28mm f/2 ASPH Summicron-M

• Leica Order No. - 11 604 Black 11 661 Silver / LLC - 147

• Production era - 2000-Current < 5,500 lenses to 2006

• Lens mount - Leica M quick-change bayonet

• Number of lenses/groups - 9 /6

• Focusing range - 0.7 m / 2.3 ft < ∞

• Aperture - f/2-f/16 - Setting/Function Preset, with click-stops, half values available, manual diaphragm

• Smallest object field/Largest reproduction ratio - 528 mm x 793 mm / 1:22

• Angle of view (diagonal, horizontal, vertical) - 75°, 65°, 46° (24x36 - 35 mm) - 60°, 51°, 36° (18x27 mm)

• Position of entrance pupil - 12.8 mm (related to the first lens surface in light direction)

• Scales - Combined meter/feet graduation

• Filter mount/Lens hood - Internal thread for screw-on filters size E46, non-rotating / separate, clip-on type, lockable

• Accessories - Hood: 12451 or 12589

• Viewfinder - Camera viewfinder

• Materials - Black or clear anodized aluminum and optical glass

• Focal length - 28.5 mm / 1.1 in

• Length to bayonet flange - 40.8 mm / 1.6 in

• Largest diameter - 53 mm / 2.1 in

• Weight - approx. 270 g / 9.5 oz

• Inscription - LEICA SUMMICRON-M ASPH. 1:2/28 E46 3XXXXXX

• Designer - Michael Heiden

Comment

• On the street - €EU 3100 - $US 4,000 in 2008 - $US 2,750 in 2010
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• Reviews
  • Erwin Puts
  • Ken Rockwell
  • Steve Huff

28mm f/2 ASPH Summicron-M Serial Numbers

Serial numbers compiled from Puts Pocket Pod

SN Start	SN End	Product	Year	Total
3900076	3901075	28mm f/2 ASPH Summicron-M	2000	1000
3913223	3914222	28mm f/2 ASPH Summicron-M	2001	1000
3922101	3923100	28mm f/2 ASPH Summicron-M (black)	2001	1000
3928464	3929463	28mm f/2 ASPH Summicron-M (black)	2001	1000
3945564	3946563	28mm f/2 ASPH Summicron-M	2002	1000
3981089	3981588	28mm f/2 ASPH Summicron-M	2004	500
unknown	4072426-	28mm f/2 ASPH Summicron-M	2006-2007	unknown
4072702-	4074178-	28mm f/2 ASPH Summicron-M (silver)	2008	277+
unknown	unknown	28mm f/2 ASPH Summicron-M	2009-	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	2000-2006	5,777+