MicrobeHunter.com Microscopy Forum

thank you so much! (i was just looking online for something to print for my bh-2. hopefully op has solved his darkfield issues by now.)

It's probably a shorter parfocal objective. I have a chinese 4x that looks like a BH2 objective but has a shorter parfocal distance than 45mm. you're right!!! i just went to check again and the stage was so far down - i just looked in at a permanent slide and it was almost perfectly in focus. thank...

Hello, I need some help with an Olympus BH2 microscope ... I recently purchased a "new" 4x objective only to find my stage won't rise high enough to use it! I suspect it might be the stage lock mechanism. When I first unlocked the mechanism, it made a nice, sharp click. But the stage would still ris...