50mm f/1.4 Summilux-R I
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. 
- Order nos. - 11675 - 11776 - 11777 - 11875 - 11888-gold . LLC - 128
- Production era - 1970-1998 < 35,322 lenses
- Variants - 2-cam and 3-cam; black, olive green "Safari" and gold (shown with built-in hood); ELC & ELW versions
- Number of lenses /groups - 7 / 6
- F stop range - f/1.4 - f/16 in half-stops
- Closest focusing distance - 50 cm / 1.64 ft
- Smallest object field - 180 x 270 mm
- Diaphragm setting /type - 6-blade
- Angle of view diagonal - 45 degrees
- Filter type - E55
- Accessories - Hood: 12508 until ca. 2806978 when built-in hood became standard
- Materials -
- Dimensions length x diameter - 50.6 x 68.5 / 1.99 x 2.7 in
- Weight - 395 g / 13.9 oz
- Inscriptions - SUMMILUX-R 1:1.4/50 LEITZ CANADA 2XXXXXX
SUMMILUX-R 1:1.4/50 LEITZ WETZLAR 3XXXXXX
SUMMILUX-R 1:1.4/50 E 55 3XXXXXX LEICA - Designer - Heinz Marquardt - December, 1967
Comment
50mm f/1.4 Summilux R I Serial Numbers
Serial numbers compiled from known lenses and Puts Pocket Pod.pdf| SN Start | SN End | Product | Year | Total |
|---|---|---|---|---|
| 2411021 | 2411040 | 50mm f/1.4 Summilux R | 1970 | 20 |
| 2470501 | 2472500 | 50mm f/1.4 Summilux R (3-cam.black) | 1971 | 2000 |
| 2475001 | 2477000 | 50mm f/1.4 Summilux R (2+3-cam.black) | 1971 | 2000 |
| 2492051 | 2494050 | 50mm f/1.4 Summilux R (2-cam.black) | 1971 | 2000 |
| 2515501 | 2517550 | 50mm f/1.4 Summilux R (3-cam.black-11675) | 1972 | 2050 |
| 2805401 | 2807400 | 50mm f/1.4 Summilux R (3-cam.safari+black) | 1976 | 2000 |
| 2845051 | 2847050 | 50mm f/1.4 Summilux R (3-cam.safari) | 1977 | 2000 |
| 2899801 | 2902800 | 50mm f/1.4 Summilux R (black+safari) | 1978 | 3000 |
| 2931101 | 2933100 | 50mm f/1.4 Summilux R (black+gold.3-cam) | 1978 | 2000 |
| 2952501 | 2954500 | 50mm f/1.4 Summilux R (11776) | 1978 | 2000 |
| 2999999 | 3000001 | 50mm f/1.4 Summilux R | 1979 | 3 |
| 3032801 | 3033900 | 50mm f/1.4 Summilux R | 1980 | 1100 |
| 3076801 | 3077800 | 50mm f/1.4 Summilux R | 1980 | 1000 |
| 3114701 | 3115700 | 50mm f/1.4 Summilux R | 1981 | 1000 |
| 3169001 | 3171000 | 50mm f/1.4 Summilux R (ELW) | 1982 | 2000 |
| 3231301 | 3233300 | 50mm f/1.4 Summilux R | 1982 | 2000 |
| 3290401 | 3292400 | 50mm f/1.4 Summilux R (11776) | 1983 | 2000 |
| 3295201 | 3296200 | 50mm f/1.4 Summilux R (+gold) | 1984 | 1000 |
| 3386001 | 3388000 | 50mm f/1.4 Summilux R | 1986 | 2000 |
| 3498201 | 3499999 | 50mm f/1.4 Summilux R (11777) | 1989 | 1799 |
| 3500001 | 3500074 | 50mm f/1.4 Summilux R | 1989 | 74 |
| 3500075 | 3500075 | 50mm f/1.4 Summilux R | 1989 | 1 |
| 3500076 | 3500149 | 50mm f/1.4 Summilux R | 1989 | 74 |
| 3500151 | 3500200 | 50mm f/1.4 Summilux R | 1989 | 50 |
| 3609180 | 3609679 | 50mm f/1.4 Summilux R | 1992 | 500 |
| 3633401 | 3633900 | 50mm f/1.4 Summilux R (11777) | 1993 | 500 |
| 3676531 | 3677030 | 50mm f/1.4 Summilux R | 1994 | 500 |
| 3702552 | 3702702 | 50mm f/1.4 Summilux R | 1995 | 151 |
| 3729291 | 3729790 | 50mm f/1.4 Summilux R | 1995 | 500 |
| TOTAL | ASSIGNED | SERIAL NUMBERS | 1970-1995 | 35,322 |
Lens superseded by 50mm f/1.4 Summilux-R II
