DN 510     Only the DN 510 - utilizes a specially designed unique optical system with 23 multicoated lenses. Our system features more than 2 - 2.5 times the light gathering ability and 2 times wider field of view than the competition. Equipped with the Gen. 2+ or 3 image intensifier tube, the DN-510 provides perfect viewing comfort and a great performance of day and night channels in low light situations. Unique high quality specialty day/night optics (F/2.0), ensuring: - Long range of vision (450-1000 m at low levels of light exposure and more than 100-250 m for no-light situations with IR illuminator) - Effective use under star lights (10-3 Lx) and night cloudy sky (10-4 Lx) - Wide field of view - variable power - Wide range focus adjustment - Comfort of observation - Interchangeable day and night eyepieces maintain rifle's zero - Long range of vision - Precision internal windage / elevation adjustments - Water resistant - Optional powerful IR illuminator (35, 75 or 200 mW) Specifications Image Intensifier Tubes (IIT) Magnification Field of view Objective lens focal length, mm Eye relief, mm Dioptric correction Operating temperature, °C Windage/elevation adjustment step, MoA Windage/elevation adjustment range, MoA Power supply Battery life, hours Dimensions, mm Weight, kg DN 510 Day Night Gen, 2+ or 3 3.6 - 6.0 3.7 - 73 10.0° to 5.2° 100/F2.0(at 3x) 45 -4...+2 -40°C to +55°C ¼ 150 (600 clicks) CR123 Over 60 340x78x74 0.97 1.10