Search found 5348 matches
- Mon Apr 15, 2024 8:09 am
- Forum: Photography Through the Microscope
- Topic: Micro double terminated quartz crystal
- Replies: 5
- Views: 255
Re: Micro double terminated quartz crystal
Very good image and nice comparison
- Wed Apr 10, 2024 11:22 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Methods to evaluate performance of a focus rail
- Replies: 10
- Views: 858
Re: Methods to evaluate performance of a focus rail
There are also a few high power microscopes that have a single knob that provides both coarse and fine focus depending on how you turn it. I have one of those, for which fine focus moves only a total of 0.3 mm in 1/2 turn, after which continuing to turn the knob gives coarse focus. Reversing the di...
- Wed Apr 10, 2024 7:32 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Methods to evaluate performance of a focus rail
- Replies: 10
- Views: 858
Re: Methods to evaluate performance of a focus rail
Hello rjlittlefield. Fascinating and complex matter; for me because I'm just a simple artist, but with an insatiable curiosity about the mechanics of things. I have an old Nikon SMZ-1 stereo microscope that I have been cleaning and restoring, with my limited knowledge. It's functional. It allows me...
- Sat Apr 06, 2024 10:43 am
- Forum: Equipment Discussions
- Topic: Question about Optiphot and infinity corrected objectives
- Replies: 9
- Views: 309
Re: Question about Optiphot and infinity corrected objectives
I ignore which infinite heads could mount on the Optiphot (the trick with a epiilluminator seems good) but about the infinite objectives you can use Olympus UIS or UIS2 or Nikon EPI CF infinites with RMS thread, or also could mount Nikon CFI60 with a M25 to RMS adapter if your in your stand the stag...
- Sat Apr 06, 2024 5:11 am
- Forum: Equipment Discussions
- Topic: Efficient diffuse macro lighting for SWD objectives
- Replies: 14
- Views: 500
Re: Efficient diffuse macro lighting for SWD objectives
I said "related" because, if I understand it well, the Lieberkühn's is just a reflector surrounding the lens* while yours is a double reflector, playing the conical objective tip an important role for illuminating the white diffusing reflector, am I right? * and would be of little utility with very ...
- Sat Apr 06, 2024 1:00 am
- Forum: Equipment Discussions
- Topic: Efficient diffuse macro lighting for SWD objectives
- Replies: 14
- Views: 500
Re: Efficient diffuse macro lighting for SWD objectives
Very nice!
You have invented something related with the Lieberkühn reflector
https://microscope-antiques.com/lieberkuhn.html
https://www.alanwood.net/olympus/lieber ... ctors.html
You have invented something related with the Lieberkühn reflector
https://microscope-antiques.com/lieberkuhn.html
https://www.alanwood.net/olympus/lieber ... ctors.html
- Fri Apr 05, 2024 11:09 am
- Forum: Equipment Discussions
- Topic: Bellows suggestions?
- Replies: 43
- Views: 2865
Re: Bellows suggestions?
They are cheap for some reasons. "E" means "economy", I think. They are low end objectives mainly for student grade microscopes, achromats, non plan corrected and likely with not so big image circle although sometimes you can find great surprises "hidden gems" The 10X will be useful within its limit...
- Wed Apr 03, 2024 10:28 am
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: My lawn is loving the rain
- Replies: 1
- Views: 140
Re: My lawn is loving the rain
The stereo at 4K resolution is really awesome.
- Fri Mar 29, 2024 9:34 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: What camera adapter for trinoclear microscope
- Replies: 13
- Views: 479
Re: What camera adapter for trinoclear microscope
Hi Peter, you're welcome! So, my conclusion is that I could try the 0.5x relay lens in stead of the 0.35x. Do you agree? If yes, how to order a lens like that? Just “relay lens, 0.5x”?
Last question: will the light output be less than using the 0,35x lens? That might be a disadvantage.
I think tha...
- Thu Mar 28, 2024 12:52 pm
- Forum: Equipment Discussions
- Topic: Lens recomendation for film reproduction
- Replies: 69
- Views: 1726
Re: Lens recomendation for film reproduction
I see the 1709a (without bellows) clearly much better! Take a look at them at 200%
- Thu Mar 28, 2024 9:19 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Zerene and hand-held focus stacking "manually"
- Replies: 3
- Views: 329
Re: Zerene and hand-held focus stacking "manually"
The procedure is described here:clausgiloi wrote: ↑Thu Mar 28, 2024 8:53 am...I can add some examples once I figure out how to attach photos :-/
viewtopic.php?f=20&t=41917
- Wed Mar 27, 2024 12:32 pm
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: What camera adapter for trinoclear microscope
- Replies: 13
- Views: 479
Re: What camera adapter for trinoclear microscope
There is some thing in the microscope port or into the 0.35X adapter that is vignetting the image. More questions: 1. (again) Is the round image field as seen through the eyepieces bigger, similar or smaller than the camera round image field as shown? Observing and imaging a ruler is very useful for...
- Wed Mar 27, 2024 12:03 pm
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: Fossil diatoms in their natural habitat...
- Replies: 2
- Views: 166
Re: Fossil diatoms in their natural habitat...
...in their natural habitat... :lol: :lol: =D> Although they have been extracted, their habitat is the diatomite stratum Very promising raw material Very interesting! This is definitely a case where I needed to see the full resolution image to make sense of what I'm seeing. I can't agree more
- Mon Mar 25, 2024 11:23 am
- Forum: Equipment Exchange
- Topic: Optiphot Bertrand head
- Replies: 2
- Views: 171
Re: Optiphot Bertrand head
Just by curiosity, is it a head with built-in Bertrand lens?
- Mon Mar 25, 2024 2:50 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: What camera adapter for trinoclear microscope
- Replies: 13
- Views: 479
Re: What camera adapter for trinoclear microscope
The question now is which adapter I should use from camera to microscope to obtain the same field of view and focus through the camera as with direct view. Is the image too big or too small when compared with the eyepieces field of view? Please clarify this point Because the sensor is rectangular a...