Catalogue Nr. 35 of microscopes and accessory apparatus (1894)
Ernst Leitz (Firm) · Leipzig : Klinkhardt · leaf 8
and fulfill all the requirements of a goodobjective for general work: 1. They are achromatic and are corrected for the lightest part of thespectrum: between the lines D and F of the solar spectrum. 2. They are carefully corrected as regards spherical aberration. 8. The numerical aperture, upon… … BCD E P G red orange yellow green bine violet Curve of intensity of the light rays of the spectrum. The curve given above represents the intensity of the light raysof the solar spectrum, and it will be observed that in being correctedto transmit the rays between the Fraunhofer lines D and F, our…
Microscopy
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