| Weight | 5814 g |
|---|---|
| Dimensions | 100 mm |
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| Image Circle (mm) | |
| Max Aperture (f) | |
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Carl Zeiss Jena R-Biotar 100/0.73
Biotar X-ray lens for use on the RK70 Röntgenkamera 70 (AKA ‘Jena 70’) for fluorescent screen photographs. Example images by Espen Susort and Media Division.











16:9 –
Espen Susort web page: https://espensusort.no/lens/carl-zeiss-jena-r-biotar-100mm-f-0-73/
Media Division video review: https://www.youtube.com/watch?v=WKjeglkR97o