SU11792A1 - A device for determining exposure when photographing - Google Patents

Description

ILpeparaeiibiE -Ilibor, pre-aaaaadeny, determine the three fs raft, and: u) is a non-small photographic apparatus, divided by nine different objects with different light intensity for the same distance. Trial snumzh. Prgavodita on pdasgizhzhe. This film, or the appearance of Yotoroy applied tank. Pramogsha advance is determined by the most perfect way of nine negative images obtained from the iofeofi plate or PLBYKA.

  In the schematic drawing of FIG. 1 depicts a V1GD prbbor scherer; FIG. 2 - longitudinal equilibrium with boron.

The device consists of a small box .4 divided by feathers B into nine boats (10 X 15 mm), each with a lens B (l - because of the focal position in mm) with a rafrag, and the focal length lenses are the same, and the apertures are routed in order of height. All lenses B are closed with a general shutter D in the form of a shutter with a center screw hole. A box of negative films with a spring and a slit 0 through which Exposure to the device is mounted on the H0510SchI holder 3 in the An aggimneal tank K, located under shop E and equipped with taps M and H for infusion and pouring out; n1y in it, ity, 1 and fixer. Before using a conventional camera, you can determine with the help of a device using this device (magaeia E Places & the same sensitivity as the plate charged by the IB photoinarate, and exposes it for some time.After this, the laacfraHiKa is pushed by the holder 3 into the tank K, where the developer is poured, and then the fixer. On the appearance of negative choose the most perfect of the nine) images and according to the corresponding eiry EXCELLENT, UI, as a special feature, required by exsipro. In the same way, one can press the lie of the EXPOZEHTSGai with “him, holding it in front of the lenses B.

The subject of the patent.

A device for shredding exposure at a picture, characterized by the fact that ICOCTOBT is designed: a) nine lenses with one distance, but with different raframash, installed in the general box A to select after exposure the full size of the box and the size of the box, it would be the same. , b) stores E and even pisinok or ileik, c) ipiacimb of the bottom NOY box for the wire tarpaulin) bava K f t) of the holder 3, which is used for iryutalki ili shashka (or (then the shooting in the display box).

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