泼妇光学

特征 将焦距增加1.4倍 R200S的焦距增加到1120毫米（F5.6） 内部哑光表面防止反射 特殊反射为涂层 99.9％的光传输每镜头表面 施工：3组的4个元素 重量：245克 描述 为牛顿望远镜设计的最佳焦点扩展器，用于严重的天文摄影。 这款高级扩展镜头系统在日本制造并为天体摄影...

描述 旋转器改变摄影的图像方向 与其他主要焦点或目镜投影适配器一起用于天体摄影。螺纹成60mm线，转换为42mm t线。该部分包含在＃2642 R200SS OTA中。 眼镜 螺纹直径 60mm（p = 0.75）42mmt（p = 0.75） 光路长 4mm 重量...

Description Durable and convenient case for OTA or tripodBecause it contains protective urethane in polyester fabric, it protects your OTA or trip...

Features Powerful anchoring with a dedicated panhead shape Double screw type fine adjustment screw for secured attachment Slow motion switchover ...

Description Slow motion handle for comfort handling A long flexible type slow motion handle. It is also recommended for children who can not reach...

Description Focal Reducer for VSD100 F3.8 Transforms VSD100 F3.8 to an even faster astrograph with 300mm in focal length at F3.0 (0.79x). Suitable...

Description Optional adapter to attach the former GP2/GPD2 mounts to SXG-HAL130 tripod (or SXG Half Pillar) Historically, Vixen GP Mounts and Sp...