Zeiss Negative Barlow meniscus lens CXCV Ø51/32mm FL -47.61mm MultiCoated HR

Description

Zeiss Negative Barlow Meniscus lens Ø51/32mm FL -47.61 MultiCoated
These authentic and original optical parts come directly from a surplus (close-down business in Germany).
Great for DIY and research projects.
Purpose:
Carl Zeiss manufacturing process (several sources involved, including Schneider).
Diameter Ø:
51
mm (max diameter) / 32mm effective lens view.
Focal Length:
-47.61mm
Diopters:
-21.00
Coating:
multicoated
Optical standard:
unknown (most probably
BK-7 substrat).
Brand:
Zeiss
Class A:
this means no issues, like new stuff.
Shipped in non-acid organic bag (it won't harm optics over long periods of storage).