SKYWATCHER 0.77x REDUCER FOR ESPRIT 120ED
Sky-Watcher
SKYWATCHER 0.77x REDUCER FOR ESPRIT 120ED is backordered and will ship as soon as it is back in stock.
The Sky-Watcher 0.77x Flattener/Reducer for Esprit 120ED telescopes shortens the focal ratio of the 120ED to f/5.4 and focal length to 647mm. Exposure time is reduced by 68% when compared to the native f/7 configuration.
The illuminated and corrected image circle is 34mm, making it suitable for use with APS-C sensors and smaller.
The flattener/reducer has a back focus requirement of 95mm (55mm when paired with the included spacer and M48 adapter), making it possible to connect a wide range of imaging trains. Built-in 2" filter threads allow you to add light pollution filters with ease.
Specifications
Reduction factor | 0.77 x |
---|---|
Optical design | Triplet |
Telescope connection | M86 x 1, M78 x 1 |
Camera connection | M78 x 1, M48 x 0.75 |
Image circle | 34 mm |
Back focus distance | 95 mm, 55 mm from extension tube |
Weight | TBD |
SKU | SWA-ESPRIT120FRF |