Durst Neonon 50/2.8 [Pentax V3]

Made in Japan (Pentax?). Version 3 has a black body with silver nose ring, a knurled aperture ring and 5/6-digit serials beginning with zero printed on a sticker. The front ring engages and disengages click stops. Colour correction: 380-700nm.

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Dimensions	50 mm
Focal Length (mm)	50
Max Aperture (f)	2.8
Min Aperture (f)	22
Aperture Blades	8 (Straight)
Elements	6 / 4
Rear Mount	M39
Production	c.1985-2000
Serial Numbers	04811-09601, 062441-064631