Schneider projection/enlarging lens with five-element Heliar design and colour correction.
The Schneider 75mm f/2.5 Color Heliar is a projection or enlarging lens featuring the five-element Heliar optical design adapted for colour-corrected projection work. The Heliar formula is celebrated for its optical quality, and the colour correction ensures accurate chromatic reproduction when projecting colour transparencies or enlarging colour negatives.
Optical quality is very good for its intended projection and enlarging application, with flat-field performance and the colour accuracy the Color designation promises. The f/2.5 aperture provides a bright projected image. The Heliar five-element design delivers sharper results than simpler three or four-element projection alternatives.
Build quality is solid Schneider industrial quality with a metal barrel and smooth aperture ring. The lens is designed for mounting in projectors or on enlarger lens boards via standard thread fittings. Schneider's reputation for optical excellence extends across their projection and enlarging lens range.
On the used market, the Schneider Color Heliar appeals to projection enthusiasts maintaining vintage slide projectors and to photographers repurposing quality optical elements for macro photography, where the flat-field design and excellent resolution deliver excellent results at close working distances.