photoni Posted October 12, 2023 Share Posted October 12, 2023 cucumber section of approximately 1 mm Sony A7 standard with Nikon L39 UV filter on the left with side light on the right with light from under the glass . Sony A7 full spectrum with Nikon L39 UV filter . Sony A7 full spectrum with yellow filter . Sony A7 full spectrum with green filter . Sony A7 full spectrum with Hoya R72 filter . Link to comment
Nate Posted October 12, 2023 Share Posted October 12, 2023 Great comparisons Toni! Surface and internal is a great idea Link to comment
Doug A Posted October 13, 2023 Share Posted October 13, 2023 Excellent images. Like the different comparisons and light positions. Thanks for sharing, Doug A Link to comment
otoien Posted October 13, 2023 Share Posted October 13, 2023 Very nice, good idea to just use a slice with backlight. The full spectrum with yellow filter is reversed left/right compared to the others? Link to comment
photoni Posted October 13, 2023 Author Share Posted October 13, 2023 2 hours ago, otoien said: Very nice, good idea to just use a slice with backlight. The full spectrum with yellow filter is reversed left/right compared to the others? Yes !!! you have a good eye @otoien I corrected the image Thank you Toni . P.S. I used an EL-Nikkor 80mm f5.6 lens The first two with UV filter I used f11 The other f5,6 ... are not very sharp Link to comment
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