falcom Posted October 26, 2017 Report Share Posted October 26, 2017 (edited) Super Deal at $700 shipped Startron MK428R Night Vision Riflescope. Uses PVS-4 housing, image intensifier and eyepiece and Startron (now FLIR) objective lens. Good used condition. Uses AA batteries and 1 CR123. Has Leopold scope mount installed but I will include a military picatinny mount with torque fastener. I believe this is the correct data for the objective lens.this is the lens. 5.1 power LENS SYSTEM: Optical Systems Technology's Star-Tron® 135 mm focal length, f/1.6 catadioptric objective lens, is intended for passive night-vision use. The optical design is a fast f/1.6 in a package with a total length of only 3.5” and a weight of 520 grams. The design exhibits low chromatic aberration, and provides crisp imagery over its full 450-910 nm (extended blue) operating range. It is compatible with both 2nd and 3rd generation intensifiers. Vacuum and immersion testing were used to refine the sealing and produce a dry-nitrogen-purged lens, environmentally sealed and designed and tested to withstand water immersion to a depth of 3 feet. Ports are included for the user to purge the lens as well. Product Specifications: Optical System magnification (w/26.5mm ocular) 5.1 x Field of view (18mm format) 6.0 degrees Resolution >200 lp/mm Objective lens f/number 1.6 Objective lens operating wavelength band 450 to 910 nm System focus range (w/std. hardware) 8 m to infinity Dimensions Lens diameter 10 cm (3.9") Lens length 8.9 cm (3.5") Weight (Lens only, Aluminum Housing) 520g (1.1 lbs.)Super deal at $700 shipped. Edited October 26, 2017 by falcom spelling Link to comment Share on other sites More sharing options...
Funtogun Posted October 26, 2017 Report Share Posted October 26, 2017 Message Sent, I'll take it at the 700.00 shipped. Link to comment Share on other sites More sharing options...
Recommended Posts