ELCAT
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- Production era - 1928-1930
- Type - No. 1 supplementary front close-up lens for Compur Leica (model B) with 1:9 maximum reduction at 39 1/2 - 21 3/4 inch range.
- Evolution
- Close-focus series for early Compur lenses
- ELCAT
- Reduction - 1 /9
- Distance to camera - 55 / 100cm
- ELCOM
- Reduction - 1 /6
- Distance to camera - 39.4 / 55cm
- ELCUR
- Reduction - 1 /3.6
- Distance to camera - 26.7 / 31cm
- ELCAT
- Close-up lenses for 5 cm Elmar
- No. 1 - ELPRO and related lenses originating about 1930, are used for close-up photography for Elmar (I) f= 5 cm 1:3.5 used with BEHOO type adjustable legs. Because legs are attached to the leading edge of the lens they can be rotated with the camera when taking a picture. From the 1933 catalog :
- Object size - 21 x 31 / 42 x 63cm
- Distance to camera - 55 / 100cm
- (Note: not to be confused with similar lenses for R-camera usage - see ELPRO)
- No. 2 - ELPIK
- Object size - 14 x 20.5 / 21.5 x 32cm
- Distance to camera - 29 / 55cm
- No. 3 - ELPET
- Object size - 8.4 x 12.5 / 10.7 x 16.1cm
- Distance to camera - 26 / 31cm
- No. 1 - ELPRO and related lenses originating about 1930, are used for close-up photography for Elmar (I) f= 5 cm 1:3.5 used with BEHOO type adjustable legs. Because legs are attached to the leading edge of the lens they can be rotated with the camera when taking a picture. From the 1933 catalog :
- For Hektor f= 5 cm 1:2.5 & Summar f= 5 cm 1:2 lenses - (21 mm thread diameter - see Forum discussion #[2] below)
- No. 1 - HEPRO
- Object size - 21 x 31 / 42 x 63cm
- Distance to camera - 55 / 100cm
- No. 2 - HEPIK
- Object size - 14 x 20.5 / 21.5 x 32cm
- Distance to camera - 29 / 55cm
- No. 3 - HEPET
- Object size - 8.4 x 12.5 / 10.7 x 16.1cm
- Distance to camera - 26 / 31cm
- No. 1 - HEPRO
- Reference - Page 40 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus.
- Forum discussion
