Napioa - Wind Origins

Napioa - Wind Origins
by octopus                

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Jan
26
comment Is there a website which will help me crowdsource the decision between similar images?
@igor Realistically, it is very unlikely that this proposal will go through (at least in its current form). It is not a good fit for the StackExchange format... That shouldn't stop you from trying, but you might at least want to think through the example questions and not make then A-or-B choices. What would be the purpose of voting on such a site? Which answer gets accepted? Why is this better as a Q/A site than as a discussion forum? It sounds like you are looking for something that has an interface for A/B choices instead.
Jan
26
comment Is there a website which will help me crowdsource the decision between similar images?
@igor Which photo gets stars on flickr has little to do with which one is better ... But flickr has several critique groups where you can ask for human feedback. flickr.com/search/groups/?q=critique
Jan
25
comment How does software exposure compensation work in RAW files?
To put it simply: a sensor pixel counts photons. The RAW file stores these counts for each pixel. When you tune the exposure with say, Lightroom, it just multiplies these counts by a factor. If a pixel collected 100 photons, you can multiply that by 2 to "make it look like" 200.
Jan
21
comment Does the detail in an image affect how large the image file is?
@supercat Here's an experiment showing the effect of noise on JPEG size (quality priority). Size is in bytes, written under each image. Of course the results should significantly depend on the encoder itself as lossy encoders have many choices to make about what details can be thrown away without humans noticing ... dropbox.com/s/gla3lmbe1d831od/lena.png?dl=0
Dec
29
revised Is autofocus important for ultra wide angle lenses?
added 324 characters in body
Dec
29
comment Is autofocus important for ultra wide angle lenses?
@PhilipKendall OK, done.
Dec
29
answered Is autofocus important for ultra wide angle lenses?
Dec
28
comment Do Raw camera images store colors logarithmically, with black near 0 and white at infinity?
The simple way to think of it is that the sensor counts photons, and the RAW file stores these counts (or rather a number proportional to them) directly.
Dec
16
comment How does the GoPro achieve such high dynamic range?
It's field of view is wide enough to always include plenty of sky which is not so bright as to be blown out. Portions of the sky close to the sun will still be blown out (how big that portion is depends on haze, clouds, etc.)
Dec
1
revised How can I avoid green flare on my sunrise photos?
added 2 characters in body
Sep
14
awarded  Nice Answer
Jun
25
awarded  Popular Question
Jun
14
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Jun
11
awarded  Yearling
Apr
30
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Feb
26
comment How to match colors on photographs stitched together?
@WilliamKF "M" setting is not sufficient. Also use identical white balance settings when converting the raw files.
Feb
26
comment How to match colors on photographs stitched together?
Just google for "stitch panorama in photoshop" and you'll find everything you need. CS6 does have this feature. Key things are Edit -> Auto Align and Edit -> Auto Blend. Auto-Blend does sort of what you're asking for. Actually it will cut the layers along a line chosen to minimize the differences between them, it will usually look seamless. I haven't used this with your method though (moving camera position), only with rotating the camera while its position is fixed.
Feb
26
comment What should I look for in a wide angle lens?
I think yes: many more wide angle photos will have the sun in them than photos taken with narrower lenses.
Feb
26
comment How to match colors on photographs stitched together?
Are you using Photoshop's automated stitcher? It should take care of this automatically. Or is it producing bad results in other ways?
Feb
25
comment What should I look for in a wide angle lens?
What about flare resistance?