Accessories

Rotary Fore Objective

Product description: The Rotary Fore Objective is designed for prism angle difference, plane mirror parallelism and angular error measurement. It is suitable for autocollimation testing in optical assembly, metrology and
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Rotary Autocollimation Fore Objective

The Rotary Autocollimation Fore Objective is an optical measuring instrument featuring a dual-reticle eyepiece design for alignment and measurement tasks. It is designed for measuring prism angle differences, plane mirror parallelism errors, and angular deviations between optical components and assembly reference surfaces.

It is suitable for applications in metrology, precision manufacturing, optical laboratories, and optical instrument assembly and inspection.

旋转前置镜

Technical Specifications

Specifications	Rotary Fore Objective
Objective Focal Length	400 mm
Magnification	20^X
Exit Pupil Diameter	2.6 mm
Eye Relief	18 mm
Field of View	≥1°57'
Resolution	≤2.8 arcsec
Eyepiece Adjustment Range	±5 Diopters
Effective Aperture	Ø50 mm
Autocollimation Reticle Value	20"
Weight	18 KG