Search found 13 matches
- Sat Jun 06, 2020 4:29 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
Thanks for the file. I went ahead and had it translated to English. Polam-L.de.en.pdf I had previously found a document in Russian. lomo polam_compressed.pdf I was able to translate it into 'workable' English. lomo polam eng_compressed (1).pdf Just in case any of you are interested or other LOMO own...
- Sat Jun 06, 2020 1:28 am
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
SOLVED!!!! As I was taking the 2.5x objective to the retirement home, I decided to disassemble the entire microscope. Upon reassembly, I noticed threads on the bottom of the intermediate tube. Then the light bulb went off. This random glass piece that was in the box with the objectives that I could...
- Fri Jun 05, 2020 11:41 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
I'm starting to heavily lean toward putting the 2.5 back in the box!
- Fri Jun 05, 2020 11:19 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
And the POLAM!!!
- Fri Jun 05, 2020 11:18 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
Here are some views of the back of the objective
And the condenser, both with the 0.85NA and without (for 0.30NA)- Fri Jun 05, 2020 12:08 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
My wording wasn't the best there. I am able to remove the 0.85NA lens. There was no luck with focusing. Sorry for the confusion! I attempted to photograph the 'focused' image with the eyepiece removed on the 2.5x objective which shows most of the setup of the microscope: scope.jpg It is a normal nos...
- Fri Jun 05, 2020 10:14 am
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
Clutching at straws here but I wonder if the intermediate image is at a different height when using the 2.5x. If this was the case, what would need adjusted? I suspect maybe there is a missing element from the rear of the objective. back of 2.5 obj.jpg It seems to me like something is missing, but ...
- Thu Jun 04, 2020 10:20 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
The sanity check failed. Top/side lighting the slide and trying to focus, specifically at the 9mm mark was unsuccessful. Here is my auxiliary lens: aux lens.jpg Here are views showing the convex top and bottom: aux lens bottom convex.jpg aux lens top convex.jpg The auxiliary lens over light: aux len...
- Thu Jun 04, 2020 5:14 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
Thanks for all the replies. I will do my sanity check in a few hours when I get home :lol: . I tried manually holding the condenser and raising it up from the light source to the bottom of the stage, no luck. The auxiliary lens photo I posted was from the internet, not my actual lens. Mine is froste...
- Thu Jun 04, 2020 12:25 am
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
I hadn't tried that before. Unfortunately it still isn't focusing. I had tried to remove the 0.85 lens of the condenser with no luck. I placed the neutral density filter over the light output and it allowed me to see a blurred image, yet it still would not focus. I have a feeling it's something simp...
- Wed Jun 03, 2020 1:38 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
Re: LOMO 2.5 Objective Focusing
Thank you all very much for your replies. I'm sorry for not responding sooner, I was out of town and away from the microscope. I had seen that article before but am a little confused on what the 'ground glass condenser lens' exactly is with the Polam. Under the condenser set up is a swing out lens w...
- Fri May 29, 2020 11:21 pm
- Forum: Beginner's corner
- Topic: LOMO 2.5 Objective Focusing
- Replies: 49
- Views: 14190
LOMO 2.5 Objective Focusing
Hello all, I am having trouble getting my LOMO 2.5x 0.05 objective to focus on a POLAM 213. The other objectives are fine with focusing, just the 2.5 I am having issues with. When I remove the ocular, I can see that the specimen is in focus, however when I add the ocular I cannot see the specimen. I...
- Thu May 28, 2020 4:30 pm
- Forum: For forum members who want to buy and sell equipment
- Topic: LOMO microscope hunting for you
- Replies: 21
- Views: 15847
Re: LOMO microscope hunting for you
Hello dmi3n, I was wondering if you or anybody else had a user manual for the Lomo Polam-213M?
Thanks in advance!
Thanks in advance!