
If you have a SLR camera and adapter rings, make a photocopy knizhnoi articles, magazine pages, or other reproductions not accounting for labor. However, the camera “Zenit-GP” with lens “Industar-50” for it is not very convenient: it is not easy to find him adapter rings with thread M39. 1, and make them very difficult. But, it turns out, to change the focal length of this device is possible without transition rings. Remove the lens and then unscrewing the four screws (3),— fpanel (1), on which the fastened to the vessel body (2). Turning the flange by the other side, again secure it in place with screws and screw in the lens. Now focal length will allow you to take pictures with 0.35 m, which is sufficient for reproduction.
A. NIZOVTSEV
Recommend to read
THE BOOT FOR ANY SEASON
When developing this design car trunk, the task was to create a device which, in addition to the normal daily functions would satisfy and lover of outdoor activities — would allow us to...
WHAT IS BLINKING ON THE TREE?
Among the variety of flashing Christmas lights increasingly popular get the "ultra simple", consisting... only of the LEDs. Instead of the usual piles of circuit design (with electronic...