ELCAT: Difference between revisions
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*'''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. | *'''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. | ||
*'''Variants''' - [[ELPRO]] for 5 cm Elmar and HEPRO for [[Hektor f= 5 cm 1:2.5]] | *'''Variants''' - [[ELPRO]] for 5 cm Elmar and HEPRO for [[Hektor f= 5 cm 1:2.5]] | ||
*'''Evolution''' | |||
*[[ELCAT]] - 1928-1930 for early Compur lenses | |||
**'''ELCAT''' | |||
***'''Reduction''' - 1 /9 | |||
***'''Distance to camera''' - 55 to 100cm | |||
**'''ELCOM''' | |||
***'''Reduction''' - 1 /6 | |||
***'''Distance to camera''' - 39.4 to 55cm | |||
**'''ELCUR''' | |||
***'''Reduction''' - 1 /3.6 | |||
***'''Distance to camera''' - 26.7 to 31cm | |||
[[File:BEVOR.jpg|300px]] | |||
**'''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 31cm to 42 x 63cm | |||
***'''Distance to camera''' - 55 to 100cm | |||
**'''No. 2 - ELPIK''' | |||
***'''Object size''' - 14 x 20.5cm to 21.5 x 32cm | |||
***'''Distance to camera''' - 29 to 55cm | |||
**'''No. 3 - ELPET''' | |||
***'''Object size''' - 8.4 x 12.5cm to 10.7 x 16.1cm | |||
***'''Distance to camera''' - 26 to 31cm | |||
*'''For''' [[Hektor f= 5 cm 1:2.5]] '''&''' [[Summar f= 5 cm 1:2]] '''lenses''' | |||
**'''No. 1 - HEPRO''' | |||
***'''Object size''' - 21 x 31cm to 42 x 63cm | |||
***'''Distance to camera''' - 55 to 100cm | |||
**'''No. 2 - HEPIK''' | |||
***'''Object size''' - 14 x 20.5cm to 21.5 x 32cm | |||
***'''Distance to camera''' - 29 to 55cm | |||
**'''No. 3 - HEPET''' | |||
***'''Object size''' - 8.4 x 12.5cm to 10.7 x 16.1cm | |||
***'''Distance to camera''' - 26 to 31cm | |||
*'''Reference''' - Page 40 of Dennis Laney's [http://www.cameramanuals.org/leica_pdf/leica_accessory_guide.pdf Leica 1984 Accessory Guide] courtesy of Mike Butkus. | *'''Reference''' - Page 40 of Dennis Laney's [http://www.cameramanuals.org/leica_pdf/leica_accessory_guide.pdf Leica 1984 Accessory Guide] courtesy of Mike Butkus. | ||
Revision as of 01:06, 11 June 2011
- 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.
- Variants - ELPRO for 5 cm Elmar and HEPRO for Hektor f= 5 cm 1:2.5
- Evolution
- ELCAT - 1928-1930 for early Compur lenses
- ELCAT
- Reduction - 1 /9
- Distance to camera - 55 to 100cm
- ELCOM
- Reduction - 1 /6
- Distance to camera - 39.4 to 55cm
- ELCUR
- Reduction - 1 /3.6
- Distance to camera - 26.7 to 31cm
- ELCAT
- 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 31cm to 42 x 63cm
- Distance to camera - 55 to 100cm
- No. 2 - ELPIK
- Object size - 14 x 20.5cm to 21.5 x 32cm
- Distance to camera - 29 to 55cm
- No. 3 - ELPET
- Object size - 8.4 x 12.5cm to 10.7 x 16.1cm
- Distance to camera - 26 to 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
- No. 1 - HEPRO
- Object size - 21 x 31cm to 42 x 63cm
- Distance to camera - 55 to 100cm
- No. 2 - HEPIK
- Object size - 14 x 20.5cm to 21.5 x 32cm
- Distance to camera - 29 to 55cm
- No. 3 - HEPET
- Object size - 8.4 x 12.5cm to 10.7 x 16.1cm
- Distance to camera - 26 to 31cm
- No. 1 - HEPRO
- Reference - Page 40 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus.
