| |  M5Xi 3-15x50 |  M8Xi IFS 1-8x24 |  M5Xi 5-25x56 |  M7Xi IFS 4-28x56 |
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| Item Number | 5572 | 5573 | 8723003626 | | 8719003601 |
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| Magnification | 3-15x | 1 – 8 x24 | 5-25x | 1-4-28x56 |
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| Objective Lens Diameter | 50 mm | 24 mm (0.94 in.) | 56 mm | 56 mm (2.2 in.) |
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| Tube Diameter | 34 mm | 34 mm (1.35 in.) | 34 mm | 34 mm (1.35 in.) |
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| Focal Plane | 1st | | 1st | |
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| Field of View @ 100 yds. | 39.7 - 7.9 ft. | | 7m - 1.4m (23.6 - 4.6 Ft). | |
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| Field of View @ 100 m. | 12.1-1.4 m | 32,0 - 4,5 m | | 9,0 – 1,42 m |
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| Eye Relief | 8.9-10.9 cm (3.5-4.3 in.) | 90 mm (3.54 in.) | 9-11 cm (3.5-4.3 in.) | 90 mm (3.54 in.) |
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| Exit Pupil | 10.4-3.33 mm (0.4-0.13 in.) | | 9.8-2.2 mm | |
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| Length | 36 cm (14.2 in.) | | 42 cm (16.5 in.) | |
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| Mounting Area | | | | |
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| Weight | 921 g. (32.5 oz.) | | 1 kg. (36.3 oz) | |
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| Diopter Adjustment Range | +2 to -3 | | +2 to -3 | |
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| Reticle | G2B Mil-Dot or MSR | | G2B Mil-Dot, MSR, Horus | |
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| Illumination Control | Rotary Digital Control with Intermediate Stops | | Rotary Digital Control with Intermediate Stops | |
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| Elevation Adjustment Knob | DuoScale™ / Resettable Zero | | DuoScale™ / Resettable Zero | |
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| Wind/Elevation Click Value | 1 cm (0.1 mrad) | | 1 cm (0.1 mrad) | |
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| Windage Range @100 m | 60 cm (6 mils) | | 60 cm (6 mils) | |
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| Elevation Range @100 m | 260 cm (26 mils) | | 260 cm (26 mils) | |
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| Parallax/Focus | Side Focus | Side Focus | Side Focus | Side Focus |
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| Parallax/Focus Range | 50 m (164 ft.) to Infinity | | 50 m (164 Ft.) to Infinity | |
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| Rubber Armoring | | | | |
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| Nitrogen Filled | Yes | yes | Yes | yes |
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| Operating Temperature Range | -25°C to +63°C (-13° F to +145° F) | | -25 to 63° C ( -13° to +145° F | |
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| Lens Cap | Yes | | Yes | |
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| Waterproof/Fogproof | Submersible to 10m (33 ft.) | | Submersible to 10 m (33 Ft.) | |
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| Battery | CR2450 | 1 x AA / CR2032 | CR2450 | 1 x AA / CR2032 |
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| Special Features | Adjustment Knobs 100% Sealed | | Adjustment Knobs 100% Sealed | Adjustment Knobs 100% Sealed |
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| Warranty | | | | |
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