Search found 2796 matches
- Fri Mar 22, 2024 8:57 pm
- Forum: Microscopes and optics
- Topic: GF Planachromat infinity optics for Jenamed microscope
- Replies: 15
- Views: 1530
Re: GF Planachromat infinity optics for Jenamed microscope
I think the 1x also required a special upper lens like some Nikon cfi60s did a generation or two ago (1x macro).
- Fri Mar 22, 2024 8:56 pm
- Forum: Microscopes and optics
- Topic: Wild M8 vs Wild MZ3
- Replies: 19
- Views: 2312
Re: Wild M8 vs Wild MZ3
Don't get an M3b imo unless it is quite cheap. Being a step mag isn't bad but only having 3 settings is a bit of a bummer vs 5 on the m3c or continuous on the m3z, the C is a basically strictly better with no optical downside, the m3z is somewhat nicer to use even if the zoom probably has some optic...
- Thu Mar 21, 2024 7:11 pm
- Forum: Microscopes and optics
- Topic: Polylite SC endusers(?)
- Replies: 49
- Views: 4355
Re: Polylite SC endusers(?)
Congratulations! Looks like you're getting good shots.
- Thu Mar 21, 2024 4:04 am
- Forum: For forum members who want to buy and sell equipment
- Topic: WTB AO 570 or 580
- Replies: 5
- Views: 1082
Re: WTB AO 570 or 580
That's a very good deal in my opinion. Good 580s are rare.
- Thu Mar 21, 2024 1:10 am
- Forum: Microscopes and optics
- Topic: Leica Reichert Jung Polyvar (models)
- Replies: 88
- Views: 38355
Re: Leica Reichert Jung Polyvar (models)
Btw I wanted to say thanks again for sharing your unique insights on all this.
- Wed Mar 20, 2024 11:55 pm
- Forum: Microscopes and optics
- Topic: Leica Reichert Jung Polyvar (models)
- Replies: 88
- Views: 38355
Re: Leica Reichert Jung Polyvar (models)
B&L made at least one DIC system, epi DIC for the balplan. A rare but impressive piece of equipment. The AO epi is also pretty exceptional.
- Thu Mar 14, 2024 10:39 pm
- Forum: Microscopes and optics
- Topic: Reichert U.S.A. and Leica. Why the undercorrection?
- Replies: 10
- Views: 1039
Re: Reichert U.S.A. and Leica. Why the undercorrection?
I understand why this was necessary in the 60s and earlier, but I do find it odd that Nikon was able to manage so well without additional corrections in the 80s, followed by Olympus and Mitutoyo, while Leica and Zeiss cling to it still. I kind of assume Leica and Zeiss should have the best engineers...
- Tue Mar 12, 2024 5:25 pm
- Forum: My microscope
- Topic: what objectives have you tried on wild M8
- Replies: 1
- Views: 1192
Re: what objectives have you tried on wild M8
65mm thread objectives have an added 1.25x magnification on m50/m60 systems like the M8, so it would act as a ~0.78x. Leica plan apo stereo objectives are quite nice.
- Tue Mar 05, 2024 11:55 pm
- Forum: Microscopes and optics
- Topic: Polylite SC endusers(?)
- Replies: 49
- Views: 4355
Re: Polylite SC endusers(?)
That .32X fractional lens is to compensate for the tube length and reduce unwanted alterations in W.D. It isn't needed if the tube length is kept to something close to the reference length. My understanding is thst, as designed, a viewing or afocal photo eyepiece projects an image at infinity focus...
- Tue Mar 05, 2024 2:09 am
- Forum: Microscopes and optics
- Topic: Polylite SC endusers(?)
- Replies: 49
- Views: 4355
Re: Polylite SC endusers(?)
A wild eyepiece isn't going to do what you need it to corrections-wise, they are basically neutral (and their field coverage is awful, 21mm fn). But that general setup with a widefield Riechert eyepiece and a shorter focal length lens subbed in for the 0.32x lens (maybe 40mm) could give quite good r...
