| Topic: |
Meopta Anaret and
Meogon Enlarging Lenses |
|
Author/Copyright:
|
John Jovic
|
Meopta Anaret, Belar and
Meogon enlarger or enlarging lenses were made by Meopta in
Czechoslovakia.
The sales brochure or catalogue below shows the specifications for a
range of Meopta Anaret and Meogon enlarger or enlarging lenses. The exact date of the brochure is not know but
probably around 1980 according to the source of the document. The
document was kindly supplied by Robert Vonk (owner of the
http://www.fotohuisrovo.nl (opens in new window) in the
Netherlands).
 |
|
Sales brochure for Meopta lenses[1]. |
Specifications
The specifications from the above marketing document have
been transcribed to the table below. Where specifications are provided
from other sources
they are referenced accordingly.
| |
Anaret
30mm f 4.5 |
Belar
50mm f 4.5 |
Anaret
50mm f4.5 |
Anaret "S"
50mm f4.5 |
Anaret
80mm f4.5 |
Anaret "S"
80mm f4.5 |
Anaret
90mm f4.5 |
Anaret
105mm f4.5 |
| Focal Length (mm): |
30 |
50 |
50 |
50 |
80 |
80 |
90 |
105 |
| Maximum aperture (F): |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
| Lens construction (elements - groups): |
4-3 |
4-3 |
4-3 |
4-3 |
4-3 |
4-3 |
4-3 |
4-3 |
| Angle of coverage: |
|
|
|
|
|
|
|
|
| Recommended negative size (mm): |
13x17 |
24x36 |
24x36 |
24x36 |
60x60 |
60x60 |
60x70 |
65x90 |
| Minimum aperture (F): |
|
|
|
|
|
|
|
|
| Designed magnification: |
|
|
|
|
|
|
|
|
| Useful magnification range: |
|
|
|
|
|
|
|
|
| Achromatized wavelength range (nm): |
|
|
|
|
|
|
|
|
| Distortion at basic magnification (%): |
|
|
|
|
|
|
|
|
| Focal length design value (mm): |
|
|
|
|
|
|
|
|
| Barrel outer diameter A (front) (mm): |
|
|
|
|
|
|
|
|
|
Flange mount thread size: |
M23.5x0.5 |
M23.5x0.5 |
M23.5x0.5 |
M39x1 |
M23.5x0.5 |
M39x1 |
M39x1 |
M39x1 |
|
Filter size (mm) |
|
|
|
|
|
|
|
|
| Barrel outer diameter B (rear) (mm): |
|
|
|
|
|
|
|
|
| flange focal length (mm): |
|
|
|
|
|
|
|
|
| Back focal length (mm): |
|
|
|
|
|
|
|
|
Distance from flange surface to the
second principal point (mm): |
|
|
|
|
|
|
|
|
| Principal point spacing (mm): |
|
|
|
|
|
|
|
|
| Total length (mm): |
|
|
|
|
|
|
|
|
| Weight (g): |
|
|
|
|
|
|
|
|
|
Coating: |
|
|
|
|
|
|
|
|
|
|
|
| |
Meogon
50mm f 5.6 |
Meogon
60mm f 5.6 |
Meogon "S"
80mm f 4 |
Meogon "S"
50mm f 2.8 |
Meogon
80mm f 2.8 |
|
Focal Length (mm): |
50 |
60 |
80 |
50 |
80 |
|
Maximum aperture (F): |
5.6 |
5.6 |
4 |
2.8 |
2.8 |
|
Lens construction (elements - groups): |
6-4 |
6-4 |
6-4 |
5-4 |
5-4 |
|
Angle of coverage: |
|
|
|
|
|
|
Recommended negative size (mm): |
24x36 |
40x40 |
60x60 |
24x36 |
60x60 |
|
Minimum aperture (F): |
|
|
|
|
|
|
Designed magnification: |
|
|
|
|
|
|
Useful magnification range: |
|
|
|
|
|
|
Achromatized wavelength range (nm): |
|
|
|
|
|
|
Distortion at basic magnification (%): |
|
|
|
|
|
|
Focal length design value (mm): |
|
|
|
|
|
|
Barrel outer diameter A (front) (mm): |
|
|
|
|
|
|
Flange mount thread size: |
M39x1 |
M39x1 |
M39x1 |
M39x1 |
M39x1 |
|
Filter size (mm) |
|
|
M39x1[pc] |
|
M39x1[pc] |
|
Barrel outer diameter B (rear) (mm): |
|
|
|
|
|
|
flange focal length (mm): |
|
|
|
|
|
|
Back focal length (mm): |
|
|
|
|
|
Distance from flange surface to the
second principal point (mm): |
|
|
|
|
|
|
Principal point spacing (mm): |
|
|
|
|
|
|
Total length (mm): |
|
|
|
|
|
|
Weight (g): |
|
|
|
|
|
|
Coating: |
|
|
|
|
|
|
|
References |
|
|
|
|
[pc] |
Photo Cornucopia. Measured or personally
observed by the Author. |
|
[1] |
Merkuria, Anaret Meogon (Praha 7, Merkuria, nd) |
|
|
|