ACCESSORIES & INSTRUCTIONS Lens & Lens Adapter Installation of the Level Installation for the Blue Light Basic Sight Mounting Proceedure Changing Sight pin Instructions Fiber Wrap Pins 6" Extension Lens & Lens Adapter: Our Lens come in Glass and Polycarbonate for the 1 3/4" lens with 2x, 4x and 6x power. In the 2 1/4" aperture only the Polycarbonate lens in the 2x, 4x and 6x power. Addition of Lens & Lens Adapter: 1. Remove the three screws on the back of the sight aperture. 2. Insert the supplied O-Ring then the Lens into the Lens Adapter. Next, align the Lens Adapter to the front of the sight aperture. 3. Install the new longer screws in the sight aperture. 4. Do not over tighten and do not use lock tite. Lens & Lens Adapter Back to top Instructions for installing the NI-035 Level: 1. Rotate the bubble to point away from the mounting screw. 2. Insert the bubble into the sight in either slot at any desired location. 3. Tighten the mounting screw. Do not over tighten. 4. Adjust the bubble and tighten the screw. Do not over tighten. Instructions for installing the NI-036 Level: 1. Mount the level to the front of the sight housing using the supplied screw and the brass bushing. 2. The level housing is machined to the match the contour shape of the sight housing. 3. Tighten the level screw, (being careful no to over tighten) to match the contours of both the level and the sight housing. 4. Level should be set after tightening. Note: See diagram to the right NI-035 NI-036 Back to top Blue Light: Impact Blue light fits the Collector, Bravo, Hammerhead, Cosmic, Air Lite, Fiber Tech, All Terrain and Vortex sights. Also, fits all 1 3/4" and 2 1/4" apertures.