William Optics FLT98 Fluorite ED Air Spaced APO Triplet Refractor
- Features a top-quality triplet f/6.3 air-spaced objective, one of the best WO ever made
- This scope is extremely sharp and has great color correction. It is ideal for doing astrophotography
- Precision optics designed by Russian designer A. Strakhov with FPL-53 glass and fully STM coated
The FLT98 Fluorite ED Air Spaced APO Triplet Refractor from William Optics is a portable, high quality, low dispersion, versatile APO telescope designed for individuals who want a very high quality instrument in a relatively compact package. Reviewed on Sky at Night (December 2008) astronomy magazine with great success! This telescope includes solid CNC-machined mounting rings in the price. Exhibits pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, golden finish, retractable dew shield, anodized 360deg rotatable Crayford focuser, and a dew shield dust cap.
The FLT98 Fluorite ED Air Spaced APO Triplet Refractor from William Optics has a new rotatable 3.5" Rack & Pinion focuser, smooth and precise, ideal for use during astrophotography. It can be fully locked and will not flex or slip even with a very heavy camera load. No more compression rings for 2"/1.25" adapter; since this scope features a WO RotoLock Focuser. Focuser can be fully locked with a simple adjustment. The focuser’s tension can be easily set by the user. The focuser is also 360deg rotatable for convenience. The scope provides large aluminum adjustment knobs and a graduated scale for precise camera alignment. An aluminum fine knob protection cover is also included.
An optional dedicated field flattener lens is available. 2" & 1.25" adapters included.
All with brass anti-marring compression rings. Includes a high quality soft carrying case and a 2-year warranty from WO.
|Objective Type||Air-spaced Triplet, Fluorite Apochromatic objective|
|R&P Focuser||3.5" 360° Rotating Camera-angle Adjuster
New RotoLock Focuser (no more compression rings for 2"/1.25" adapter
100mm Focuser Travel Length
|Type of Mount||Mounting Rings|
|Tube Length||513mm (Fully Retracted)
600mm (Fully Extended)
|Tube Weight||5.18 kg|