ELPRO
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- 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
- Accessories for Bellows-R
- Extension rings - the above close focusing lenses are used with extension rings and tubes for greater magnification :
- 16863 - 1970 - For
- 14259 Photar Adaptor-R - For Photar Lenses
- Extension rings - the above close focusing lenses are used with extension rings and tubes for greater magnification :
- Mount - to fit in filter thread of lens and similar sizes may be stacked for greater magnification
- 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
- Accessories
- Extension rings - the above close focusing lenses are used with extension rings and tubes for greater magnification :
- 14159
- 14139
- Extension rings - the above close focusing lenses are used with extension rings and tubes for greater magnification :
- Reference - Laney's 1984 Accessory Guide see pages 30 and 40 for other versions
- Forum discussion
