Askar f / 3.9 Full Frame Reducer for FRA600 / 5.6 Flatfield Astrograph (SKU: ASKAR65RD or AS108RED / ASRED108)

The Askar FRA600 f/3.9 reducer is a specialized accessory designed to complement the Askar FRA600/5.6 astrograph. Its primary purpose is to deliver outstanding field correction, enabling seamless compatibility with professional cameras and camcorders equipped with a full-frame sensor.

By reducing the focal length by a factor of 0.7x, this reducer transforms the Askar FRA600 astrograph into a versatile instrument with an effective focal length of 420mm at f/3.9. These exceptional parameters not only facilitate capturing breathtaking wide-field photographs but also significantly reduce exposure times by up to half.

Featuring a convenient M48x0.75 thread on the camera side, this accessory allows for the effortless installation of 2" filters. Now you can effortlessly enhance your astrophotography by utilizing a wide range of filters to achieve the desired creative effects.

Key Features of the Askar FRA600 f/3.9 Reducer:

Dedicated focal reducer for the Askar FRA600 astrograph, ensuring optimal compatibility with cameras and full-frame sensors.

0.7x magnification, resulting in an effective focal length of 420mm at f/3.9.

Ability to accommodate 2" filters, opening up a world of creative possibilities.

55mm back focus, providing flexibility for various camera setups.

Technical Specifications:

• Magnification: 0.7x
• Compatibility: Askar FRA600
• Focal length without reducer: 600mm
• Focal length with reducer: 420mm
• Aperture without reducer: f/5.6
• Aperture with reducer: f/3.9
• Rear thread (camera side): M48x0.75
• Front thread (on the extractor side): M80x1/M90x1
• Filter compatibility: Yes, 2"
• Back focus: 55mm
• Length: 76mm
• Diameter: 84mm

Included Components:

• Askar FRA600 f/3.9 reducer

Warranty:

The Askar FRA600 f/3.9 reducer comes with a comprehensive 24-month warranty, ensuring your peace of mind and satisfaction with this top-quality accessory. Invest in this advanced focal reducer today and unlock the full potential of your astrophotography experience.