Baader UFC S70 Extension 5mm

Description Baader UFC S70/5 Extension 5mm Telescope-side: with S70 dovetail clamp (screws included) Camera-side: with S70 dovetail Can be adapted via the S70 dovetail to the UFC filter base #2459110 and allows adaption of telescope-sided adapters with the S70 dovetail clamp Important note on Hyperstar-Adaptation The distances for adapting a camera to the Hyperstar system must be done with a precision of +/-0.3mm or better, otherwise the image quality will suffer. Please take a look at the following image showing the necessary Backfocus. Example: A Celestron C11 Hyperstar has a backfocus requirement of 59.7mm; in addition, the focus shifts 0.66 in the extrafocal direction, if you use filters with a thickness of 2mm (as they are usually used for 2"/M48-housings). As a rule of thumb, a filter moves the focus in the extrafocal direction for 1/3 of the filters thickness. Substract the flange focal distance of the camera from this value (rounded 60.7mm). The remaining distance is adjuste