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  2. Holosun - Wikipedia

    en.wikipedia.org/wiki/Holosun

    Their initial focus was on budget price weapons optics, although they faced general skepticism their low price point gained them market share. The quality of Holosun products although originally poor improved significantly through the 2010s to the point where it began to rival more established manufacturers.

  3. Holographic weapon sight - Wikipedia

    en.wikipedia.org/wiki/Holographic_weapon_sight

    A United States Marine firing an M4 carbine, using an EOTech holographic sight to aim.. The first-generation holographic sight was introduced by EOTech—then an ERIM subsidiary—at the 1996 SHOT Show, [2] under the trade name HoloSight by Bushnell, with whom the company was partnered at the time, initially aiming for the civilian sport shooting and hunting market.

  4. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    Range 10 m 6 mm 8 mm 10 mm 12 mm 16 mm 18 mm 22 mm Range 20 m 12 mm 16 mm 20 mm 24 mm 32 mm 36 mm 44 mm Range 50 m 30 mm 40 mm 50 mm 60 mm 80 mm 90 mm 110 mm Range 100 m 60 mm 80 mm 100 mm 120 mm 160 mm 180 mm 220 mm Formula: Subtension in mm = distance in m × dot size in mrad

  5. Comparison of orbital rocket engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    Engine Origin Designer Vehicle Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [e] Oxidiser: fuel ratio ...

  6. Comparison of digital and film photography - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_digital_and...

    Dynamic range is a significant factor in the quality of both the digital and emulsion images. Both film and digital [dubious – discuss] sensors exhibit non-linear responses to the amount of light, and at the edges of the dynamic range, close to underexposure and overexposure the media will exhibit particularly non-linear responses. The non ...