The oculars are covered with a rain guard, and their eye-cups are made of soft rubber that folds either up or down (for use with eye-glasses), intermediate positions are not possible.

目鏡有雨遮A片β片毛片免费视频，而且眼罩是用軟橡膠制作人人澡人人擦人人精品，可以折下來供戴眼鏡者使用精品日韩妖精视频网站在线观看免费，不像旋升式眼罩那樣有多個(gè)中間檔位。

In most cases, such a military binocular is of Porro type with individually focusing oculars.

大部分情況下日本免费一级夜夜爽V，軍鏡都是雙調(diào)保羅的性AV无码天堂在线。

Albert Koenig and his team are known for designs of telescopic objectives, oculars, and other optical devices.

阿爾伯特科寧和他的設(shè)計(jì)團(tuán)隊(duì)以望遠(yuǎn)鏡物鏡、目鏡和其他光學(xué)產(chǎn)品的設(shè)計(jì)聞名日韩一区深夜在线观看视频网站。

In April of 1997 the Astro-Physics Company, Baader Planetarium, and Company Seven announced the availability of a limited quantity of new production Carl Zeiss "Abbe Orthoscopic" oculars for astronomical telescopes.

1997年4月，AP公司（星--物理公司色色色色色色综合网，業(yè)余天文鏡愛好者比我知道的多）色综合久久不88色综合久久、德國(guó)巴德天文儀器公司，還有Company Seven公司共同推出了限量的new production Carl Zeiss &Abbe Orthoscopic& oculars仿卡爾蔡司&阿貝直線&式業(yè)余天文望遠(yuǎn)鏡亚洲人妻专区。

This done, a few minor improvements in the construction, e.g. fold-down eyecups and a solid central focus - or, why not individual focused oculars?

做完這些久久九九99免费视频，一些結(jié)構(gòu)上的小改進(jìn)，例如真人A∨高清视频，能向下折的眼罩网站操逼，調(diào)緊中調(diào)旋鈕，或者中文无遮挡好黄H肉视频，為什么不用分調(diào)的一线日韩精品视频在线播放。