One of the stranger things one might see in a garden.
A Synchlora aerata (also called Wavy-lined Emerald or camouflaged looper) caterpillar was feeding on the blossom of a Zinnia cultivar in Norman, Oklahoma, United States on June 13, 2026. This cate...
Fox Squirrel (Sciurus niger) in Norman, Oklahoma, United States on May 11, 2026
Some of the camera settings I used to make this photo are at:
https://www.rsok.com/~jrm/2026May31_birds_and_cats/IMG_5904c_2026may11_squirrel.html
Software tools that I ...
I have been experimenting with jpegli. I hope that some of this might be helpful to others.
I have already requested on CPS an enhancement to DPP to use jpegli to encode JPG files. HIF files are superior to JPG, but not all web browsers will display ...
I made another attempt to prompt the free version of Anthropic Claude AI to write a program. Teaching Claude to write a program seems to me more tedious than teaching a young engineer who has just completed college.The chat with my prompts and the an...
Today I downloaded DPP Version 4.21.11.0 Release date: 17 February 2026 and experimented. Release notes for this version say:
■Changes for Digital Photo Professional 4.21.11 for macOS :- Fixed issues with some file operations.
While I did not do a...
@ebiggs1 wrote:
If the Canon tel con doesn’t work you can try the Kenko . I have not tried it since I don’t do extenders but I understand it fits most everything.
I have used the Kenko and it works well. It does not work with every EF and EF-S lense...
@rickmp001 wrote:
Thank you for your reply. I realize the lens has many deficiencies, but until I can justify spending on a more suitable replacement, I'll live with it.
Not that much editing is needed to compensate for the extender. The extender w...
I do not have that lens, but I do use Extender EF 2X III. All of my older lenses work better on my EOS R5 than they did on older cameras. An old lens will not be worse and will likely be better than it was on the older camera, but still not as good a...
if at some time in the future, you might have a Canon mirrorless camera, then an adapter for your old lens will be much more practical. I use a 50 year old Minolta lens with from a film camera with an Urth brand adapter on my EOS R5. If the lens has ...
I spent years writing code to capture data from various sensors and writing code to present an interpretation of that data to users. I think that both the data captured and the presentation are important. The presentation is more useful if one can l...
