ELPRO: Difference between revisions

Revision as of 00:58, 10 June 2011

Names - Type 1 (16541) - Type 2 (16542) - Type 3 (16543) - Type 4 (16544)
Use - Close-up attachments lenses for R-lenses 50 mm f/2, 90 mm f/2.8 and 135 mm f/2.8
Mount - to fit in filter thread of lens and similar sizes may be stacked for greater magnification
Evolution
ELCAT - 1928 for 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
- 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 - Laney's 1984 Accessory Guide see pages 30 and 40 for other versions
Forum discussion
- [1]
- [2]
- [3]
- [4]
- Fontenelle archive

@@ Line 4: / Line 4: @@
 *'''Mount''' - to fit in filter thread of lens and similar sizes may be stacked for greater magnification
 *'''Evolution'''
-**[[ELCAT]] - 1928
+*[[ELCAT]] - 1928 for 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
 **'''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