Schneider Negative Barlow meniscus lens Ø38mm FL -173.9mm MC #724-20

Description

Schneider Negative Barlow Meniscus CXCV lens Ø40mm FL -173.9mm SK-505-W MultiCoated
These authentic and original optical parts come directly from a surplus (close-down business in Germany).
Purpose:
Carl Zeiss manufacturing process (several sources involved, including Schneider).
Diameter Ø:
40
mm (Identifier SK-505-W).
Focal Length:
-173.9mm
Diopters:
-5.58
Coating:
multicoated
Optical standard:
BK-7 substrat
Brand:
Schneider
Class (condition):
A (no issues, like new stuff).
Shipped in non-acid organic bag (it won't harm optics over long periods of storage).