GPO Spectra

GPO SPECTRA 4x 4-16x50i Riflescope   This 30mm line of riflescopes packs incredible features into small, compact, and versatile optics, with premium features like industry-leading field of view, quick-adjust turrets, fast focus ocular, and generous eye relief. SPECTRA™ 4x is sure to be your go to choice that transforms a hunt into a harvest.  Specifications Magnification . 4x – 16x Field of view (FOV) m at 100m . 10,4 – 2,6 Objective diameter (mm) Effective diameter 50 Exit pupil diameter (mm) Measurement of the pupilary ocular beam 9,5 – 3,1 Eye Relief (inches) From the last optical surface 3,74 Eye Relief (mm) From the last optical surface 95 Travel value per click at 100y 1 Click = x/100y 1 cm travel value per click at 100m 1 Click = x/100m 1 Elevation range total (cm at 100m) 100 210 Windage range total (cm at 100) 100m 210 Parallax compensation Parallax free at x distance 10 m – ∞ Transmission Daylight ISO 14490-5:2005 90% Height (inches) Without covers 1,88 Height (mm) Without covers 47,9 Width (inches) Fully extended 3,2 Width (mm) Fully extended 81,2 Length (inches) At outside diameter 14,5 Length (mm) At outside diameter 369 Tube diamter (mm) Width of main tube 30 Weight (ounces) Without covers 20,08 Weight (grams) Without covers 629 Mechanical outer diameter (objective mm) Objective end of scope 57,2 Mechanical outer diameter (ocular mm) Ocular end of scope 45,8 Reticle Option . G4i Drop Accessories included with the purchase . instruction manual, cleaning cloth, bikini scope cover, battery CR2032, throw lever