Ealing / Beck 50mm / 0.08 n.a. Long-Distance
$60.00
This Beck objective is marked only with its focal length (50mm) and the numerical aperture (0.08). The objective was intended for use on long focal length microscopes or telescopes. The thread is standard RMS. Objective aperture is approximately 13mm.
The lens is in excellent condition (no flaws visible in the glass) and comes in a Cooke, Troughton & Simms capsule. These objectives were often employed in cathetometers and coordinate measuring instruments.
Photo set 1971
***MPN
***OEM Ealing / Beck
***SKU*** 30175
2 in stock
Description
Description
This Beck objective is marked only with its focal length (50mm) and the numerical aperture (0.08). The objective was intended for use on long focal length microscopes or telescopes. The thread is standard RMS. Objective aperture is approximately 13mm.
The lens is in excellent condition (no flaws visible in the glass) and comes in a Cooke, Troughton & Simms capsule. These objectives were often employed in cathetometers and coordinate measuring instruments.
Photo set 1971
***MPN
***OEM Ealing / Beck
***SKU*** 30175
Additional information
Additional information
| Dimensions | 4 × 4 × 4 in |
|---|
