Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX f/8 Refractor
SKU: SKWS20208
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About Sky-Watcher Reducer/Flattener
Become an astrophotography expert with the 0.77x Reducer/Flattener, meticulously crafted for the EvoStar 150DX f/8 Refractor. This high-quality, durable accessory is designed to enhance your stargazing experience by reducing the f/ratio from the optical tube's native f/8 to a more efficient f/6.2. This innovative feature significantly reduces exposure time by 66%, allowing you to achieve the same stunning results in less time.
The 0.77x Reducer/Flattener boasts a 34mm fully illuminated field, providing a wider and clearer view of the cosmos. It also offers an 89mm back-focus, or a 55mm back-focus using the included back focus spacer and M48 ring. This versatility ensures that you can customize your viewing experience to your specific needs.
Designed by Sky-Watcher, a trusted name in the field of astronomical equipment, this reducer/flattener is compatible with both APS-C and full-frame sensors. This compatibility makes it a versatile addition to any astrophotography setup.
Whether you're a professional astronomer or an enthusiastic hobbyist, the 0.77x Reducer/Flattener for EvoStar 150DX f/8 Refractor is an essential tool for capturing the beauty of the night sky with precision and clarity.
Sky-Watcher Reducer/Flattener Features
- 34mm fully illuminated field, compatible with both APS-C and full frame sensors
- 89mm back-focus (55mm when back focus spacer and M48 ring installed)
- Drops f/ratio from native f/8 (1200mm) to f/6.2 (930mm)
- Reduces exposure time by 66% compared to native f/8
- 2.22 x 1.48-degree field of view when used with a full frame camera
- 1.45 x 0.97-degree field of view when used with APS-C crop sensor
- Only compatible with Evostar 150DX focuser
- Built-in 2" filter cell for mounting filters into light path