米德LX850光学镜筒12英寸

美国Meade米德LX850系列F8镜筒12寸大口径镜镜筒专业天文望远镜

12" ACF F/8 OTA W/ UHTC

●12“ f / 8 Advanced Coma Free Optics-2438mm焦距

●米德超高透射涂层（UHTC）

●超大尺寸低膨胀硼硅酸盐主镜

●洛斯曼迪风格的安装导轨

●12" f/8 Advanced Coma Free Optics - 2438mm focal length

●Meade Ultra-High Transmission Coatings (UHTC)

●Oversized Low-Expansion Borosilicate Primary Mirror

●Losmandy style mounting rail

Meade 12英寸f / 8 ACF光学管组件＃1208-80-01，具有洛斯曼底风格的燕尾形。简单的必需品，价格*。

我们已经听到了您的请求，并且已经听了。这就是为什么我们很自豪地提供不带附件的f / 8 OTA，而且价格超低。

基于Meade屡获殊荣的Advanced Coma-Free™（ACF™）光学元件，该12英寸OTA采用具有高对比度挡板的快速f / 8光学系统，可确保在视场边缘实现清晰，精确的成像。内部零像移Crayford风格的对焦系统，具有两速7：1缩小控制，可在任何放大倍率下实现平稳，精确的对焦；还具有Meade的超高透射涂层（UHTC），以实现*大的亮度和对比度，以及超大的低倍率。扩展主镜可提供额外的光圈，并防止镜的热膨胀以及衍射受限的光学元件。

包括与管子匹配的精密机械加工的洛斯曼底风格的燕尾形导轨，带有用于固定岩石的宽站径挡块，以及前后防尘罩。焦距为2438mm。OTA重量为41磅。

产品享有一年的Meade工厂有限保修。

Meade 12" f/8 ACF Optical Tube Assembly #1208-80-01 with the Losmandy-style dovetail. The bare essentials for an unbeatable price.

We've heard your requests, and we listened. That's why we're proud to offer the f/8 OTA without the accessories for an ultra-low cost.

Building on Meade’s award-winning Advanced Coma-Free™ (ACF™) optics, the 12" OTA employs a fast f/8 optical system with high-contrast baffling that insures crisp, pinpoint imaging to the very edge of the field. Features an internal zero image shift Crayford-style focusing system with a two-speed 7:1 reduction control that provides smooth, precise focusing at any magnification. Also features Meade's Ultra-High Transmission Coatings (UHTC) for maximum brightness and contrast, an oversized low-expansion primary mirror for extra aperture and to prevent thermal expansion of the mirror, and diffraction-limited optics.

Includes precision machined Losmandy-style dovetail rail mated to the tube with wide-stance radius blocks for rock-steady mounting, and front and rear dust covers. Focal length is 2438mm. OTA weight is 41 lbs.

Product carries full one year Meade factory limited warranty.