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View Full Version : A few from this evening - annoying SIGMA 10-20 content

EdinburghGary
16-05-2008, 19:56
Really not enjoying the results of this lens, clearly user error, but I must learn how to avoid soft images...

Anyhoo, C&C welcome as always. Look at both the soft spots on the "solo tree" shots too, I don't get it :shrug:


1 (Has a soft area, blurry almost, left of center - see larger)

http://farm4.static.flickr.com/3263/2497000095_a2dda78042.jpg
click here for larger (http://farm4.static.flickr.com/3263/2497000095_98145a77e1_o.jpg)



2 (too soft)

http://farm4.static.flickr.com/3043/2497850080_32c8405dd9_o.jpg



3 (I know too much saturation / contrast?)

http://farm3.static.flickr.com/2070/2497869066_3cff4c3832_o.jpg




4 (This is very soft)

http://farm3.static.flickr.com/2301/2497053173_300c1899a6_o.jpg




5

http://farm4.static.flickr.com/3127/2497890726_a61a0f145f_o.jpg




6 (too soft and has a soft area, blurry almost, left of center)

http://farm3.static.flickr.com/2026/2497080897_f8c5b682d4_o.jpg



Thanks for looking!!!

Gary.
EdinburghGary
16-05-2008, 20:01
oh, and my sensor clean is now long overdue. What a state on the higher F numbers...
db247
16-05-2008, 20:13
I like the third one, and maybe it's the lens... though I haven't read about any bad copies yet. Maybe it's your eyesight :P
ranarama
16-05-2008, 20:39
I don't think the blurry patch is down to the lens. It looks to me like you have an enormous lump of crud on your sensor and if you're using wide apertures and the lump is large eough it'll do that to your pics. You said youself the sensor was mucky.

They all look oversharpened to me with halos around contrasty areas. No2 & 4 are difficult to really analyse at this resolution, perhaps you focussed on a cloud:shrug:
EdinburghGary
16-05-2008, 21:49
Thanks guys,

I swear if there was area that I would love to improve on, it would be soft shots. Not brave enough to do sensor cleaning myself so will try and get it done in the morning.

G.
dcash29
16-05-2008, 22:31
So in landscape the lens is blurry above or below centre?
Ive heard right and left but not top to bottom

What F stop and ISO are you using on these shots?
EdinburghGary
16-05-2008, 22:33
So in landscape the lens is blurry above or below centre?
Ive heard right and left but not top to bottom

What F stop and ISO are you using on these shots?



Hi Mate,

I just feel its overly soft. I used F8 mostly, and the ISO ranging from 100 to 400 mostly. I very rarely ***'t higher than F8, maybe I need to be open a bit wider? <<<<<edit: confused, wider is higher or lower number?
dcash29
16-05-2008, 22:36
where in the picture do you focus lets say in picci No. 4
EdinburghGary
16-05-2008, 22:42
Pic 4 I focused on the gate....EXIF to follow...
EdinburghGary
16-05-2008, 22:48
ISO400 F8
dcash29
16-05-2008, 22:49
auto focus?
whats soft?
What did you want in focus?
why focus on a subject in full shadow? although i guess it wasnt only for the exposure
EdinburghGary
16-05-2008, 22:52
I wanted the whole scene to be in focus, i presumed if I focused in the distance the shadowed gate edge would be soft...man it's confusing :D
EdinburghGary
16-05-2008, 22:52
auto focus?
whats soft?
What did you want in focus?
why focus on a subject in full shadow?

number 2 has had hardly any sharpening, and it seems very sharp...I just don't get it clearly :D - actually, maybe it is soft but the contrast makes it appear sharper...
hillwalkinggirl
16-05-2008, 22:57
Hi Gary, I think that you are being over critical, No 2 and No 5 are really beautiful.:clap:
dcash29
16-05-2008, 22:58
I think it looks sharp although slightly over exposed on my screen.
But you said in your original post that it was soft?
where did you focus in that shot plus exif

Are you focussing with hyperfocal distances?
EdinburghGary
16-05-2008, 23:07
I think it looks sharp although slightly over exposed on my screen.
But you said in your original post that it was soft?
where did you focus in that shot plus exif

Are you focussing with hyperfocal distances?

Nope, I don't understand HFD.

Number 2 I just focused on the three.

Gary.
EdinburghGary
16-05-2008, 23:08
Hi Gary, I think that you are being over critical, No 2 and No 5 are really beautiful.:clap:

Thank you:) head hurts :bang:

I am being fussy as hell I know :D I just really want to nail the problems I seem to have more often than not!!