33 pages matching substage diaphragm in this book
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CHOICE AND CARE OF THE MICROSCOPE
CAMERAS AND ACCESSORIES
9 other sections not shown
Abbe condenser accessories achromatic acid annulus aperture apochromatic back lens body tube bolt bracket camera body cent centre clamp clean colour temperature cover glass darkground illumination diameter diffuser disc edge electronic flash emulsion enlarger equipment Ethex Euparol exposure extension tube eyelens eyepiece film speed fitted fixed flash unit fluorite focal length focal plane focus focusing attachment focusing screen glycerine ground glass hole iris diaphragm Kodachrome lamphouse lenses light source light trap low power magnification material meter micro microscope mirror mount mountant neutral density filter nosepiece numerical aperture optical panel phase contrast photographed photomicrography pilot lamp plastics plate position power objective preparation projection distance Ramsden circle range refractive index remove rotating screw sections sheet shutter slide smear solution specimen stage stain strip substage condenser substage diaphragm suitable surface switch technique thickness top lens transparent tube length usually wave plate