William Optics GT81 81mm f/5.9 Gen IV and William Optics 0.8x Reducer / Adjustable Field Flattener 6AIII with Soft Case

William Optics GT81 81mm f/5.9 Gen IV and William Optics 0.8x Reducer / Adjustable Field Flattener 6AIII with Soft Case. 

Telescope and flattener are in excellent condition with no noticeable wear to the optics or body.  Both items will ship in the carrying case.  Note that no manual for either item was included in the original package, but cane be found on the Williams Optics website.  If picking up in person, only cash can be accepted for payment.

Telescope Specifications:

• Focal Length: 478mm
• Diameter: 81mm
• Aperture: f/5.9
• Camera Format: APS-C, Full Frame
• Focuser: 2.5" R&P Focuser
• Image Circle: >Full Frame (with recommended flatteners; image circle size without a flattener will be smaller but has not been specified by William Optics)
• Recommended Flattener: Flat6AIII
• Tube Length (Fully Retracted): 390mm
• Tube Length (Fully Extended): 460mm
• Dew shield OD: 103mm / 4.05"
• Tube Weight: 3.9kg
• Interchangeable T-Mount (sold separately): Canon EF, Nikon F, Sony E, Pentax, Micro Four Thirds, Fuji FX

Flattener/Reducer Specifcations

• Lens Type: 3 Groups 3 Elements
• Length: 61.5 mm
• Telescope Thread: M63 x 1 x 6 mm
• T-mount Thread: M48 x 0.75 x 4 mm
• T-mount Supported: Canon EF, RF; Nikon F, Z; Sony E; Pentax K; MFT (M4/3); FUJI X
• Camera Format; > Full Frame
• Weight: 519.4 g / 1.1 lbs

Please see Williams Optics website or Agena Astro for full specification of these items.