Sky-Watcher .85x Reducer Lens for EvoStar 72ED Apo Telescope
Sku:
ZZOFR-ZZSW-S20212
Mfg #:
S20212
$415.00
Discontinued by Manufacturer
This item is discontinued by the manufacturer and is no longer available.
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SKU:
ZZOFR-ZZSW-S20212
Mfg #:
S20212
Description
Description
- Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
- 55mm back focus
- Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
- Reduces exposure time by 38% compared to native f/5.8
- 5.8 x 3.87-degree field of view when used with a full frame camera
- 3.79 x 2.53-degree field of view when used with APS-C crop sensor
- Includes thread-on adapter to mount reducer to Evostar 72ED focuser
- Terminating thread on the camera side is male M48x0.75
Other Information
- Country of Manufacture: China
- Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
- 55mm back focus
- Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
- Reduces exposure time by 38% compared to native f/5.8
- 5.8 x 3.87-degree field of view when used with a full frame camera
- 3.79 x 2.53-degree field of view when used with APS-C crop sensor
- Includes thread-on adapter to mount reducer to Evostar 72ED focuser
- Terminating thread on the camera side is male M48x0.75
Read Full Description
Reviews / Q&A
Reviews / Q&A
Description
Reviews / Q&A
Description
- Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
- 55mm back focus
- Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
- Reduces exposure time by 38% compared to native f/5.8
- 5.8 x 3.87-degree field of view when used with a full frame camera
- 3.79 x 2.53-degree field of view when used with APS-C crop sensor
- Includes thread-on adapter to mount reducer to Evostar 72ED focuser
- Terminating thread on the camera side is male M48x0.75
Other Information
- Country of Manufacture: China
Reviews / Q&A