3 pages matching iris diaphragm in this book
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Testing and Adjusting the Light Source
The Use of Filters to Increase or Decrease Contrast
7 other sections not shown
35 mm film achromat achromatic/aplanatic condenser Agfa Isopan FF aperture approx Atomal Black-and-white photomicrograph blood smear bright field buffer solution built-in lamp camera MKa colour film colour temperature Colour transparency compensating eyepiece condenser 0.70 condenser diaphragm Contrast range correct Kohler illumination correction filter coverslip cut film dark field dark slide Development Diatom didymium e. g. Wild Fluotar Ektachrome Ektachrome processing laboratory enlarging paper Establish Kohler illumination field diaphragm film holder fluorescence focus focusing telescope front lens ground glass screen iris diaphragm Kodak light source low power low voltage lamp medium power Method MKal with focusing negative normal objective oil immersion oil immersion objective optical phase contrast photo eyepiece plate Polarising filters Required reversal films roll film magazine Schedule Selection sheet film single lens reflex specimen plane step-photogram stereomicroscope strip exposures suitable area technique telescope and 35 telescope and roll test slide TTTTD xylol