Leitz Epis 4.3/500mm Projector lens

Lot of Leitz Wetzlar projection optics – EPIS 1:4.3/500mm + internal lens group for episcopes – Germany, 1950s/1970s

Auction listing: an interesting lot consisting of original optics for episcopes, including a significant objective signed Ernst Leitz Wetzlar, sourced from vintage teaching/scientific equipment.

Contents of the lot:

1) Leitz Wetzlar EPIS 1:4.3 / 500mm objective
Large professional projection lens designed for episcopes and epidiaskopes.
- Brand: Ernst Leitz Wetzlar (Germany)
- Model: EPIS
- Focal length: 500 mm
- Aperture: f/4.3
- Fully metal construction, large-diameter lens
- Production: around the 1950s–1970s

These optics were used for projecting images and paper documents using high-intensity light sources.

2) Group of condenser lenses / internal optics for episcopes
Second item composed of multiple glass lenses mounted in the original framework.
- Function: concentration and distribution of light in episcopes
- Mounted in a frame with supports (likely original to the device)
- Notable diameter, thick glass and high optical quality
- Type: condenser lenses (non-photographic)

Conditions:
- Overall good condition for the age
- Signs of time, dust and signs of use present
- Glass generally in good condition, possible micro-scratches on the surface
- Not tested on equipment

Provenance:
The optics come from an episcoscope (likely Waltz/Leitz), instruments used in educational and technical settings between the 1950s and 1970s for projecting opaque materials.

Notes:
Ideal items for optical instrument collectors, experimental photography or creative use (projection lens), as well as for vintage industrial design elements.

Shipping:
Careful packaging and protection, given the delicacy and weight

Any duties/customs fees are the responsibility of the buyer!!