
On this crop the surface looks like porcelain:

Rogelio
Moderators: rjlittlefield, ChrisR, Chris S., Pau
It works fine -- the only challenge is figuring out what NA to assign to the combination.Mitch640 wrote:I was under the impression you could not use a condenser with a lower NA than the lens?
For darkfield yes, but Rogelio is using a darkfield condenser to produce circular oblique illumination like Charles in his recent post:Mitch640 wrote:I was under the impression you could not use a condenser with a lower NA than the lens?