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FIND-R-SCOPE® -52X Plus Kit Model 84499C-52XP includes the 84499C-5 Infrared Viewer, with a 25mm objective lens installed, and an optional 50mm C-Mount Lens objective lens in addition to the standard 25mm lens. The 50mm lens includes an adjustable aperture that ranges from f/1.8 to close. It also includes an LP830-30.5 Visible Blocking Filter, and a CU400-27 Close-Up Lens. Save $ when purchased as a kit! The included 84499C-5 FIND-R-SCOPE® is a self-contained, hand-held infrared viewer operating in the near-infrared region of the spectrum. An image converter tube, and high voltage power supply combine with a 25mm C-Mount objective lens and other precision optics to permit a view of objects or images which cannot otherwise be seen by the naked eye. The LP830-30.5 Filter is a screw on lens accessory. This longpass filter blocks the visible spectrum for a better signal-to-noise ratio when viewing the near-IR. (Threshold minimum @ 780 nm.) The CU400-27 Close-Up Lens is a screw on lens accessory. This lens allows the 25mm lens to provide a M.O.D. (minimum object distance) capability of 110mm, and an approximate focusing span from 110mm to 250mm (4.3-9.8"). The SU27-30.5 Step Up Ring allows the LP830-30.5 filter to be used on the 27mm dia., 25mm Objective Lens. Stackable Accessories: The Close-Up Lens and above filter are threaded screw-on lens accessories. They have compatible threads so they can be stacked. (When using the CU-400, make sure that you attach the CU-400 lens to the main objective lens first.) The built in aperture of the lens eliminates the need for an external iris accessory. Additional compatible accessories are shown in the right-hand column of this page.
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