ベランダに三脚を立ててCeres＆８８０円の４mmＦ１．２Cマウントレンズで固定撮影　４秒露出を３分ライブスタック　肉眼では天の川は見えませんが電子機器は大したものです。４秒露出でモニターには天の川が見えます。ダークを引いたつもりでしたが引けてなかったようです（＾＾； https://t.co/esXrlswmW2

Description: -- Specially designed 2.8mm 3 Megapixel CS IR Fixed CCTV Lens can be used with standard body cameras with CS mounting function. -- Get the widest field of view available with CS mount lenses. -- These lenses are set at factory with a fixed focal length for optimal vision. -- The length is longer as the focal point of the lens, and the field of view is narrower and the object is more clear. -- Ideal for use in bars, shops, parking lots, residentials, warehouses, etc. Specifications: -- Product Name: CCTV IR Camera Lens -- Irris: Fixed -- Image Format: 1/3" -- Mount: CS -- Focal Length: 2.8mm -- Aperture: F1.2 -- Dimension: 25x 20 mm (H thread D) -- Color: Black -- Fits both 1/3" CCD Chipset, F1.2 aperture Package Includes: -- 1 x 2.8mm IR Fixed Lens

MNG ATOMCamと写し比べて見よう　何時もながら梱包が、、(^_^;) https://t.co/P1de0ssY4l

ZWO　ASI 224MM

Ｃマウントfl:2.8ｍｍ F1.2 SV505C Gain509 250ｍｓ　月の無い日の動画です。 https://t.co/a36cgW05QT