About the William Optics FLT 98 APO Refractor Telescope w/ 3.5" Focuser...
The William Optics FLT 98 Refractor Telescope is a portable, high quality, versatile APO telescope designed for individuals who want a very high quality William Optics Telescope in a relatively compact package.
- Features a top-quality triplet f/6.3 air-spaced objective, one of the best William Optics Telescope ever made!
- This scope is extremely sharp and has a great color correction. It is ideal for astrophotography.
- Precision optics with STM coatings.
- Designed by leading Russian designer with FPL-53 glass.
- Extra-smooth 3.5" Linear focuser: a treat to use during astrophotography. No more image shifting!
- Two Locking screws.
- 360 deg. rotatable.
- Extra-heavy duty.
- Large aluminum knobs.
- Stainless steel reinforcement inserts on both sides and on the back of the William Optics Telescope 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 William Optics Telescope aluminum tube, golden finish, retractable dewshield, anodized 360 deg. rotatatable crayford focuser, dewshield cap.
William Optics FLT 98 APO Refractor Telescope w/ 3.5" Focuser Features...
- Dedicated field flattener available.
- 2" & 1.25" adapters, as well as mounting rings, are included.
- All adapters come equipped with brass anti-marring compression rings.
- Stow away your telescope in the practical and safe soft carrying case.
- 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!
William Optics FLT 98 APO Refractor Telescope w/ 3.5" Focuser Specifications...
Focal Ratio: F/6.3
Focal Length: 618 mm
Objective Type: Air-spaced Triplet, Apochromatic objective
Lens Shade: Retractable
Linear Focuser: 3.5" 360 degree 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 kgWilliam Optics Product Number: A-F98