McGregNi

Joined: 31st March 2012

All Forum Comments

Topics Created Topics Contributed Forum Comments Photo Comments

All Forum Comments

McGregNi
OK, but what are the CA auto or default settings on your RAW converter? I'd expect some CA to occur on this subject for many lenses. Camera correction settings will not have any effect unless you shoot JPEGs, or use Pentax Camera Digital Utility.

Comment by McGregNi posted on Lens shake? at 21/04/2014 - 20:17

McGregNi
Use the ground and water of No 4, then take the sky of No 1 and blend them with PS layers - that would look best I think.

Comment by McGregNi posted on Elterwater Dawn at 21/04/2014 - 20:08

McGregNi
I'd also suggest checking if there is any Chromatic Abberation correction activated, whether on the camera (if JPEGs) or in your software (maybe an auto / default setting) - it looks like some fine edge de-saturation has occured, a bit like a CA correction after-effect. Try and switch off any of this and re-process to check the edges again.

Comment by McGregNi posted on Lens shake? at 21/04/2014 - 19:55

McGregNi
And what are the crop magnifications? It really doesn't look like something that would be significant at normal sizes. In any case, this sort of well defined edge blurring is preferable to blurring across the whole surface of the object.

Comment by McGregNi posted on Lens shake? at 21/04/2014 - 18:41

McGregNi

Comment by McGregNi posted on Sheffield at 21/04/2014 - 18:38

McGregNi
Umm, a nice picture of 3 pieces of fruit? Seem to be about it ... oh, was it taken with a new DA 560mm from the building across the road?

Comment by McGregNi posted on You'll never guess what this is...... at 21/04/2014 - 17:53

McGregNi
No, I think seeing those photographers below was nothing more than a fleeting, transient distraction in this cats life - I don't believe it appreciated the significance of what was happening at all.

Comment by McGregNi posted on Sheffield at 21/04/2014 - 17:46

McGregNi
Lets hope we don't need 6 pages of histograms and 200% crop comparisons to back you up I have also found the auto-align (on the K7)very good, and have been able to prop the camera on a seat in low-light and get good results, so yes, its is a very practical and versatile 'get out of jail card'.

Do you really use 7 shots for Photmatix work? I find 5 is plenty, and the camera auto-bracket feature makes an easy job of it.

Comment by McGregNi posted on K-5 In Camera HDR Part 2 at 21/04/2014 - 15:51

McGregNi
Smeggypants wrote:
... Interesting. Amplification with a passive medium like glass would be impossible, but non linear attenuation .... Hmmmmm. I can't see what reason this would be the case, but worth looking into...
I think it would be ... maybe some savants can help us out


johnriley wrote:


By the time I get to that part of the world Nigel I'll hopefully have a K-3, so the goal posts will move still further.....
Smeggypants wrote:
or a Pentax FF
Then I would be at an advantage - he wouldn't be able to use the DA10-17, but the Samyang 14mm would work just fine I might not share it though

Comment by McGregNi posted on Flare Resistance with the 10-17mm at 21/04/2014 - 15:36

McGregNi
Yes, it works and the camera HDR generates a nice result. You have to have the camera stable of course, because it takes 3 actual seperate 'frames', although I believe the mirror remains up throughout as it sounds like only the shutter re-cycling. John how did you keep the camera steady there?

And also, surely we are going to be told that HDR is not necessary here with a K5 and its DR capabilities? Just expose for the windows and use some massive shadow correction.

Comment by McGregNi posted on K-5 In Camera HDR Part 2 at 21/04/2014 - 15:26

Proudly supporting Pentax User

Samsung Logo Asahi Pentax Logo