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Description
MTO-11CA 10/1000 (mirror type/ without diaphragm) Telephoto Lens.
MTO-11CA 10/1000 Telephoto Lens
"CAUTION" these lenses may not work on all 35mm cameras with built in flash or other protruding devices on the front. The MTO-11CA 10/1000 telephoto lens diameter at the mounting flange is 126 mm or 63 mm radius. Measure your camera from the center of the lens mount to determine if any camera part extends more than 4 mm in front of the mounting ring within this radius.
MTO-11CA 10/1000 Telephoto Lens Specifications:
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Focal length, mm
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1000 |
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Maximum aperture
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f10 |
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Angle of view, deg.
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2,5 |
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Focusing range, m
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8 - inf |
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Working distance, mm
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45,5 |
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Camera mount thread
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M42 x 1 |
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Connecting thread for light filters, attachments and lens hood
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M116x1 |
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Resolution, mm-1, min.: - in centre - off centre
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37 28 |
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Light-transmission factor, min.
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0,77 |
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Light-diffusion factor, max.
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0,03 |
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Overall dimensions, mm, max.
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Diam. 126 x 238 |
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Weight, kg, max
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1,95 |
Adapter ring for Canon EOS
For using Canon EOS cameras with M42 lenses (Praktica, Zenit). Metric scale M42 keeps its meanings due to compensation of the flange bases difference. Therefore focusing can be to infinity.
You should remember that the pusher with the fixed ring doesn’t work, so diaphragm control of the lens is set manually. This adapter can work with lenses having both only automatic diaphragm (A) and selector A/M (automatic/manual diaphragm). It is possible to use Macro rings and other accessories.
Settings:
- Put red marks of the adapter and lens collar together.
- Turn the adapter clockwise till the fixative click.
- Set M42 lens.
Removing:
To remove the adapter you should unpress fixative pin and turn the adapter anticlockwise.
Note:
Working with M42 lenses acknowledgement of the focusing with green light is not made. The aperture is set «0.0». Expo-modes:
- P (program) – identical to Av mode;
- Tv (flash priority) – doesn’t work;
- Av (diaphragm priority) – works as usual;
- M (manual) – aperture and flash are changed. Inaccuracy of exposure defining is indicated by expo-correction.
See also: M42x1 Canon EOS Adapter with electronic focus confirmation | Adapter ring for Canon FD | Canon EOS Lenses
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