We have an early winter in Calgary with over 20 cm of snow so far. I returned recently from the arctic so the cold weather doesn't seem so bad, however pond life is undergoing a radical change. I had so much fun over the summer taking pictures of pond life that I am setting up a small aquarium to house invertebrates over the winter. This way I can have material to photograph throughout the winter. I will still explore what is living in ponds below the ice.
Below are a few recent photomicrographs I would like to share - I am working on a couple of articles for my web site where I will post more pictures once I can identify many of the new organisms I have found.
I use a Zeiss Axioscope with a Nikon D500 attached and I was playing with Phase contrast and found if I used a 20X objective with the Phase I ring (for 10X) I got a neat effect that almost looks like a drawing that might be done in Photoshop - only it wasn't - see Brachionus rotifer photos. I have not seen this effect before.
First 3 photos rotifer freshwater Brachionus sp
Top photo - rotifer with wrong phase ring
Second photo - rotifer with Darkfield microscopy
Third photo - rotifer with phase contrast (positive)
Fourth photo - freshwater snail embryo DIC microscopy - 5X objective
Fifth photo - Desmid Spinocosmarium sp DIC microscooy - 63X objective
Sixth photo - Pandorina 40X objective DIC - 32 biflagellate cells
Seventh Low mag DIC 2.5X objective, Insect larvae - water bug hemiptera Agrion damselflie larva
Autumn pond organism & drawing effect with wrong phase r
Moderators: rjlittlefield, ChrisR, Chris S., Pau
- Robert Berdan
- Posts: 319
- Joined: Wed Oct 18, 2017 8:58 pm
- Location: Calgary
- Contact: