21mm f/3.4 ASPH Super-Elmar-M: Difference between revisions

Revision as of 14:30, 23 February 2012

Production era - 2011-current
Angle of view (diagonal, horizontal, vertical)
- for 35mm (24 x 36 mm) - 91°, 80°, 59°
- for M8 (18 x 27 mm) - 74°, 64°, 46° (Equivalent focal length : approx. 28 mm)
Optical design
- Number of lenses/groups - 8 / 7 - Aspherical surfaces: 2
- Position of entrance pupil - 15.6 mm (related to the first lens surface in light direction)
Distance setting
- Focus range - 0.7 m - ∞
- Scales - Combined meter /feet graduation
- Smallest object field - 706 mm x 1059 mm (35mm) / 530 mm x 795 mm (for M8)
- Largest reproduction ratio - 1 : 29.4
Aperture
- Setting/Function - With click-stops, half values available, 9-blade manual diaphragm
- Lowest value - f /16
Bayonet - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
Filter mount/Lens hood
- Non-rotating
- Female thread - for screw-on filters E46
- Male thread - with stop for lens hood (included in delivery)
Dimension and weight
- Length - ca. 43 /55 mm (with /without Lens hood)
- Largest diameter - approx. 53mm
- Weight - approx. 279 g
Inscription - LEICA SUPER-ELMAR-M 21mm 1 : 3.4 / 21 APSH. E46 4XXXXXX
Source - Manufacturer's Technical Data 21 Jun 2011

== 21mm f/3.4 ASPH Super-Elmar-M  Serial Numbers ==

Serial numbers compiled from known lenses

SN Start	SN End	Product	Year	Total
-4108622	4108934-	Super-Elmar-M ASPH f= 21mm 1:3.4	2011	313+
-4121216	unknown	Super-Elmar-M ASPH f= 21mm 1:3.4	2011	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	2011-	unknown

@@ Line 1: / Line 1: @@
 [[Image:M21f34.jpg|500px]]
 *'''Production era''' - 2011-current
-*'''Serial nos.''' - -4108622-4108934- -4121216-
 *'''Angle of view''' (diagonal, horizontal, vertical)
 **for 35mm (24 x 36 mm) - 91°, 80°, 59°
@@ Line 34: / Line 33: @@
 *'''Forum discussion'''
 **[http://www.l-camera-forum.com/leica-forum/customer-forum/187829-leica-super-elmar-m-21-mm.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/187829-leica-super-elmar-m-21-mm-2.html]
+ == 21mm f/3.4 ASPH Super-Elmar-M  Serial Numbers ==
+{| class="prettytable"
+!SN Start
+!SN End
+!Product
+!Year
+!Total
+|-
+| -4108622||4108934-||Super-Elmar-M ASPH f= 21mm 1:3.4 ||2011||313+
+|-
+| -4121216||unknown||Super-Elmar-M ASPH f= 21mm 1:3.4 ||2011||unknown
+|-
+|TOTAL||ASSIGNED||SERIAL NUMBERS ||2011-||unknown
+|-
+Serial numbers compiled from known lenses
+|}