ELCAT: Difference between revisions

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***'''Distance to camera''' - 26.7 to 31cm
***'''Distance to camera''' - 26.7 to 31cm
[[File:BEVOR.jpg|300px]]
[[File:BEVOR.jpg|300px]]
*'''Related close-up lenses''' - [[ELPRO]] for 5 cm Elmar
*'''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 :
**'''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
***'''Object size''' - 21 x 31cm to 42 x 63cm
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***'''Object size''' - 8.4 x 12.5cm to 10.7 x 16.1cm
***'''Object size''' - 8.4 x 12.5cm to 10.7 x 16.1cm
***'''Distance to camera''' - 26 to 31cm
***'''Distance to camera''' - 26 to 31cm
 
(Note: not to be confused with similar lenses for R-cameras - see [[ELPRO]])
*'''For''' [[Hektor f= 5 cm 1:2.5]] '''&''' [[Summar f= 5 cm 1:2]] '''lenses'''
*'''For''' [[Hektor f= 5 cm 1:2.5]] '''&''' [[Summar f= 5 cm 1:2]] '''lenses'''
**'''No. 1 - HEPRO'''
**'''No. 1 - HEPRO'''

Revision as of 01:20, 11 June 2011

ELCAT.jpg

  • 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 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

BEVOR.jpg

  • 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 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

(Note: not to be confused with similar lenses for R-cameras - see ELPRO)

  • 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 Leica 1984 Accessory Guide courtesy of Mike Butkus.