Siemens-Spiegel-Hypomediar 20cm f6.8 process_C41 Colour Pentacon Prakticar 135mm f2

Pentacon Prakticar 135mm f2

Ilford Ilfotec DD-X fine grain developer for black and white film

SMC Pentax-DA AL WR 18-55mm f3

Imagine that you have three camera-mounted strobes

Siemens-Spiegel-Hypomediar 20cm f6.8 process_C41 Colour Pentacon Prakticar 135mm f2Siemens Spiegel Hypomediar 20cm f6. 8 lens for C mount. This is a unique mirror lens design with an adjustable diaphragm from f6. 8 f16. Designed for 16mm c mount cameras, this lens will not cover Micro Four Thirds (see pic for coverage at infinity), but will cover Super 16 image area. A rare lens in good condition, with some cosmetic barrel wear, oil on diaphragm blades, good optics.