الطبع الملامس للصور الملونة .. كتاب التصوير الملون ، الكاتب عبد الفتاح رياض

Chapter VIII

Print and enlarge color photos using

Multi-layered colored delicate papers

Contact printing for color images. In the cases where you would like us to print the colored images, of course, by contact (with the same size as the negative), it is better to place both the negative images and the multi-layered colored positive paper in a contact printing frame, then the exposure is done after placing the frame on the base of the enlarging board, facing the lens. Then the light is ignited in the enlarger after the necessary filters for color correction are placed in it. It is recommended to follow this method in order to facilitate work and color correction without the need for special devices for touch printing! colorful pictures.

Color photo printing and enlarging devices.

A device for printing or enlarging color images in its main parts is not much different from the devices used in black and white printing and enlarging operations, but there are special requirements required in that equipment for color imaging, and we summarize them as follows:

Placing filters in the magnifier: It must prepare a place for placing color correction filters, so that all light rays that pass through the magnifier must be prepared. The source emits it through these filters (Fig. 65). In color image enlarging devices by ellipsis, these filters are placed in a drawer between the light source and the condenser in some types of amplifiers (Fig. 66), and there may sometimes be a special lighting house for the amplifier.
A lamp that emits a lot of light energy

A filter that absorbs the heat of the lamp

Any of these will work

Places three status filters

(fig. 65)

Different places that are suitable for placing filters in positive color image enlargers

(Fig. 66) A place was prepared for the necessary filters to correct the enlarged images by deletion

(1) A filter that absorbs heat (B) A tray that allows carrying two filters to control the color of the rays passing to the sensitive paper (E) A lens for the magnifier specially suitable for color photography

(c) an optical condenser

(d) Holder negative

A set of filters necessary for color correction are installed in it, so that the color of the rays can be controlled by turning three buttons (Fig. 67).