- Mon Mar 04, 2024 2:16 am
- Forum: Microscopes and optics
- Topic: Polylite SC endusers(?)
- Replies: 49
- Views: 4355
- Sat Mar 02, 2024 8:26 pm
- Forum: Microscopes and optics
- Topic: Polylite SC endusers(?)
- Replies: 49
- Views: 4355
Re: Polyvar SC endusers(?)
Very nice unit! Unfortunately I don't think any specific information is available. People have looked for the manual before and thus far had no luck. It is typical for these highly specialized units that were sold to industry rather than academic labs. The photo tube likely has correcting optics sin...
- Sat Mar 02, 2024 5:25 pm
- Forum: Microscopes and optics
- Topic: GF Planachromat infinity optics for Jenamed microscope
- Replies: 15
- Views: 1530
Re: GF Planachromat infinity optics for Jenamed microscope
Yeah, that is a bargain.
- Sat Mar 02, 2024 5:08 am
- Forum: Microscopes and optics
- Topic: Selling old Leitz Laborlux or SM?
- Replies: 20
- Views: 1398
Re: Selling old Leitz Laborlux
I am not a leitz expert but I think you have a Heine condenser there which is sonewhat sought after.
- Sat Mar 02, 2024 4:51 am
- Forum: Microscopes and optics
- Topic: Selling old Leitz Laborlux or SM?
- Replies: 20
- Views: 1398
Re: Selling old Leitz Laborlux
You can also search sold listings on eBay. They go back a decent ways.
- Sat Mar 02, 2024 4:51 am
- Forum: Microscopes and optics
- Topic: GF Planachromat infinity optics for Jenamed microscope
- Replies: 15
- Views: 1530
Re: GF Planachromat infinity optics for Jenamed microscope
Oh cool, just using an m25 15mm long spacer? How did it dk in the corners being pushed down 20%?
- Fri Mar 01, 2024 11:09 pm
- Forum: Microscopes and optics
- Topic: GF Planachromat infinity optics for Jenamed microscope
- Replies: 15
- Views: 1530
Re: GF Planachromat infinity optics for Jenamed microscope
These are from the 80s from what I understand, pretty late in the Jena lineup. They come up pretty frequently on eBay. I have not tried them but reviews have been quite good.
- Fri Mar 01, 2024 10:14 pm
- Forum: Microscopes and optics
- Topic: GF Planachromat infinity optics for Jenamed microscope
- Replies: 15
- Views: 1530
Re: GF Planachromat infinity optics for Jenamed microscope
-A means it is internally corrected (ie part of the CF250 system, using a 250mm focal length tube length neutral tube lens, no eyepiece corrections).
-This one is meant for reflected light )but you could get away with transmitted light.)
-I believe they have a 25mm thread.
-250mm
-This one is meant for reflected light )but you could get away with transmitted light.)
-I believe they have a 25mm thread.
-250mm
- Fri Mar 01, 2024 8:42 am
- Forum: Microscopes and optics
- Topic: has anyone used Leica S-APO 10x objective?
- Replies: 9
- Views: 831
Re: has anyone used Leica S-APO 10x objective?
Edit: post was meant for a different forum context, whoops.
- Fri Mar 01, 2024 3:09 am
- Forum: Microscopes and optics
- Topic: has anyone used Leica S-APO 10x objective?
- Replies: 9
- Views: 831
Re: has anyone used Leica S-APO 10x objective?
For a bit there they were branding fluorites as s-apo (semi apo). Given the lack of full internal correction on top of that I wouldn't consider it a very appealing target.
Edit: I got mixed up on which forum I was on.
Edit: I got mixed up on which forum I was on.
- Sun Feb 25, 2024 2:45 am
- Forum: Microscopes and optics
- Topic: Evolution of the Olympus microscope line
- Replies: 2
- Views: 620
Re: Evolution of the Olympus microscope line
That sounds like a lot of work to ask from people. You can read about the basics here https://www.olympus-lifescience.com/en/ ... eum/micro/
- Sat Feb 24, 2024 5:45 am
- Forum: Microscopes and optics
- Topic: AO Sterostar Prism
- Replies: 25
- Views: 2040
Re: AO Sterostar Prism
Congrats! Incide tally I have a trinocular attachment for this model--if you ever want one drop me a line. They're kind of rare but I can sell it reasonably.
