Search found 50 matches

by perdu34
Thu Mar 08, 2018 3:13 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Photographing whole slide-mounted specimens
Replies: 12
Views: 3000

https://www.nature.com/articles/nn.4250 "recoding a spatial memory engram can alleviate associated maladaptive behavior." When do you start the human trials? :D Please don't apply it to the members of this group - we'd fail the test :D I'm sure we can find a few good souls who want to help push the...
by perdu34
Wed Mar 07, 2018 2:58 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Photographing whole slide-mounted specimens
Replies: 12
Views: 3000

Re: Photographing whole slide-mounted specimens

Back when I was at Oxford I spent 9 months imaging mouse brain sections at 20x on a very high end Zeiss microscope. Those didn't look half as good as your image. I don't own the images as they are published but you can see them here: https://media.springernature.com/m685/nature-assets/neuro/journal/...
by perdu34
Tue Feb 27, 2018 1:53 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Eupholus schoenherrii
Replies: 9
Views: 2384

Lucas, this is a lovely image! :smt038 Thanks for posting it. Do you mind if I nitpick a few details? 1. Would you consider displaying a smaller image on our forum, with click-to-view the larger image at flickr? At present, I can't view the whole image without changing screen-scaling. While this is...
by perdu34
Tue Feb 27, 2018 1:42 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Eupholus schoenherrii
Replies: 9
Views: 2384

Welcome aboard -- the image looks great! The combination of f/8 and 5X gives effective aperture f/48. That is seriously in diffraction territory even on a 5D Mark III (full frame, 22.3 megapixels). I expect your images would be sharper if shot at f/5.6, but you would have to shoot more source frame...
by perdu34
Mon Feb 26, 2018 1:54 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Eupholus schoenherrii
Replies: 9
Views: 2384

Eupholus schoenherrii

This is my weekend project that lasted from Wednesday to Monday. https://farm5.staticflickr.com/4621/38689782280_91dc10dd87_k.jpg Eupholus schoenherriiFlickr.jpg by Lucas Black , on Flickr Canon 5Diii Canon 65mm MP-E at 5x Canon Twin flash plus Yonguno Flash ISO 200 f8 1/160s 58 stacks in total, pro...