William Optics FLT98 APO Telescope

The William FLT98 APO telescope is portable, high quality and developed for people who desire a high quality device in a reasonably compact package.The latest model comes equipped with William Optics Digital Display Guage (DDG) which shows you the current focus setting.

This model has absolutely stunning optics and features a high quality triplet f/6.3 air-spaced objective, and is amongst the finest that William Optics have ever produced. The precision optics with STM coatings were designed by a leading Russian designer with FPL-53 glass.

This telescope is incredibly sharp and has superb color correction making it the perfect choice for astrophotography enthusiasts.

Linear Focuser

The heavy duty 360 degree extra-smooth 3.5" Linear focuser is a treat to work with during astrophotography, and the patented design stainless steel reinforcement inserts on both sides and on the back to allow heavy loads without problems.

Pure William Optics quality fit and finish

This scope is well finished with solid CNC-machined mounting rings included in the price, powder-painted white CNC-machined aluminum tube, golden finish, retractable dewshield, anodized 360 deg. rotatable crayford focuser, dewshield cap complete the package.

William Optics FLT98 APO Telescope


  • Aperture 98mm
  • Focal Ratio F/6.3
  • Focal Length 618 mm
  • Objective Type Air-spaced Triplet, Apochromatic objective
  • Lens Shade Retractable
  • Linear Focuser 3.5" 360° Rotating Camera-angle Adjuster
  • 1.25" Adapter Included
  • 100 mm Focuser Travel Length
  • 1.25" Adapter Provided
  • Type of Mount Mounting Rings
  • Tube Length 513 mm (Fully Retracted)
  • 600 mm (Fully Extended)
  • Tube Weight 5.18 kg

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