TS-Optics ED APO 80 mm f/7 Refractor with 2.5" R&P focuser

TS Premium 80mm f7 ED Apo Refractor Telescope with improved image quality due to ED objective and 2.5" Rack & Pinion focuser for astrophotography and observation.

• Premium 80mm f/7.0 ED 2-Element objective with improved color correction and good light sensitivity - glas from Ohara (Japan)
• Focal length 560 mm - Focal ratio f/7
• Outstanding mechanical construction with CNC tube, CNC tube rings and temperature compensated, adjustable lens mounting
• 2.5" Rack & Pinion focuser with micro gear reduction - one of the best focusers of the TS product range for high loads
• 2" and 1,25" connection, and M54x0,75 inner thread are available for adaptations
• Very good image field correctors and also reducers for astrophotography are optionally available
• Dovetail - GP/EQ5 Level is included
• Findershoe for finderscopes and small guidescopes is included

Technical Specifications:

• Objective: hand-made adjustable 80 mm f/7 objective with FPL51 ED element (Ohara Japan)
• Focal length: 560 mm
• Focal ratio: f/7
• Lenses: Two-lens system, fully multi-coated - with blackened lens edges
• Focuser: 2.5" Rack&Pinion with enhanced ball-bearings and rack for adjustment of the extension tube
• Eyepiece-sided connections: 2", 1.25", M54x0,75 inner thread
• Resolution: 1.43"
• Visual limiting magnitude: 11.25 mag
• Tube weight with rings and dovetail: 2.81 kg
• Tube length: 570 mm
• Tube diameter 90 mm
• Dew cap diameter: 104 mm
• Backfocus: 123 mm from 2" receptacle, 160 mm from the connection thread without receptacle
• Tube rings: CNC-rings with plane foundations with 5x M6 female threads on each side each