Schneider Componon 28/4 [V4]

Six-element enlarger lens with black barrel, split-circle aperture indicators and Convex-5 aperture. As [V3] but with M39 Leica rear mount. Image circle insufficient to cover full frame at infinity, but prized for macro performance when reversed. [US Cat# 10-010340].

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Category: Enlarger Lenses Tags: 28, 28mm, componon, enlarger, enlarging, f4, f4.0, lens, macro, reversed, schneider

Specifications
Reviews

Weight	90 g
Dimensions	28 mm
Focal Length (mm)	28
Image Circle (mm)	30
Max Aperture (f)	4
Min Aperture (f)	16
Aperture Blades	5 (Convex)
Elements	6 / 4
Front Thread	30.5×0.5mm
Rear Mount	M39
Flange-Focal Distance (mm @ ∞)	20.8
Serial Numbers	14478623
Production	c.1973-1992