William Optics FLT98 Triplet APO Telescope - No DDG

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William Optics FLT98 Triplet APO Telescope - No DDG
Item # WO-A-F98
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  • The William Optics FLT 98 Triplet APO Telescope features a high-quality optical set, conceived by one of the top Russian optical designers, A. Strakhov. Through the use of fluorite FPL53 and other top-of-the-line glasses, Strakhov designed optics that result in high contrast, super sharp views.
  • A 3.5" fully rotatable, two-speed linear focuser is part of the FLT-98 package. It is very strong and focuses smoothly. Two locks and a graduated scale are just a few of the features of this focuser! 2" & 1.25" compression ring adapters are also included.
  • The WO FLT-98 OTA is white with golden accents. It has a retractable dew shield and comes with mounting rings and a soft carry case.
  • Some of the images show the OTA with DDG. Please remember that this version of the FLT-98 does not come with DDG.


William Optics FLT-98 Telescope

The FLT-98 refractor is a portable, high quality, versatile APO telescope designed for individuals who want a very high quality instrument in a relatively compact package. The William Optics 98mm f/6.3 telescope features an air-spaced top-quality triplet objective that includes one FPL53 fluorite element, designed by A. Strakhov, a leading optical designer in Russia. This scope is extremely sharp and has great color correction. It is ideal for astrophotography.

William Optics FLT-98 Telescope Highlights...

  • Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
  • The optical tube assembly of the FLT-98 is CNC machined and powder-coated white with gold highlights. It has a retractable dew shield so that the tube length can be shortened for travel.
  • Extra-smooth, dual-speed, 360° rotatable 3.5 " Linear focuser: a treat to use during astrophotography. No more image shift!
  • The 3.5" linear focuser has a graduated scale for precise camera alignment.
  • The focuser comes with two locking screws and the oversized aluminum knobs make it easy to adjust, even with gloves on.
  • The FLT-98 optics comes in a highly precise CNC-machined lens cell.
  • Solid CNC-machined mounting rings included.
  • Stow away your telescope in the practical and portable soft case.
  • This scope sports an air-spaced triplet lens with STM coatings. It is extremely sharp and has great color correction..
Additional Information

Additional Information

Manufacturer William Optics
Telescope Series William Optics FLT
Optical Design Refractor - Apochromatic
Mount Type None - Optical Tube Only
Warranty 2 Year Warranty
Telescope Aperture 3.9"
Telescope Focal Length 618mm
Telescope Focal Ratio f/6.3
Length of Optical Tube 20.2 inches fully retracted, 23.62 inches fully extended
Tube Color or Finish Gloss White
Dew Shield Included? Yes
Limiting Stellar Magnitude 12.4
Finder Included None
Eyepiece(s) Included None
Case Included? Yes
Total Telescope Weight 5.18 kg (11.42 lb)
Included Items

Included Items

  • WO 98mm Triplet APO OTA
  • Integrated 3.5" Dual Speed Linear Focuser
  • 1.25" Adapter with Brass Compression Ring Fittings
  • 2" Adapter with Brass Compression Ring Fittings
  • Mounting Rings
  • Soft Carry Case
Questions & Answers

Product Questions

Does the Televue TRF-2008 0.8X work with this telescope?
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