Search found 3 matches

by scottmudge
Sat Nov 04, 2023 4:57 pm
Forum: Illumination Techniques
Topic: Correct position of darkfield/oblique patch stop in relation to condenser?
Replies: 5
Views: 2929

Re: Correct position of darkfield/oblique patch stop in relation to condenser?

That sucks; its manual mentions filters... To be fair, it *does* come with filters, they just intend them to go here: ... The marked position is designed only for filters (e.g.polarizer) that completely pass the entire diameter of the illumination beam. The ideal place for a patch-stop is as close ...
by scottmudge
Fri Nov 03, 2023 7:03 pm
Forum: Illumination Techniques
Topic: Correct position of darkfield/oblique patch stop in relation to condenser?
Replies: 5
Views: 2929

Re: Correct position of darkfield/oblique patch stop in relation to condenser?

That sucks; its manual mentions filters... To be fair, it *does* come with filters, they just intend them to go here: https://i.imgur.com/8asMpxD.jpg Which in a way is more convenient than a swing-out filter holder. But I'm just not sure about the optical properties of putting a patch stop there. I...
by scottmudge
Fri Nov 03, 2023 2:10 pm
Forum: Illumination Techniques
Topic: Correct position of darkfield/oblique patch stop in relation to condenser?
Replies: 5
Views: 2929

Correct position of darkfield/oblique patch stop in relation to condenser?

I recently purchased an Amscope T670. The condenser it came with has no swing-out filter holder. Instead, it has an inset circular depression on the top of the LED assembly (directly above the field diaphragm) into which filters can be placed. It came with 2 glass filters (green and blue) which can ...