Microscope Eyepiece - LOMO Homal-2

Description

Microscope Eyepiece - LOMO Homal-2
Features:
Type:
Homal
Tube diameter:
27mm
Magnification:
-
Focal length:
-70.42mm
Linear field of view:
15mm
Notes:
Coated optics
Description:
Homal
is a special projecting system used to take pictures in the visible light. Optical system of homals partially corrects field of view curvature and magnification chromatic aberrations of achromatic and apochromatic objectives. But using homals you lose about 1/3 of the field of view.
This Homal-II should be used with objectives for 160mm and 190mm tube length if their powers is 5x to 20x, and with infinity tube objectives of 11x to 30x power (using f=250mm tube lens).
Focal length - minus 70.42mm;
Linear field of view - 15mm;
Mount diameter - 27mm;
Coated glass.
Very good used condition.
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