Reviews, reviews, reviews...

William Optics FLT 158 Triplet APO F/7.0

William Optics FLT 158 Triplet APO F/7.0

Features a top-quality triplet air-spaced objective with Read more

Best Price at Amazon


Optically unbeatable
Features a top-quality triplet air-spaced objective with FPL-53 glass; custom designed and created by a leading Russian optical designer.This scope delivers extremely sharp images and has a great color correction. It is ideal for astrophotography.
Crayford Focuser
Extra-smooth 3.5" Crayford focuser: a treat to use during astrophotography. No more image shifting!360 deg. rotatable.Extra-heavy duty.Large aluminum knobs.
Patented Design
Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.Ball bearings on both sides of the focuser will make your focusing experience the best you ever experienced with a scope!Graduated scale for precise camera alignment.
DO-all Telescope
Despite of its 158mm objective, the scope is still very compact and solid.The focuser is so strong there is no need for a locking screw.Two-speed microfocuser is STANDARD on all units.
Simply Beautiful Finish
Solid CNC-machined mounting rings.Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, golden finish, retractable dewshield, anodized 360 deg. rotatable crayford focuser, dewshield cap.Highly precise CNC machined lens cell.
Total Quality Package
2" & 1.25" adapters included.All with brass anti-marring compression rings.168mm mounting rings included in the price.
High Quality Aluminum Case
Stow away your telescope in the practical and safe aluminum 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!
Focal Ratio
Focal Length
Objective Type
Air-spaced Triplet, Apochromatic objective
Lens Shade
3.5" Crayford Focuser, rotatable design
1.25" Adapter
Type of Mount
Mounting Rings
Tube Length
990mm (Fully Retracted)
Tube Weight
15 kg
Release Date
First seen
2 February 2009