21mm f/2.8 ASPH Elmarit-M
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- Leica Order No. - 11897-silver, 11135-black . LLC - 140
- Production era - 1997-2010 7,250+ lenses
- Variants - Silver and black versions
- Lens mount - Leica M quick-change bayonet
- Number of lenses/groups - 9 /7
- Angle of view diagonal, horizontal, vertical - 92°, 81°, 59°
- Entrance Pupil position - 19.4 mm (related to the first lens surface in light direction)
- Focal length - 21.3 mm
- Aperture range - f/2.8-f/16
- Closest focusing distance - 0.7 m / 2.3 ft
- Smallest object field - 696 mm x 1.044 mm
- Maximum magnification - 1:29
- Diaphragm setting / type - Manual with click-stops, (including half values) / 8-blade
- Filter type - Internal thread for screw-in type filters, size E55
- Materials - Anodized aluminum and optical glass / chrome plated brass and optical glass
- Dimensions Length x Diameter - 46 x 58 mm
- Weight - 415 g / 300 g (chrome plated brass / black anodized aluminum)
- Inscription - LEICA ELMARIT-M 1:2.8/21 ASPH. E55 (serial no.)
- Leica Tech Data
- 21mm f/2.8 ASPH Elmarit-M.pdf - courtesy Summilux.net
- Erwin Puts (2002) Leica M-Lenses.pdf - pgs. 21 - 25
Comment
- On the street - $US 2,200 in 2010
- Reviews
- Forum discussion
Leica 21mm f/2.8 ASPH Elmarit-M Serial Numbers
Serial numbers compiled from known lenses and Puts Pocket Pod.pdf^ Lens no. 3848529 is 28mm f/2.8 ASPH Elmarit-M
~ stolen lens, please report if found on sale
| SN Start | SN End | Product | Year | Total |
|---|---|---|---|---|
| 3780530 | 3781029 | 21mm f/2.8 ASPH Elmarit-M | 1997 | 500 |
| 3786860 | 3787359 | 21mm f/2.8 ASPH Elmarit-M (black+silver) | 1997 | 500 |
| 3796510 | 3797509 | 21mm f/2.8 ASPH Elmarit-M | 1997 | 1000 |
| 3822625 | 3823624 | 21mm f/2.8 ASPH Elmarit-M (silver) | 1998 | 1000 |
| 3846000 | 3846499 | 21mm f/2.8 ASPH Elmarit-M | 1998 | 500 |
| 3848500 ^ | 3849499 | 21mm f/2.8 ASPH Elmarit-M (black+silver) | 1998 | 1000 ~3849445 |
| 3885207 | 3886206 | 21mm f/2.8 ASPH Elmarit-M (silver) | 2000 | 1000 |
| 3924921 | 3925420 | 21mm f/2.8 ASPH Elmarit-M (black+silver) | 2001 | 500 |
| 3946864 | 3947863 | 21mm f/2.8 ASPH Elmarit-M (black+silver) | 2002 | 1000 ~3947004 |
| 3991119 | 3991368 | 21mm f/2.8 ASPH Elmarit-M | 2005 | 250 |
| -4005115 | 4038722- | 21mm f/2.8 ASPH Elmarit-M (black) | 2006-2009 | 33,608+ |
| -4068052 | 4068193- | 21mm f/2.8 ASPH Elmarit-M (black) | 2010 | unknown |
| TOTAL | ASSIGNED | SERIAL NUMBERS | 1997-2005 | 7,250 |
