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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 19 Oct 2008 (Sunday) 06:59
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Waning Moonlight and the Trails

1,360 posts
Joined Jun 2007
Oct 25, 2008 00:29 |  #16

Super cool exposure there.

Senior Member
632 posts
Joined May 2008
Oct 25, 2008 19:01 |  #17

bowtie wrote in post #6527336 (external link)
=bowtie`;6527336]Pleas​e always ask questions. My Grandfather says there is no such thing as a stupid question, only stupid answers. I will try my best to keep the stupid out of my answers.

24mm is considered wide angle. It is not the frame bending of 17 or lower but there still is spherical distortion especially when a *straight* object resides from the center of the image to an edge, as the silos do. The camera body also plays a part. The 5D with the bigger sensor does not have the compression of the crop bodies and assists with showing the distortion.

Another good question with the lighting in the lower left. It is indeed a florescent farm security light. Green as green can be. You actually caught one of the two edits I did on this image. First there was an electrical line running from out-of-frame right, behind the grain bin, to the barn and then over to the middle silo. The second edit was the face of the house that looks *yellow* right beside the weird green grass. The security light made the face of the house so bright and green that it stood out like a sore thumb. I knocked down the exposure on the house so much that it now looks more yellow than green but more importantly does not reach out and take your eyes away from the more important foreground buildings. Good eye on your part seeing all that there is in an image!

Thanks for the info, especially the bold comment above. Most of my picture taking in years past was done, of course with a 35mm slr, and learning the differences in digital sensor size and what it does to the image is important to me. My entry into the digital world is the S5 with a small sensor and I do not get the obvious image bending of vertical objects at the 24 mm focal length.

Thanks again for your help.

Gear list: S5IS, 40D, Canon 17-55 f2.8 IS, Canon 70-200 f4 L IS, Sigma 150-500mm F5-6.3 DG OS HSM, Canon 50mm f1.8 mk1, Canon 85mm f1.8, Sigma 30mm f1.4 EX DC HSM, 430EXII, Kenko 1.4x TC, tripod

76 posts
Joined Oct 2008
Location: Hampshire, UK
Oct 29, 2008 15:35 |  #18

Excellent shot, would like to see more of the same.

Cameras 40D | G9
L Lens 16-35 f2.8L | 24-70 f2.8L | 70-200 f2.8L IS | 100-400 L IS | EF Lens 50mm f1.4 | 28-135 f3.5 | EFS 10-20 3.5-4.5 IS | 17-85 4-5.6 IS
Other stuff 580 EX | 430EX | ST-E2 | 3 x tt5's

36 posts
Joined Aug 2007
Location: Los Angeles, CA
Oct 29, 2008 16:30 |  #19

Wonderful capture. I see no overexposure at all!

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Waning Moonlight and the Trails
FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
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