Search found 342 matches

by Guppy
Thu Feb 16, 2023 3:11 pm
Forum: Macro and Micro Technique and Technical Discussions
Topic: Teleconverters in macro
Replies: 43
Views: 4993

Re: Teleconverters in macro

Hi Rik

I often disagree with numbers I read, too,
so I make my measurements several times on my setup with the Zeiss Resolution Test Object 3000.
These results are authoritative for me.

Kurt
by Guppy
Thu Feb 16, 2023 2:10 pm
Forum: Macro and Micro Technique and Technical Discussions
Topic: Teleconverters in macro
Replies: 43
Views: 4993

Re: Teleconverters in macro

Hi

I deliberately mention camera (pixel pitch 2.2µm and 4.9µm) and lens (10X/0.28 and 20X/0.42, they are my measured values!
At 5:1, 1:1 or in reducing photography it behaves differently.
Concerning teleconverters there is no simple general rule.

Kurt
by Guppy
Thu Feb 16, 2023 8:53 am
Forum: Macro and Micro Technique and Technical Discussions
Topic: Teleconverters in macro
Replies: 43
Views: 4993

Re: Teleconverters in macro

Hi The MITUTOYO M Plan Apo 10X/0.28 ∞/0 f=200 on a Nikon D810 pixelpitch 4.9µm resolves the object with 950LP/mm. The MITUTOYO M Plan Apo 10X/0.28 ∞/0 f=200 on a camera with pixel pitch 2.2µm resolves the object with 950LP/mm. The MITUTOYO M Plan Apo 10X/0.28 ∞/0 f=200 on a Nikon D810 pixelpitch 4.9...
by Guppy
Mon Jan 30, 2023 8:29 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Scabiosa Pod
Replies: 8
Views: 1586

Re: Scabiosa Pod

Hi Bob

Very good quality stacks.
The new images are very nice with a great variety of details.

Makes fun

Kurt
by Guppy
Sat Jan 21, 2023 4:26 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Scabiosa Pod
Replies: 8
Views: 1586

Re: Scabiosa Pod

Hi Bob

What a beautiful photo!
Well done, i like it

Kurt
by Guppy
Sun Jan 15, 2023 2:55 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Some jumping spiders, focus stacked
Replies: 7
Views: 1003

Re: Some jumping spiders, focus stacked

Hi Mark
Very beautiful pictures well retouched
Kurt
by Guppy
Tue Nov 22, 2022 4:48 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: ND Awards
Replies: 9
Views: 1563

Re: Silver Star

Hi ADi

Well done, congratulations!

Kurt
by Guppy
Tue Oct 04, 2022 8:23 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Various arthropods at the table
Replies: 2
Views: 672

Re: Various arthropods at the table

Hi Mark

I like the humpbacked orbweaver the best.
Nice markings and the color too.

Kurt
by Guppy
Mon Sep 26, 2022 8:29 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Yellowjacket wasp eye.
Replies: 6
Views: 1235

Re: Yellowjacket wasp eye.

Hi Denis
Absolutely perfect.
I like it very much

Kurt
by Guppy
Mon Sep 26, 2022 8:27 am
Forum: Administrator's Appreciation Gallery...Macro and Close-up Images
Topic: Evania appendigaster wasp
Replies: 3
Views: 5119

Re: Evania appendigaster wasp

Hi
Perfect stack of a beautiful and useful wasp.
I like it very much

Kurt
by Guppy
Tue Sep 06, 2022 6:43 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Planktonic larvae of a shrimp
Replies: 4
Views: 806

Re: Planktonic larvae of a shrimp

Hi Ricardo

Incredibly beautiful!

Kurt
by Guppy
Tue Sep 06, 2022 3:06 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Green Lacewing And "Presents" - Update Friday
Replies: 20
Views: 1739

Re: Green Lacewing And "Presents" - Update Monday

Hi
An interesting article with informative and also very beautiful pictures.
Many thanks
Kurt
by Guppy
Sun Sep 04, 2022 7:48 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Antlion lacewings
Replies: 12
Views: 2866

Re: Antlion lacewings

Ups, thanks for the comments and the correction, I have changed it.
by Guppy
Wed Aug 31, 2022 9:48 am
Forum: Administrator's Appreciation Gallery...Macro and Close-up Images
Topic: Mantis deimatic display
Replies: 8
Views: 6080

Re: Mantis deimatic display

Hi
What a beautiful subject, nice one, in best quality!!
Kurt
by Guppy
Fri Aug 26, 2022 5:56 am
Forum: Technical and Studio Photography -- Macro and Close-up
Topic: Carpocoris purpureipennis, Nymphe
Replies: 0
Views: 458

Carpocoris purpureipennis, Nymphe

Hi Art theft at the ants, the precious antennae were probably transported to another time. As so often I stole from the ants, here now a remarkable work of art. One of the five nymph stages of the purple fruit bug. https://up.picr.de/44244673zz.jpg www.focus-stacking.ch/B/05573_00.JPG Camera: Nikon ...