Search found 1043 matches

by MarkSturtevant
Tue Feb 23, 2021 6:54 pm
Forum: Nature Photography -- Macro and Close-up
Topic: Pair of Midges
Replies: 1
Views: 104

Re: Pair of Midges

Nicely done!
by MarkSturtevant
Sat Feb 20, 2021 4:20 pm
Forum: Nature Photography -- Macro and Close-up
Topic: "Flies" from various orders
Replies: 1
Views: 119

"Flies" from various orders

Summer fishfly ( Chauliodes pectinicorni ), from the rather obscure insect order called Megaloptera. Some members of this order are huge, but this one is about the size of your little finger. https://live.staticflickr.com/65535/49540386722_bb944b2f09_k.jpg Summer fishfly by Mark Sturtevant , on Flic...
by MarkSturtevant
Fri Feb 19, 2021 9:17 pm
Forum: Macro and Micro Technique and Technical Discussions
Topic: Color illusions
Replies: 4
Views: 225

Re: Color illusions

That is pretty cool. I do see many examples where similar color combinations are used to induce an after image of a different color. Among these are animated illusions. Here is one: https://en.wikipedia.org/wiki/Lilac_chaser Stare at the central cross. There is no green dot . The link explains some ...
by MarkSturtevant
Fri Feb 19, 2021 8:55 pm
Forum: Photography Through the Microscope
Topic: Good Luck Perseverance!
Replies: 2
Views: 159

Re: Good Luck Perseverance!

Interesting! Spirogyra?
by MarkSturtevant
Sat Feb 13, 2021 11:22 am
Forum: Photography Through the Microscope
Topic: Chondritic Meteorite section
Replies: 9
Views: 397

Re: Chondritic Meteorite section

Wow! That is cool. Interesting especially how the nodules are made of smaller nodules. Of course the most famous one related to these is the Murchison meteorite. This is a carbon-rich chondritic meteorite found to contain a wide range of organic compounds, including amino acids (the building blocks ...
by MarkSturtevant
Thu Feb 11, 2021 11:12 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Honey bee eye
Replies: 4
Views: 231

Re: Honey bee eye

I was about to say that, but Leonard beat me to it! :^o
Doing this would be like a dream job for me, btw.
by MarkSturtevant
Thu Feb 11, 2021 11:10 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: More snowflakes
Replies: 3
Views: 293

Re: More snowflakes

Excellent!
by MarkSturtevant
Wed Feb 10, 2021 9:52 pm
Forum: Photography Through the Microscope
Topic: Clock mechanism running.
Replies: 1
Views: 253

Re: Clock mechanism running.

Very nice. Is there movement while being photographed?
by MarkSturtevant
Wed Feb 10, 2021 9:50 pm
Forum: Photography Through the Microscope
Topic: NoDoz
Replies: 3
Views: 223

Re: NoDoz

That is interesting. I especially like the different colors. If you look up 'caffeine crystals' online, you will see that is the basic form.
by MarkSturtevant
Wed Feb 10, 2021 9:48 pm
Forum: Photography Through the Microscope
Topic: Feathers
Replies: 1
Views: 164

Re: Feathers

Very nice! The method does give a striking effect. I suppose their is air inside the feather, and the air-water surfaces give very strong and interesting contrast effects.
by MarkSturtevant
Wed Feb 10, 2021 9:44 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: "Seedbox" fruits
Replies: 5
Views: 275

Re: "Seedbox" fruits

That... is really weird! Very nice picture too.
by MarkSturtevant
Wed Feb 10, 2021 9:42 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: grizzled mantid
Replies: 2
Views: 196

Re: grizzled mantid

Very cool! I would so much like to see one of these.
by MarkSturtevant
Wed Feb 10, 2021 9:37 pm
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Snow Crystals
Replies: 2
Views: 155

Re: Snow Crystals

Very interesting! These have a very interesting 'look'.