Industar 61L/Z Lens
Description:
Industar 61L/Z Lens serves as an interchangeable lens for the Zenit
still cameras with a curtain shutter and manual aperture control, belongs to
the type of universal lenses, gives good results and features a uniform distribution
of resolution off centre.
Industar 61L/Z Lens Specifications:
| Focal length, mm |
50 |
| Maximum aperture |
f2,8 |
| Angle of view, deg. |
46 |
| Focusing range, m |
0,3 - inf |
| Aperture range |
f2,8 to f16 |
| Working distance, mm |
45,5 |
| Camera mount thread |
M42 x 1 |
| Mount-thread for screwed-in attachements |
M49 x 0,75 |
Resolution at infinity distance,mm-1,
min
- in centre
- off centre |
44
30 |
| Light transmission factor, min |
0,92 |
| Light diffusion factor, max |
0,015 |
| Overall dimensions, mm |
Diam. 57 x 59 |
| Mass, kg, max |
0,225 |
To be used on Nikon D40, D50, D70, D80, D200, D2Xs, D2Hs, D2X,
D1H, D1X cameras.
Jolos TM Mount
Adapter Nikon/M42 with Lens
For using Nikon cameras with M42 lenses
(Praktica, Zenit). Set on the adapter high-quality lens Jolos let you compensate
flange bases difference of all the M42 lenses completely. So focusing can be
to infinity. It is actually for those who use wide-angle lenses (for example,
Zenitar-M 16/2.8, Mir 20M and others). He high quality of the pictures is guaranteed.
You should remember that extension
ring doesn’t work, diaphragm control 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. Approximate
focal lengths: 50mm-1,5m; 85mm-3,5m; 135mm-6m.
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 is not made. The aperture
is not set. 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.
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