Askar 0.6x Full Frame Reducer / Flattener for 103APO Telescope

The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.6x reducer, which is optimized for the Askar 103APO, and can provide more possibilities for telescope use.

Specifications:

• (After attaching) 103APO Focal length: 420.24mm
• (After attaching) 103APO Focal ratio: f/4.08
• Lens Number: Quadruplet design
• Back Focus: 55mm (from the base of M48 male thread）
• Weight: 0.98kg
• Rear-end thread type:
  • M68×1
  • M68×1-M54×0.75
  • M54×0.75-M48×0.75 (M48×0.75 filter thread inside)