- Wed Feb 21, 2024 7:57 pm
- Forum: Microscopes and optics
- Topic: Using modern olympus objectives on old olympus
- Replies: 10
- Views: 1073
Re: Using modern olympus objectives on old olympus
The 100x and 40x in this test are made for the same optical system so if that were the issue you would expect both to perform poorly. That's aside from this combination being something of a known quatity from previous testing.
If you can return this objective I'd try that.
- Wed Feb 21, 2024 6:31 pm
- Forum: Microscopes and optics
- Topic: Using modern olympus objectives on old olympus
- Replies: 10
- Views: 1073
Re: Using modern olympus objectives on old olympus
I think your objective is decentered or otherwise borked. Darn shame.
The tube lens in the bh2 illuminators is pretty neutral, the far corners on aps-c seemed to do something when I had one but I didn't test it that well. Either way it is fairly ckmpatible with modern olympus.
The tube lens in the bh2 illuminators is pretty neutral, the far corners on aps-c seemed to do something when I had one but I didn't test it that well. Either way it is fairly ckmpatible with modern olympus.
- Tue Feb 20, 2024 5:38 pm
- Forum: Camera systems and imaging
- Topic: higher magnifications with a M4/3 camera on a Leica M420?
- Replies: 6
- Views: 1224
Re: higher magnifications with a M4/3 camera on a Leica M420?
I have never used a m4/3 camera before, but I assume since the mount is the same that you could use any m4/3 teleconverter, though of course some are probably much better than others.
- Tue Feb 20, 2024 4:44 pm
- Forum: Microscopes and optics
- Topic: Is it ok to use metalloscopy objective in biology microscope?
- Replies: 8
- Views: 917
Re: Is it ok to use metalloscopy objective in biology microscope?
This will not work. Optically it's fine, Motic's tube lenses are made to the Olympus standard and will play perfectly fine with mitutoyo spec objectives (though it would give 9x rather than 10x magnification), and at NA 0.28 you won't have coverslip issues. They also don't mind transmitted light. Bu...
- Tue Feb 20, 2024 4:39 pm
- Forum: Microscopes and optics
- Topic: DIC on Nikon Eclipse Ci-L
- Replies: 4
- Views: 508
Re: DIC on Nikon Eclipse Ci-L
On the older E line the E400 was prevented from mounting doc hardware by its geometry. With some grinding into the metal frame one could be mounted (I think Pete demonstrated this in an older thread). It might be a similar situation here.
- Tue Feb 20, 2024 4:37 pm
- Forum: Camera systems and imaging
- Topic: higher magnifications with a M4/3 camera on a Leica M420?
- Replies: 6
- Views: 1224
Re: higher magnifications with a M4/3 camera on a Leica M420?
Yes, that spacing is going to matter. I don't know what you can get away with in using one out of spec before the image quality degrades noticeably, but I would guess you can't get away with much.
- Mon Feb 19, 2024 8:24 am
- Forum: Camera systems and imaging
- Topic: higher magnifications with a M4/3 camera on a Leica M420?
- Replies: 6
- Views: 1224
Re: higher magnifications with a M4/3 camera on a Leica M420?
On the m420 you'd use any of the standard 38mm adapters that Wild offered. That could be the afocal setup with a viewing eyepiece (not great) or afocal with one of the dedicated photo eyepieces (probably better), but if you're using m4/3 it's probably going to be a poor result. You could also use Ni...
- Sun Feb 18, 2024 10:53 pm
- Forum: Microscopy accessories
- Topic: Wild Heerbrugg M5 power supply
- Replies: 14
- Views: 1575
Re: Wild Heerbrugg M5 power supply
The M5 was made for decades. They msy have offered it with a few similarly specced power supplies over that period. I've certainly seen plenty of variations from the wild/leitz family.