紅點鏡
紅點鏡(red dot sight),部份型號又名反射式瞄準鏡(reflex sight),亦作內紅點,是一種無放大率的光學瞄具,有光亮的瞄準點(通常為一紅點)。一些望遠鏡及內置取景器的「傻瓜相機」亦會載有紅點鏡。
由於紅點鏡中射入眼睛的光點(光射)永遠與紅點鏡平衡,即使眼睛不在紅點鏡的中軸上,也能透過紅點準確瞄準,可提升高速移動或身體搖晃時的射擊精確度,因此被各國大量使用於軍事槍械甚至戰機的抬頭顯示器上。另外,特殊光線除了可由發光二極管生成外,亦可由自然光或極低放射性的放射物(半永久有效)提供。
參見
參考資料
延伸閱讀
- Journal of the Military Service Institution of the United States: Volume 37 - Page 552 -THE GRUBB GUN SIGHT
- The Mining engineer, Volume 23 By Institution of Mining Engineers (Great Britain). THE GRUBB SIGHT FOR SURVEYING INSTRUMENTS By Sir HOWARD GRUBB and HENRY DAVIS
- The scientific transactions of the Royal Dublin Society By Royal Dublin Society - A NEW COLLIMATING TELESCOPE GUN SIGHT FOR LARGE AND SMALL ORDNANCE By SIR HOWARD GRUBB FRS Vice President Royal Dublin Society
- John Arne Ingemund Ekstrand's U.S. Patent 3,942,901 for a "Optical sighting instrument with means for producing a sighting mark" filed December 7, 1973
外部連結
维基共享资源中相关的多媒体资源:紅點鏡 |
- YouTube上的A WWII US Navy Mark VIII reflector sight
- YouTube上的A 1942 Japanese type 98 reflector sight in action
- YouTube上的A red dot sight on an Airsoft gun
- Article on the WWII Maxon M45 machine gun mount with section on the Navy Mark 9 reflector sight
- May-June, 2007 CBS Interactive Business Network article: Seeing red: illuminated reticle sights
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