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2. Enlarger - Wikipedia

   en.wikipedia.org/wiki/Enlarger

   All enlargers consist of a light source, normally an incandescent light bulb shining though a condenser or translucent screen to provide even illumination, a holder for the negative or transparency, and a specialized lens for projection, though some, such as the Rapid Rectilinear or Aplanat [citation needed] could be used in both camera and enlarger.

3. Solar camera - Wikipedia

   en.wikipedia.org/wiki/Solar_camera

   A number of photographers, inventors and photographic businesses contributed to the design development of the solar camera. An antecedent was the solar microscope of c.1740, [5] employed in experiments with photosensitive silver nitrate by Thomas Wedgwood and Humphry Davy in making the first, but impermanent, photographic enlargements.

4. Photo-crayotype - Wikipedia

   en.wikipedia.org/wiki/Photo-crayotype

   The first involved printing a light photographic positive on salted paper using a toned or bleached negative to lower the contrast. The other, producing what is generally referred to as a “crayon enlargement”, [2] [3] was to use a magic lantern to project the photograph onto the rear of drawing paper or a canvas. [4]

5. Photographic processing - Wikipedia

   en.wikipedia.org/wiki/Photographic_processing

   Photographic processing or photographic development is the chemical means by which photographic film or paper is treated after photographic exposure to produce a negative or positive image. Photographic processing transforms the latent image into a visible image, makes this permanent and renders it insensitive to light.

6. Magnification - Wikipedia

   en.wikipedia.org/wiki/Magnification

   This enlargement is quantified by a size ratio called optical magnification. When this number is less than one, it refers to a reduction in size, sometimes called de-magnification . Typically, magnification is related to scaling up visuals or images to be able to see more detail, increasing resolution , using microscope , printing techniques ...

7. Contact print - Wikipedia

   en.wikipedia.org/wiki/Contact_print

   Contact print of a photo film cut in pieces, used for reviewing and selecting images for the final print. Photo by Paolo Monti, 1975. Contact printing is a simple and inexpensive process. Its simplicity avails itself to those who may want to try darkroom processing without buying an enlarger.