. The book of photography; practical, theoretical and applied. denser is the same as far as the opticalpart goes, but it is fitted into the sub-stage. These condensers are either non-achromatic, achromatic, or non-achromatic condensers are com-posed of two lenses, while the achromaticand apochromatic condensers are made upof various combinations. A well-knownform of achromatic condenser is theAbbe illuminator, which is made in two Fig. 707.—Watsons Univehsal Condenser. as the light which it transmits is prac-tically free from colour. The oil-immer-sion condenser is used with a
. The book of photography; practical, theoretical and applied. denser is the same as far as the opticalpart goes, but it is fitted into the sub-stage. These condensers are either non-achromatic, achromatic, or non-achromatic condensers are com-posed of two lenses, while the achromaticand apochromatic condensers are made upof various combinations. A well-knownform of achromatic condenser is theAbbe illuminator, which is made in two Fig. 707.—Watsons Univehsal Condenser. as the light which it transmits is prac-tically free from colour. The oil-immer-sion condenser is used with an oil-im-mersion objective, a drop of oil of cedar- r)3:i wood being placed on the front lens, andthe condenser racked up until it touchesthe under surface of the glass slide onwhich the object is mounted; the lightthen .passes in a straight path from the.
Size: 1490px × 1678px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
