Pulsar PL76426 Apex XD50A Thermal Scope 2-8x 42mm 50 Hz The Apex XD50A thermal weapon sight has a 1,400 yard detection range and three modes of image processing - rocks, forest, identification, and 384x288p microbolometer resolution with a 50hz refresh rate. With 2-8x magnification, the Apex XD50A has a 4x digital zoom with continuous zoom 1x, 2x, 4x stepped zoom. It has 10 preloaded electronic reticles. The Apex50 has one-shot zeroing with freeze function, remembers three zeroing parameters and can be set for manual, automatic, and semi-automatic calibration modes. It has a high resolution LCD display, defective pixel repair feature, video output, and is adaptable for use of an external power supply. It is rated IP67 to be 100 percent dustproof and submergible to 1m for an hour. The Apex XD50A Thermal Weapon Sight includes a wireless remote control, adapter cable, batteries (two CR123), carrying case, and cleaning cloth. Magnification: 2-8x Objective: 42mm Type: Thermal Scope Battery: CR123A Lithium (2) Dimensions: 343x80x75mm Weight: 24.7 oz Resolution: 384x288 Pixels Diopter Adjustment: -4 to +3.5 Controls: Manual, Automatic, Semi-Automatic Battery Life: 5 Hours