Askar N160 160MM Large Aperture F/3.4 Astronomical Newtonian Reflector with Dual-Speed Rack-and-Pinion Focuser

Introduction:
- The N160 features a large 160mm aperture and a focal ratio of F3.4.It is a cost-effective Newtonian reflector designed for deep-sky astrophotography. 

Specification:
- Aperture size: 160mm
- Focal length: 576mm (without Corrector)/544mm (with Corrector)
- Focal ratio: F3.6 (without Corrector)/F3.4 (with Corrector)
- Corrector reduction factor: 0.95×
- Corrector type: Triplet design
- Primary mirror type: Parabolic mirror
- Format specifications: APS-C
- Tube material: Carbon fiber
- Secondary mirror short axis diameter: 61mm
- Lens tube outer diameter: 193mm
- Lens tube total length: 467mm
- OTA weight: 3.97kg
- Gross weight (including handle, tube ring, dovetail plate, and corrector): 5.2kg
- Corrector weight: 0.22kg
- Resolution: 0.73
- Back focus: 55mm (from the M48 thread)
- Rear-end thread type: corrector end of M48x0.75

Package Included:
- 1 x OTA
- 1 x Pair of Tube Rings
- 1 x 230MM Dovetail Plate
- 1 x Multifunctional Handle
- 1 x 0.95X MPCC
- 1 x M58 to M48 Adapter
- 2 x 0.1MM Shim
- 2 x 0.2MM Shim
- 2 x 0.3MM Shim
- 1 x User Manual