Accession No

1636

Brief Description

GW type 2 Mk 3 142˚ 3/8 inch focus lens, by R. and J. Beck Ltd., English, mid-20th Century

Origin

England; London

Maker

R. and J. Beck Ltd.

Class

optical

Earliest Date

1930

Latest Date

1955

Inscription Date

Material

metal (white metal, brass); glass

Dimensions

length 102mm; breadth 52mm; thickness 33mm

Special Collection

Provenance

Donated by Beck Ltd. in 1974.

Inscription

‘R & J G.W. TYPE 2 MK 3 889’ (front of lens)

Description Notes

White metal rectangular base supporting black-painted lens mount with wide-angle (fisheye-shaped) lens. Slot between lens and base (purpose unknown). Base also carries circular glazed aperture with engraved crosshairs. Base has six screwholes for mounting on camera.
Number L240 scratched on base.
Attached label reads ‘142˚ x 3/8 inch focus used on target aircraft camera. See note no. 4’.

Condition good; complete.

References

Events