kiewa Valley stereo
Medium Format 3D Viewer

Medium format viewer

Lens specifications:
80mm achromatic doublet, 40mm diameter

Focus adjustment:
+3 diopter to -4 diopter nominal

Interocular adjustment:
Not required for the given lens diameter

Type of illumination:
2 x 12 Volt, 10 Watt halogen lamps, colour corrected, with flashed opal glass diffuser

3mm and 6mm MDF board glued, and finished in hammer tone enamel

Formats supported:
External slide dimensions 132mm x 80mm; aperture dimensions up to 53 x 53 mm

Description of viewer:
An in-depth description and construction comments about this viewer are located at

Are these viewers for sale?:
Not for sale

Availability of plans:
Plans located at

Back to Medium Format Viewers Gallery.