William Optics

90 Items

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William Optics 48mm T Mount for Canon EOS or Nikon

William Optics 48mm T Mount for Canon EOS or Nikon

From £31.00

William Optics DSD Mounting Plates

From £28.00

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$William Optics Diffraction Spikes Bahtinov Focusing Masks$

William Optics Diffraction Spikes Bahtinov Focusing Masks

From £39.00

About 3 times brighter than traditional metal type!

William Optics Vixen Style Equatorial Wedge (Red)

£239.00

~~£249.00~~

$William Optics RedCat 51 III WIFD f/4.9 Petzval Apo Refractor Telescope$ $William Optics RedCat 51 III WIFD f/4.9 Petzval Apo Refractor Telescope$ $William Optics RedCat 51 III WIFD f/4.9 Petzval Apo Refractor Telescope$ $William Optics RedCat 51 III WIFD f/4.9 Petzval Apo Refractor Telescope$

William Optics RedCat 51 III WIFD f/4.9 Petzval Apo Refractor Telescope

£849.00

In Stock!

Vixen Style Mounting Base

£19.00

~~£29.00~~

William Optics 1.25" Dura Bright Dielectric Carbon Fiber Diagonal

£105.00

William Optics 50mm Guiding Scope (with a Unique 1.25 inch RotoLock)

£189.00

~~£199.00~~

In stock!

William Optics 90 Degree 1.25" Erect Prism

£79.00

William Optics Binoviewer

£319.00

Experience three dimensional two-eyed viewing!

William Optics Dura Bright 2" Dielectric Carbon Fiber Diagonal

£149.00

William Optics Losmandy Dovetail Plates

£105.00

William Optics M68 Flattener Adapter

£49.00

William Optics Mounting Rings 90mm

£114.00

These 90 mm, felt-lined mounting rings are made out of solid aluminum, anodized in black and will fit most 90 mm tubes.

William Optics New Adjustable Flat61 Flattener for ZS61

£209.00

1:1 power flattener for the William Optics ZenithStar 61!

William Optics Pleiades 111 f/4.8 6-Element Astrograph

William Optics Pleiades 111 f/4.8 6-Element Astrograph

£3,699.00

In Stock!

William Optics Red Dot Finder

£85.00

~~£95.00~~

Will mount on any scope with a M5 threaded bracket hole.

$William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope$ $William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope$ $William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope$ $William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope$ $William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope$

William Optics RedCat 71 II WIFD f/4.9 Petzval Refractor Telescope

£1,797.00

~~£1,799.00~~

In Stock!

William Optics SCT Adapter for 2" Diagonals

£34.00

~~£37.00~~

Adapter replaces the 2" nosepiece fitted to William Optics (and clones) 2" Diagonals to enable direct connection to SCT telescopes.

William Optics Slide-base UniGuide 32mm Guidescope

William Optics Slide-base UniGuide 32mm Guidescope

£99.00

~~£109.00~~

In stock!

William Optics Slide-base UniGuide 50mm Scope with 1.25 inch RotoLock

£129.00

~~£139.00~~

In stock!

Saddle Plate for Vixen-style Dovetail Plate - 90mm

Saddle Plate for Vixen-style Dovetail Plate - 90mm

£59.00

Wiliam Optics Camera Angle Rotators

From £89.00

William Optics 1.25" 45 degree Erecting Prism

£89.00

~~£99.00~~

William Optics 1.25" RedCat Erecting Prism (for RedCat only)

£104.00

~~£119.00~~

The all new Redcat erecting prism for the William Optics RedCat 51!

William Optics 120mm Saddle Handle Bar

£35.00

~~£39.00~~

William Optics 2'' Rotolock for 2'' Durabright Diagonal

William Optics 2" Rotolock for 2" Durabright Diagonal

£69.00

William Optics 2" RotoLock M54 for ZS61

£85.00

William Optics 2" Rotolock M63

£85.00

William Optics 2"-1.25" RotoLock Visual Back Adapter

£45.00

William Optics 243mm Saddle Handle Bar

£82.00

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William Optics 48mm T Mounts (M48)

From £35.00

William Optics 50mm Guiding Scope (with 1.25" RotoLock)

£125.00

~~£129.00~~

(1)

In stock!

William Optics 60mm M92 Extender

£60.00

William Optics Adjustable Flat73A for Z73

£209.00

Field flattener optically matched for the ZenithStar 73.

William Optics Adjustable Flattener 6A III

William Optics Adjustable Flattener 6A III

£209.00

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.