The DI Optical FC1 Prismatic Red Dot Sight is virtually parallax-free and has 14 brightness settings for its 2 MOA dot. These Red Dot Sights by DI Optical are controlled by a single push-button and has an auto shut-off feature that preserves the already incredible 5,000 hours of battery life. The D.I. Optical FC1 Aluminum Red Dot Sight is housed in a solid block of 6061-T6 aircraft-grade aluminum and requires just 1.5in of rail space on your firearm, so it’s perfect for carbines, SMG’s, or shotguns. For a compact, lightweight red dot sight that will impress, choose the DI Optical FC1 15mm x 21mm Red Dot Sight.
Specifications:
Lens Dimensions: 15mm x 21mm
Eye Relief: Unlimited
Magnification: 1X
1 Click: 24mm @ 100m (dot only) / 1
MOA
Overall Dimensions: 48 × 43 × 43 mm (L x W x H)
Weight: 170g w/mount and battery
Dot Size: 2
MOA
Brightness Settings: 14 (7 daylight, 7 night vision)
Operating Temp Range: -25.6 deg ~ 160 deg F
Mil Spec Conformity:
MIL-
STD 810G Environment Testing
Night Vision Compatible: Yes
Switch: Push Button
Mount:
MIL-
STD 1913 Rail Optional quick disconnect
Motion Sensor: Built-In (Auto Shut-Off in 10 Hours)
Waterproof: Submersible up to 10ft
Battery Life: Approx. 5000 Hrs (Mid Brightness Level)
Adjustment Range: 40 ±
CLICKS
Features
Virtually Parallax free prism optical system with a clear compact lens
Excellent size for carbines, sub-machine guns, and shotguns
Single button
LED brightness control
Compact and rugged
CNC machined aluminum housing
Requires only 1.5 inches of rail space
Meets military
MIL-
STD 810G durability testing standards to insure the highest quality and reliability
+/-40
MOA adjustment in both elevation and windage
Auto shut off feature: 10 hours if no movement.
Removable spacer to suits on low profile guns