أفلام أورفو كلور الرفرسال .. كتاب التصوير الملون ، الكاتب عبد الفتاح رياض

Third: Orpho chlorine reversal films

Orfo film factories open the following color reversal films (1):

- For still photography, for photography in the light of photoflood lamps. Sensitivity speed 14 DIN. It is possible to make copies of these transparent colored images, of course, on the appropriate materials. We will come back to explain it in the fourth part in the matter of printing and color enlargement. As for the 16 UT film only, it is also made as flat films according to the following dimensions:

ORWOCOLOR Reversal Film UT 16 For shooting under daylight, blue flashlight or electronic flashlight - sensitivity speed 16 DIN.

ORWOCOLOR Reversal Film UT 14

The films shown above are made according to the following standards: as miniature films (35 mm), 36 images.

As a roli film, reel size (120) » » » (620

(1) It also produces colored reversal film, which is no longer for filming directly by the machine, but is prepared to be printed on from reversal colored films to make other copies of it. And the name of this film is Orwocolor Reversal Printing film UDI. And in showing it, it is treated in the same way and the steps used for reversal films, which will be mentioned in Article 230.

Substandard cine film Orwocolor Reversal Film UT 13 (1)

For color imaging in daylight, and after displaying it using the reversal method, we get positive images prepared for viewing directly (one copy only). Sensitivity speed 13 DIN Made in size 82 mm, spooled on both sides, with a length of 7.5 meters in a reel. Prepare to pack in the camera in daylight

daylight spool. Its sensitivity is 13 DIN

Orwocolor Reversal Film UT 16 (~) is exactly like the previous film. However, in addition to what has been mentioned above, it is also manufactured according to the following dimensions:

16 mm, bundled on bobbins intended for packing in daylight, length 15 m, 30 m and 8 mm, baler wrapped on bobbins prepared for packing in daylight - length 15, 30 m, speed, sensitivity 16 DIN -

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Orwocolor Reversal Film UK 14

For color photography under photoluminescent lamps, its sensitivity is 14 DIN. And after displaying it in the reversal method, you will get positive images prepared for display directly (one copy only).

It is made according to the sizes shown below: - 16 mm perforated; Ali Bakr for packing in the camera in daylight (15, 30 meters) e (7 meters) in a cassette - 10 meters long. AXY a

Orwocolor Reversal Substandard Film UK 18;

It is a movie modified (D) for filming in artificial light using machines whose dimensions are less than 35 mm. It leads to honest, bright, saturated colors. The images are fine-grained and sharp in detail. After showing this film by way of Reversal processing, positive direct images are produced that are suitable for projection. Colors tend to be warm (2) Warm colors, especially yellow and red

This film is considered a fast-sensitive color film. It is equal to black and white film, its sensitivity is 18 DIN, or ASA, or 32 Gost

(1) It is usual in cinematographic work to give the name (substandard) to all films whose dimensions are less than 35 mm, such as 16 mm, 5, 9, and 8 mm. from this book.

This film is made according to the following dimensions: 16 mm perforated. Mafof on reels prepared for packing in the light of day. Film length on

The reel is 15 meters or 30 meters. Milli: Perforated for shooting in 8-mm machines. Rolled on reels prepared for packing in light, perforated, 3 films packed together, the length of each film 9 meters. ,

During the day, the length of the film on the reel is 7.5 meters. Milli: Muharram, packaged in cassettes containing a film of 10 meters in length.

The order of the layers involved in the composition of the previous reversal films

(1) An upper layer that is sensitive to blue rays and bears yellow color problems.

(2) A layer of yellow filter. (3) A layer that is sensitive to green rays and bears scarlet color problems. (4) D e red cyan (0) blue anti-halo. (6) Film support.