Search found 1488 matches
- Fri Apr 12, 2024 10:36 pm
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Book (2010): "Digital photography for science" by Enrico Savazzi
- Replies: 20
- Views: 75708
Re: Re:
Hello, I was wondering... being that it's been some years since this post, if you've revisited the idea of a PDF version. It would not only be more economical and portable, but searching the tome would be a snap! :-) Thank you Dimitri Katsaros Hi Dimitri, nothing new on this front, although I have ...
- Tue Mar 19, 2024 4:45 am
- Forum: Equipment Discussions
- Topic: Lens recomendation for film reproduction
- Replies: 69
- Views: 1726
Re: Lens recomendation for film reproduction
I would like to ask a question similar to the the topic of the thread opener. For myself I also use macro lenses dedicated to my Sony camera for digitizing slides what works really well. At my Foto-Club at the University of Stuttgart there are lots of younger people who like to shoot film and we ar...
- Sun Mar 17, 2024 4:52 am
- Forum: Equipment Discussions
- Topic: Lens recomendation for film reproduction
- Replies: 69
- Views: 1726
Re: Lens recomendation for film reproduction
... - For light i use Kaiser Plano light. It looks like the light from it is very even and has the right color. ... I never used a Kaiser Plano, but it seems to be a kind of light box, and it comes in different sizes. Just to make sure, I am going ahead and ask the obvious: are you masking off the ...
- Sat Mar 16, 2024 7:58 am
- Forum: Equipment Discussions
- Topic: Lens recomendation for film reproduction
- Replies: 69
- Views: 1726
Re: Lens recomendation for film reproduction
Actually it's the exact opposite: You want a lens to have a good contrast. It's when the lens has low contrast that you start to lose definition and tonal distinction - and when you compensate for that by raising the contrast you may lose details. Roberts images are great to determine the resolutio...
- Mon Feb 12, 2024 9:10 am
- Forum: Equipment Discussions
- Topic: Olympus U-UCD (and BH2-UCD) information
- Replies: 3
- Views: 2366
Re: Olympus U-UCD (and BH2-UCD) information
It seems that over the years it has become more and more difficult to find Olympus BH and BX literature on the web, except for two or three well-known archives (one of which seems not to carry BX material, but quite a fewof the BH items can be used on BX scopes). When I got and souped up my BX 50, I...
- Fri Feb 09, 2024 7:12 pm
- Forum: Equipment Exchange
- Topic: ** discounted ** fs: various finite microscope objectives
- Replies: 2
- Views: 2021
- Tue Jan 23, 2024 11:46 am
- Forum: Equipment Discussions
- Topic: Help! Macro rail minimum 1µm step size is too big.
- Replies: 34
- Views: 3888
Re: Help! Macro rail minimum 1µm step size is too big.
[...]no flash because the flash would take too long to recharge.[...] I beg to disagree. I just reviewed a 600 Ws studio strobe that recycles in 0.9 s after flashing at full power. The amount of flash light needed for photomicrography is perhaps 1/10 to 1/100 of that, which means recycle lasts only...
- Tue Jan 23, 2024 6:54 am
- Forum: Equipment Discussions
- Topic: Godox AD600 Pro studio strobe
- Replies: 0
- Views: 532
Godox AD600 Pro studio strobe
I think Godox strobes and speedlights have been occasionally discussed on PM.net in the past. I just wrote a review of the AD600 Pro, not specifically centering on its use in close-up and macro (but this is how I use it most of the time). Some potentially interesting features are: it is a battery po...
- Sat Jan 20, 2024 2:24 am
- Forum: Equipment Discussions
- Topic: Help! Macro rail minimum 1µm step size is too big.
- Replies: 34
- Views: 3888
Re: Help! Macro rail minimum 1µm step size is too big.
[...] Any recommendations how to overcome or improve the stepping size welcome. :) You already received good advice in the preceding posts, so I will not repeat it here. I only confirm that with 400 steps/turn motors, I have no trouble stacking up to 40x with Zerene Stacker controlling a Stackshot ...
- Mon Dec 25, 2023 12:04 pm
- Forum: Equipment Discussions
- Topic: Help! Macro rail minimum 1µm step size is too big.
- Replies: 34
- Views: 3888
Re: Help! Macro rail minimum 1µm step size is too big.
I already have a Micromate attached to my Olympus BX61. I don't want to have to remove it every time I want to do macro, so I'd have to buy another - and it takes up soooo muuuuch space! I agree that the Micromate is both large and unnecessarily expensive. However, with a minimum DIY one can build ...
- Tue Dec 19, 2023 7:07 am
- Forum: Equipment Exchange
- Topic: Nikon E400 - Phase contrast microscope [Now with pictures!]]
- Replies: 3
- Views: 6583
Re: Nikon E400 - Phase contrast microscope
microbehunter.com does have a buy/sell forum.toomuchoptics wrote: ↑Mon Dec 18, 2023 3:21 pm[...]
PS. If anyone has any ideas on somewhere else to try and sell this. I checked and registered at mikroskopieforum.de, but I'm not sure they have a selling section (I don't have Facebook).
[...]
PS - looks like you already advertised the E400 there.
- Sat Dec 16, 2023 1:02 pm
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Protist aquarium- how long should I run air pump
- Replies: 2
- Views: 3187
Re: Protist aquarium- how long should I run air pump
So I started a 3.5 gallon protist aquarium today, with aquarium heater, air pump (bubbler), LED light and pond water sample and some aquatic plants / pond soil. For those of you who have set up protist aquarium and determined the best condition for protists diversity, what settings do you use? Spec...
- Sat Dec 02, 2023 1:36 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: water soluble fluorescent dye
- Replies: 6
- Views: 5120
Re: water soluble fluorescent dye
I want the colour absorbed by the plants not painted "on" the plans. First tests showed that with pigments (particles) do not work. Pigments give a cloudy solution in water where dyes give a clear solution. Water-soluble phosphorescent dyes are hard to find, although not impossible in theory. There...
- Mon Nov 27, 2023 6:43 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: water soluble fluorescent dye
- Replies: 6
- Views: 5120
Re: water soluble fluorescent dye
If you are after light-emitting dyes for artistic purposes, CultureHustle sells phosphorescent powders that can be mixed together and/or with a transparent base to make a brush-on paint. This is not UV-stimulated fluorescence, which is practically simultaneous to irradiation. This is phosphorescence...
- Sun Nov 05, 2023 7:22 am
- Forum: Equipment Discussions
- Topic: 2x handheld macro upgrades for Pentax body
- Replies: 10
- Views: 5648
Re: 2x handheld macro upgrades for Pentax body
The old Laowa 60 mm f/2.8 was one of the first 2x macro lenses (I am talking about the lens shown at https://savazzi.net/photography/60mm-2x-lenses.html ). It is good for most natural subjects, but if you need to image flat artificial subjects with orthogonal lines (e.g. semiconductor wafers, postag...