Lens Type:

Telephoto. Variable separation.

Iris diaphragm scaled f8 - 64 in removable positive lens. Magnification scaled 3 - 8. Extension scaled 16 - 56 cm and 6½" - 22". Aluminium mount with rack and pinion movement to separate lenses. For half-plate. The positive lens has a focal length of around 9" and is removable for use as a prime lens.

Serial Number:

105751 .