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Topic:	Komuranon-S 5.6/150 Enlarging Lens
Author/Copyright:	John Jovic

The Komuranon-S 150mm F5.6 enlarging or enlarger lens is pictured below.

Specifications

There are presently no official specifications for the Komuranon-S 5.6/150 that can be referenced. The information shown below is based on that supplied by the owner of the above sample of the Komuranon-S 5.6/150. The data for the Komuranon-E 5.6/150 is shown for comparison as it is likely that it and the Komuranon-S 5.6/150 are the same lens in all physical respects.

	5.6/150mm "S"[pc][1]	5.6/150mm "E"[2]
Focal Length (mm):	150	150
Maximum aperture (F):	5.6	5.6
Lens construction (elements - groups):
Angle of coverage:		56°
Recommended negative size (mm):
Minimum aperture (F):	22	22
Designed magnification:
Useful magnification range:
Achromatized wavelength range (nm):
Distortion at basic magnification (%):
Focal length design value (mm):
Barrel outer diameter A (front) (mm):
Flange mount thread size:	Leica[1]	Leica
Filter size (mm)	None[1]
Barrel outer diameter B (rear) (mm):
flange focal length (mm):
Back focal length (mm):
Distance from flange surface to the second principal point (mm):
Principal point spacing (mm):
Total length (mm):
Weight (g):
Coating:

References/Notes
[1]	Anonymous (lens owner and source of images), Email correspondence (March 3, 2015)
[2]	"Photographic Lenses", Australian Photography Photo Directory 1975, (1975): 186
[pc]	Photo Cornucopia. Measured or personally observed by the Author.

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