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William Optics FLT98 98mm f/6.3 Triplet Apo Refractor

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Brand William Optics
Part Number A-F98

Product Info

Manufacturer Description

The FLT98 is a portable, high quality, versatile APO telescope designed for individuals who want a very high quality instrument in a relatively compact package. This model features a dual speed 3.5" R&P Focuser.

This telescope features a Russian-designed air-spaced triplet f/6.3 lens in an adjustable lens cell. The optics are of superb quality with amazing clarity and color correction. With stylish and unique mechanics, top-quality optics, and no chromatic aberration (true apochromatic performance), this is an excellent grab and go scope that any astronomer should own. This refractor is indeed in a new realm of mechanical technology advances and optical perfection!

The redesigned telescope features a new aluminum tube with William Optics' renowned quality fit and finish: Gold signature dew shield cover, retractable dew shield, draw tube graduated scale imprinted, larger extra-smooth (3.5") R&P focuser, a well padded soft case and pair of high quality mounting rings. This set-up will be a treat to use for astrophotography!

The pre-DDG version was reviewed in the Sky at Night (December 2008) astronomy magazine with great acclaim! The DDG focuser version of this same scope was a Sky & Telescope Hot Product in 2010!

Stunning Optics

- Features a top-quality triplet f/6.3 air-spaced objective, one of the best WO has ever made!
- This scope is extremely sharp and has great color correction. It is ideal for astrophotography.
- Precision optics with STM coatings.
- Designed by a leading Russian designer with FPL-53 glass.

Strong Focuser

- Extra-smooth 3.5" R&P focuser: a treat to use during astrophotography. No more image shift.
- Two locking screws.
- 360 deg. rotatable.
- Large aluminum knobs.
- Extra-heavy duty.

Patented Design

- Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
- Graduated scale for precise camera alignment.

Simply Beautiful Finish

- Solid CNC-machined mounting rings included in the price.
- Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, golden finish, retractable dewshield, anodized 360 deg. rotatatable crayford focuser, dewshield cap.

Total Quality Package

- Dedicated field flattener available separately.
- 2" and 1.25" adapters included, all with brass anti-marring compression rings.
- All with brass anti-marring compression rings.

High Quality Soft Case

- Stow away your telescope in the practical and safe soft padded case (included).
- Though you will never need it, you have a 2-year warranty from WO, and the certainty that we will be there to assist you even beyond that, if you need!


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Telescope Aperture 3.86" (98mm)
Manufacturer William Optics
Telescope Aperture 81mm - 125mm
Telescope Series William Optics FLT