a hand held shot on a busy bridge with f-stop 8, so there can be some softness.
Thanks.
03-26-2015, 11:29 AM - 1 Like   #6
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K-S2

Two panoramas taken hand hold with FA 43mm 1.9 Limited. First one four portrait shots, second two shot vertical panorama. 1/320 sec ISO 100.





03-27-2015, 01:59 AM   #7
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Hi guys,

Can you post samples shot at lowlight using iso 1600 and up? Crop and full. Thanks
03-28-2015, 01:51 PM - 2 Likes   #8
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K-S2

These are exposure bracketed images blended to one. K-S2 43mm 1.9 ltd. The reds and magentas are tuned down in Lightroom -10. Very strong contrast in middle of the day and deep shadows behind the tractors. New white snow as extra difficulty. Hand held shots aligned in PTAssembler.

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Last edited by Picturesque; 03-28-2015 at 02:00 PM.
03-28-2015, 04:58 PM   #9
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Why is there a need to tune down the reds? Is it ugly sooc? Thanks
03-29-2015, 03:22 AM   #10
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I did it for DNG RAWs imported from K-S2 to Lightroom. Traditionally (? - I have only K-30 and K-S2 digital Pentaxes) Pentax has over saturated reds. Reds easily blow out, if not tuned down. I can see this clearly on K-30 and now try it on K-S2. To my opininon this seems to cure the problem. Previously I wondered, why I can't get the reds look natural on flower shots. I haven't tested this tuning down on them yet, but must give a try. Perhaps this tuning down can be made by profiling the camera in Lightroom, but have not yet done this. It is more easy to do a custom Preset for importing photos to Lightroom. It automatically changes the reds (red and magenta saturation) -10. I have to test this more if it is good for all photos.


More about the red issue in general is discussed here https://www.pentaxforums.com/forums/38-photographic-technique/276739-what-abo...ml#post2988987

Last edited by Picturesque; 03-29-2015 at 06:31 AM.
03-29-2015, 06:21 AM - 3 Likes   #11
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K-S2, Accura Diamatic 135/2.8 (for the Single in March challenge via these forums...)











Same camera/lens combo, but this is a stitch of 12 landscape images in Microsoft ICE:

03-29-2015, 06:35 AM   #12
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There are some great looking images there.... thanks...
03-29-2015, 10:12 AM   #13
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Couple of shots with the K-S2's bundled kit lens (DAL 18-50/4-5.6 DC WR RE)

This was indoors, very dim, with natural and artificial light. Tricky situation! I'm not entirely happy with the results and next time, in a similar situation, I'll just use the MX-1.





I'm going to take the kit lens out again today in some daylight and see what I can do with it!
03-29-2015, 11:51 AM   #14
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QuoteOriginally posted by severalsnakes Quote
Couple of shots with the K-S2's bundled kit lens (DAL 18-50/4-5.6 DC WR RE)

This was indoors, very dim, with natural and artificial light. Tricky situation! I'm not entirely happy with the results and next time, in a similar situation, I'll just use the MX-1.
Thanks for the sample shots.

For what it's worth, the lens on the mx-1 is slower than the kit lens you took that photo with. At it's widest end (12mm), it's f/1.8. That works out to an aperture of 3.3mm (f-number = focal length / aperture diameter). At the widest end (18mm), that kit lens can open up to f/4. That works out to an aperture of 4.5mm.

EDIT: The MX1 is 6mm at its widest.

Last edited by hbarnwheeler; 03-29-2015 at 02:06 PM.
03-29-2015, 01:12 PM   #15
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QuoteOriginally posted by hbarnwheeler Quote
Thanks for the sample shots.

For what it's worth, the lens on the mx-1 is slower than the kit lens you took that photo with. At it's widest end (12mm), it's f/1.8. That works out to an aperture of 3.3mm (f-number = focal length / aperture diameter). At the widest end (18mm), that kit lens can open up to f/4. That works out to an aperture of 4.5mm.
Hmm... I do understand that the f/stop is a fractional whatchamacallit. The MX-1's widest focal length is 6mm, though, not 12. As the aperture opening is a function of a fraction, I did not believe any sort of equivalence computation was necessary, as it would be when we are comparing "equivalent" fields of view with focal lengths...?

1/2 is 1/2 no matter if it is 1/2 of 100 or 1/2 of 1,000,000.

This has the potential to be VERY confusing.

EDIT: I'm seriously sitting here with my calculator, but it's not helping me visualize. I'm gonna have to draw a picture. I'm a visual learner.

EDIT 2: OK. I did draw a picture, and that makes sense now. (Although, unless I mis-read your post, you say 12mm, but you calculate for 6mm?) I guess the practical application is all that matters, though, and I feel like I've had better results from the MX-1 in similar settings with similar light.

I'm gonna blame the less-than-stellar results on having a new camera and a new lens, plus pressure of recording family events. ^_^

Last edited by severalsnakes; 03-29-2015 at 01:29 PM.
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