Binocular NIGHT VISION TKN-1S TKN-1C Tank Periscope Russian Army Optic. Item for collectors only. Used in VEHICLE: BRDM-2, SKOT, TANK T55. Clear view: 250 – 300 meters – Peripheral optical system: one-eyed – field of view: 10º – magnification: 2.75 x – periscope: 200 mm – focal length of the object: 100 mm The TKN-1S is a retrofit of the TKN-1. The difference is that the “S” version no longer requires connection to the external voltage converter, it is immediately connected to the 24 V onboard system. Periscopes have storage traces. They may hit another production or another color. Dimensions of the night vision: 32 x 27 x 16 cm Box dimensions: 32 x 36 x 24 cm Night Vision Weight: 5 kg Box weight: 11 kg. The item “RARE Binocular NIGHT VISION TKN-1S TKN-1C Periscope Russian Army Optic” is in sale since Friday, October 06, 2017. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Opticals”. The seller is “tdm_electronics” and is located in Tarczyn. This item can be shipped worldwide.