• Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra-high precision lens cell.
• Extremely sharp with excellent color correction.
• Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces
• This f/5.9 lens is ideal for astrophotography. 

2" V-power Focuser

• Extra-smooth new 2" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting (up to 15Lb.)!
• Comes with two locking screws on angled positions for heavy load applications.
• Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
• Graduated scale for precise camera alignment.
• Innovative Bahtinov Mask Cover (Patented) included

Simply Beautiful Finish

• Quality fit and finish powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dew shield, dew shield cap.
• Top quality anodizing.
• Very compact for carrying on flights.

• Telescope tube weight: 4.9 lbs
• Focal length: 420 mm
• Focal ratio: f/5.9
• Aperture: 71 mm
• Includes Flat6AIII for a more complete astrophotography experience.

• William Optics Gran Turismo 71 APO Refractor
• Built-in Bahtinov Mask
• CNC Handle Bar
• 2.5" R&P Focuser
• Soft Carry Case
• Flat6AIII Flattener