Askar FRA600 f/3.9 Full Frame Focal Reducer for FRA600/5.6 Flatfield Astrograph

The Askar FRA600 f/3.9 Full Frame Focal Reducer is a premium accessory specifically designed to enhance the performance of the Askar FRA600/5.6 astrograph. This reducer offers exceptional field correction to ensure perfect compatibility with professional cameras and camcorders that feature a full-frame sensor.

With its ability to reduce the focal length by 0.7x, the reducer transforms the Askar FRA600 astrograph into a versatile tool with an effective focal length of 420mm at f/3.9. This modification not only allows for stunning wide-field photography but also significantly reduces exposure times, potentially by up to half.

The reducer is equipped with a user-friendly M48x0.75 thread on the camera side, allowing for the straightforward installation of 2" filters. This feature enables you to explore a wide range of filters to achieve desired creative effects in your astrophotography.

Key Features of the Askar FRA600 f/3.9 Reducer:

• Dedicated focal reducer for the Askar FRA600 astrograph, ensuring seamless compatibility with cameras and full-frame sensors.
• 0.7x magnification, providing an effective focal length of 420mm at f/3.9.
• Supports 2" filters, expanding creative possibilities.
• 55mm back focus, offering flexibility for diverse 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 is backed by a comprehensive 24-month warranty, providing peace of mind and assurance of the quality of this exceptional accessory. Enhance your astrophotography setup today with this advanced focal reducer and unlock new horizons in your astronomical pursuits.