William Optics

Fluorostar 91


  • Sale
  • Regular price $1,998.00

Out of stock, but available to order.


Photos and specifications are preliminary, and subject to change.

No preorders at this time. Sign up using the Notify When Available button.

Expected to be released in spring 2021. More details will be included as they are provided.

  • FLT91 f/5.9 super APO (triplet)
  • 536mm Focal Length
  • With optional x0.8 reducer, F/4.7 (not included)
  • 45mm image circle
  • Smooth 3.3” R&P focuser
  • Minimum Strehl ratio 0.95+
  • 3.3” Camera Rotator included
  • Zygo test report optionally available at additional cost
  • Airline carry size case, two Rings, new wide vixens style dovetail , carry saddle bar and rotolock all included.
  • Weight around 5kg
  • Length:45cm( retracted)
    SKU: T-FLT-91GD-RP33
    Barcode: