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dielectric coatings have more scatter than regular SIO2 coatings.So my advice is to go with the expensive ones if you really want to go dielectric. Otherwise for all catadioptrics, a prism diagonal is far more contrasty and sharp but just as bright.
Great tip, thanks for sharing! 👍🏻🔭📸
dielectric coatings have more scatter than regular SIO2 coatings.So my advice is to go with the expensive ones if you really want to go dielectric. Otherwise for all catadioptrics, a prism diagonal is far more contrasty and sharp but just as bright.
Great tip, thanks for sharing! 👍🏻🔭📸