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Anoptral contrast- The meopta has more or less co-operated with me today and we have pictures to show for our efforts. After much huffing and puffing I managed to get the mirror, condenser and objective lenses aligned; sort of, just about, almost.
The Meopta’s condenser is still a tad out of alignment but I think I have got away with it.
Anoptral phase contrast is much like normal phase contrast as far as set up goes. You need Kohler illumination and you need to use a phase telescope to align phase rings on the condenser turret with phase rings in the objective. The main difference is that with anoptral phase contrast the phase plates are a sooty brown colour. This reduces halos around your phase objects and gives a rather soothing brown background. Very easy on the eyes..
What do you think?

Diatoms, Anoptral phase

Diatoms, Anoptral phase

Diatoms, Anoptral phase

diatoms, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatoms, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatoms, anoptral contrast

Diatom, anoptral contrast

Diatom, anoptral contrast

Diatoms, anoptral contrast
- Diatoms, Anoptral phase
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Written
on January 12, 2017