Sky-Watcher EvoGuide 50ED Flattener

Sky-Watcher EvoGuide 50ED Flattener Highlights

• Corrects for field curvature, allowing the EvoGuide 50ED and 50DX to be used for astrophotography
• Thread on metal caps
• T-thread connection or 1.25" opening for camera mounting
• 28mm imaging circle
• 17.5mm back focus
• 5.33 x 3.57-degree field of view when used with APS-C crop sensor 

If you feel like trying you hand at some imaging with your EvoGuide 50, this field flattener will be very helpful keeping your image flat on reasonably sized chips.