Optical objectives

 Optical objectives are important modules used in all types of electro-optical imaging systems: thermal imagers, night vision devices, VIS-NIR cameras, SWIR cameras, UV camers. Two types of optical systems (telescopic sights and binoculars) have found mass applications in both military and civilian applications.  Precision testing is needed by both manufactures and users of these optical modules or systems.

Inframet offers three main stations for testing optical modules/: ORI,  ORIFA, and ORIS.

ORI is a quasi universal test station of horizontal configuration that enables expanded testing of of optical objectives operating in all typical spectral bands: VIS, VIS-NIR, SWIR, MWIR, LWIR. At the same time high accuracy of measurements, high measurement speed and and user friendly test operation is offered. This universality makes ORI a perfect choice for both scientific institutes and manufacturers of wide range of optical objectives. Some of best in the world optical objectives for SWIR/MWIR/LWIR spectral bands have been developed using ORI test station. Ability of accurate tests for off axis positions is main advantage.

 

ORIS is a test station for testing short focal length optical objectives. This station enables measurement of all important parameters of optical objectives (MTF, resolution, effective focal length, distortion, vignetting, transmission, back focal length, flange focal length, depth of focus, field curvature, chromatic aberration) of optical objectives working in spectral bands: VIS and NIR.

ORIFA is a customized ORI station optimized for testing specific zoom objectives of folded design (typically U-turn design).

 

Fig.1. ORI system Fig.2. ORIS system

 Fig.3. ORIFA system

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