William Optics Flat7 for FLT132, ZS126 and(GT102 optional*)

Field Flattener for FLT132 or GT102 (with optional adaptor)


William Optics Flat6AII for GT81, GT102 and ZS103 Telescopes

New Adjustable Flat6All (T-mount not included)

Field flattener / X0.8 Reducer.

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat 6All will provide good illumination and flat field across 97% of full frame sized sensors.

Full frame size
Designed with nearly Full frame chip-size DSLR cameras in mind.
FMC tripllet APO design.
Produced entirely with the best Ohara optical glasses.
Reducing factor 0.8X.
Adjustable design, for perfect back focus it can be used with other models of refractor
48mm filter ready
Superb Finish
William Optics polished anodized finish.
All internal surfaces threaded and blackened to prevent reflections.
Will accept any standard 48mm T-ring for your camera.


William Optics 1.25" Carbon Fibre Dielectric Diagonal

Superb quality 1.25" Dielectric coated diagonal.

Much better performance than low cost mirror or prism diagonals.

Technical Specs:

Ultra High Dielectric 99% reflectivity
Precision 1/10 lambda surface with
10mm-thick mirror.
Barrel threaded to fit a variety of filters.
Weight : 210 g


William Optics Durabrite 2 Inch Dielectric Coated CF Diagonal with CF Body

If what you are looking for is the highest achievable brightness, contrast and sharpness during critical observations with high-end instruments, The WO 90 2 inch mirror Dielectric star Diagonal is your choice. A premium product at a discounted price!

Technical Specs:

Ultra High Dielectric 99% reflectivity
Precision 1/10 lambda surface with
10mm-thick mirror.
2"- 1.25" adapter with brass clamping ring.
Inside diameter (48mm): threaded to fit a variety of filters.
Weight : 470 g
CF Body


William Optics Vixen Compatible Dovetail Plate

This dovetail fits the Eztouch and other mountings with a Vixen or Skywatcher compatible dovetail system.

Very rigid and works well with WO scopes fitted with the L shaped mounting bracket.


2 Inch prime Focus Camera Adaptor

The ideal 2" camera adapter for prime focus photography. Featutes T-Thread.


2 Inch Extender Tube

William Optics 2 Inch extender tube - ideal for straight through imaging.

Features brass compression ring.


William Optics 90mm CNC Tube Rings

High quality solid aluminum material with anodized black mounting rings makes your telescope looks outstanding. These 90 mm, felt-lined mounting rings are made out of solid aluminum, anodized, and will fit any scope with an outside diameter of 90mm, including scopes such as the Megrez 80, Zenithstar 80, GT81 etc


William Optics SCT Connection for 2" Push Fit Diagonals

Want to turn your standard push-in diagonal into an SCT diagonal without committing extra funds to a brand-new diagonal?

If you have a William Optics refractor diagonal (or clones), you can now purchase this simple adapter to turn it into and SCT diagonal, which you can use on SCT, our own ZenithStar 66 series and any other scope requiring an SCT diagonal.
Simply remove the push in nosepiece and replace with this.


William Optics Universal Digiscoping Adaptor

This digital camera adaptor is suitable for any digital camera with 1/4x20 thread tripod socket.

It facilitates easy connection of just about any consumer digital camera to your telescope for eyepiece projection astophotography.

Ian's Thoughts:

A good simple to use afocal adaptor

Technical Specs:

Suitable scope eyepiece OD from 28-45mm
Max. Platform load 2 kg (4.5 lbs.)
Material ABS on plate and Aluminum body
Large clamp adjusting knob (eyepiece or scope clamp)
2 platform grooves
One 1/4x20 thread socket for DC
Vertical and horizontal fine-motion knobs
Tripod socket with 1/4x20 threads