Eotech貌似在对抗thermal drift方面又有了改进

TofuSan

他们的 “Dear Valued Eotech Customer” 公开信更新了。看起来2016/10以后的产品thermal shift从5MOA降到了1.4~1.8MOA。
辛苦我去年4月刚刚退换了一只瞄具。估计开春以后强迫症复发，又得再退换一次，重新校准。

Thermal Drift
EOTech’s sights experience a point of impact shift away from the point of aim when the sight is exposed to a temperature different from the temperature at which the sight was zeroed. After zeroing the sight at or near ambient temperature (73°F), the zero position will shift during operating temperature changes. For sights manufactured after October 2016, the typical shift will be between approximately 1.4 and 1.8 minutes of angle (“MOA”). Due to manufacturing variations, however, a particular sight has the potential to shift a maximum of approximately 3.5 MOA at -4°F and 122°F. Sights manufactured prior to October 2016 have the potential to shift approximately +/- 5 MOA at -40°F and 122°F.

TofuSan

http://www.eotechinc.com/dear-valued-eotech-customer

CiTY_HuNTeR

foureyes

红点漂移对大多数老百姓影响倒还不大，我关心的是他们那个漏气的问题解决没有。我之前两个都出现过这个问题。