Home (Ester base)
Home  
 
 
Home » Photography » Ester base


 

Ester base

Photography Equivalent focal lengthEtch

The cibachrome process utilized a stable polyester base and a dye destruction technique to produce visually striking, relatively long lasting, and accurate color reproductions of positive originals.

 


The prints are made on a dimensionally stable tri-acetate polyester base, essentially a plastic base opposed to traditional paper base. Since it uses azo dyes on a polyester base, the print will not fade, discolor, or deteriorate for a long time.

Ilford at one time made HP5 black and white film on a thin polyester base, which allowed 72 exposures in a single cassette. They produced special reels and tanks to allow this to be processed.

frilling
describes (indirect film) gelatin emulsion which is falling off of its polyester base due to lateral swelling in the hardening bath, caused by weak chemistry or too high temperature.
fringe
refer to halo.

With stunning sharpness, color intensity, clean whites, and critical accuracy to the original slide, Cibachrome prints made on a dimensionally stable tri-acetate polyester base, not paper; are archival, will not fade, ...

Spotting super-glossy Polyester base papers such as Ilfochrome requires a little more effort.

See also: Print, Color, Negative, Camera, Photography

Photography Equivalent focal lengthEtch

 
 rssRSS