Activity for User 893 - Jim Horn - drjimhorn@comcast.net

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560 Comments / 232 Replies Posted

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Group Round C/R Comment Date Image
5 May 24 Comment Pete, glad you could spot sunspots. There's two of them.
Last week there was a massive sunspot causing the Aurora Borealis to expand far to the south. We were cloudy for both nights. BTW, I will be 95 in 2045.
May 18th
5 May 24 Comment Richard, I am enjoying the vivid colors and how the slices make an "S" curve pattern and radial pattern. It's refreshing to have something out of the ordinary and that appetizing. Jim May 10th
5 May 24 Reply Sophia, I see you had much better things to do last month than make comments on my April photo. Thank you for your comment. Jim May 4th
5 May 24 Comment Sophia, two sensational originals. Love the composite. REgarding this being a low resolution photo, I hope you have a finished photo with 300dpi and large dimensions. Topaz has an app called Gigapixel AI that can enlarge a photo 2x or 4x.
Good luck getting ready to print this. Jim
May 4th
5 May 24 Comment Mark, I like how you presented this photo. The 1.6 second exposure gives a mystical effect. To me, the exposure is bright so I used PS New Adjustment Layer/ brightness-contrast
to keep the dark blue unsaturated but give a more natural light. Let me know what you think. Jim
May 4th
5 May 24 Comment Pete, this is a great moment to capture. I like how the color of the sunset above the horizon shows up in the foreground. It's a great example for the "Rule of Thirds." I like the counterbalance between the sailboat and the cabin. Did you consider making the cabin a bit lighter? Jim May 4th
5 May 24 Comment David, this is a great capture of great interest. Regarding Mark's comments, I see a lot of background blurring or artifact (post-processing?) on her hairline in both the original and in the B&W. I like the fine strands of silver hair on the left. The artifact in the right is more visible in the B&W. You might try to recover the right side of the photo using Camera Raw Filter, increase highlights and increase shadows. Jim May 4th
5 May 24 Reply Mark, I agree with you that the orange glow around the sun adds more interest. When I put the 4 photos together in the composite, the other three showed only black around the sun. The orange glow seemed out of place, so I darkened the background equally. I also agree that the moon looks like a sphere with the orange glow. Jim May 3rd

6 comments - 2 replies for Group 5

15 May 24 Comment Sarita, great photo - up close, remarkable detail. Looks like you got the moment when the bird winks with the nictitating membrane. Good separation on the bill. Jim May 15th
15 May 24 Reply Pei-Fan, you ask great questions. Is your 100-400 lens a Sony FE? If it is, the quality can be compared to your 300mm. The goal of bird photography is to stop motion blur and reduce noise (lower ISO).
•Birds at rest - you need 1/500 second or higher because
they are moving around.
•Birds in flight - you need 1/2000 second or higher because
they are moving very fast.
•A fixed lens at f/2.8 is reduces noise because it lets in a
lot of light and gives you a lower ISO
The advantage of a 300mm fixed lens is to capture a lot of light, reduce noise, and get amazing bokeh. The disadvantage is that you don't have the ability to zoom in or out to "frame" the bird (less cropping).
The advantage of the 100-400mm zoom lens is to photograph birds farther away, and "frame" the bird to the best size. The disadvantage is the aperture is f/4 at 100mm and f/5.3 at 400mm which required a higher ISO.
I think Topaz DeNoise AI is very good at reducing noise at very high ISO. Jim
May 7th
15 May 24 Comment Kathy, the image you present is amazing. There is so much to see on display. I have a suggestion that you "touch-up" the shadows of the egret's head and neck especially to show the curve of the neck. I used the dodge tool in Camera Raw. Let me know what you think. Jim May 4th
15 May 24 Comment Pei-Fan, this is a great photo captured at eye-level and close up. Which lens did you use? I really like the high resolution on the feathers in breeding season on the adults. Other than suggesting you consider a vignette to darken the four corners to spotlight the egrets - I have nothing else to add. Jim May 4th
15 May 24 Comment Mike, this is unusual - like a duck out of water (sorry). I appreciate the distinctive texture of the tree and its rough growths and the smooth soft coloration of the whistling duck.
lighting is good, background is not distracting. Well done.
Jim
May 4th
15 May 24 Comment Isaac, this image is very well done. It's sad to read your narrative about the considerable population drop. I appreciate how your PP shows details in all of the white areas. That's hard to do in bright sunlight on white feathers. Jim May 4th

5 comments - 1 reply for Group 15


11 comments - 3 replies Total


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