Focus Scientific

William Optics has a reputation for high-end and affordable telescopes and accessories. Their philosophy of “More quality for Less money” is aimed at making instruments outside the reach of the average pocket, such as apochromatic refractors, affordable and easy to get hold of for anybody who wants to.

Serious stargazer can appreciate the optical and mechanical excellence of a William Optics telescope.

William Optics cooperate with some of the most famous companies, both as suppliers and partners and as OEM clients, their established international presence and a growing market response and appreciation, testify to their commitment to deliver only the very best to you.

Totally focused on offering premium optics paired with unrivalled mechanics, all for an outstanding final value.

Focus Scientific sells the complete line of William Optics products. If you don't see it on our website, please contact us.

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USED William Optics Fluoro-Star Triplet 110mm f/6.5 Oil-spaced Apochromat OTA

Manufacturer
William Optics
Model
WOFLT110F6.5u
William Optics 90 ° Erecting Diagonal for RedCat (1.25")

Manufacturer
William Optics
William Optics Adjustable Flat61 for Z-61 APO Refractors

Manufacturer
William Optics
Model
P-FLAT61A
William Optics Flattener 68III for f/6-7.5 Refractors

Manufacturer
William Optics
Model
P-FLAT68III
William Optics Flattener 7 0.8x Reducer Flattener for FLT132

Manufacturer
William Optics
Model
P-FLAT7
William Optics Flattener 8 0.72x Reducer Flattener for f/6-7.8 Refractors

Manufacturer
William Optics
Model
P-FLAT8
William Optics Fluorostar 132mm f/7 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-F132-RP33RII-blue
William Optics Fluorostar 132mm f/7 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-F132-RP33RII-gold
William Optics Fluorostar 132mm f/7 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-F132-RP33RII-red
William Optics Gran Turismo 153mm f/7.8 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-F153GT-blue
William Optics Gran Turismo 153mm f/7.8 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-F153GT-gold
William Optics Gran Turismo 153mm f/7.8 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-F153GT-red
William Optics Gran Turismo 71mm f/5.9 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-F71GT-gold
William Optics Gran Turismo 81mm f/5.9 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-F81GTII-blue
William Optics Gran Turismo 81mm f/5.9 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-F81GTII-gold
William Optics Gran Turismo 81mm f/5.9 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-F81GTII-red
William Optics Red Dot Finder with Mounting Base

Manufacturer
William Optics
Model
M-RDF-P-VB
William Optics RedCat 51 250mm f/4.9 APO Telephoto Lens

Manufacturer
William Optics
Model
A-CAT51-R
William Optics Vixen Style Mount Base w/ Extension Bar for Star Adventurer and SkyGuider Pro

Manufacturer
William Optics
Model
YG-IO-SGSW01-P
William Optics Vixen Style Mounting Base

Manufacturer
William Optics
Model
BAFM-ST001
William Optics WhiteCat 51 250mm f/4.9 APO Telephoto Lens

Manufacturer
William Optics
Model
A-CAT51-W
William Optics Zenithstar 103mm f/6.9 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-Z103-blue
William Optics Zenithstar 103mm f/6.9 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-Z103-gold
William Optics Zenithstar 103mm f/6.9 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-Z103-red
William Optics Zenithstar 126mm f/7.7 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-Z126-RP33-blue
William Optics Zenithstar 126mm f/7.7 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-Z126-RP33-gold
William Optics Zenithstar 126mm f/7.7 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-Z126-RP33-red
William Optics Zenithstar 61mm f/5.9 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-Z61-blue
William Optics Zenithstar 61mm f/5.9 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-Z61-gold
William Optics Zenithstar 61mm f/5.9 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-Z61-red
William Optics Zenithstar 73mm f/5.9 Apochromat Refractor OTA (Blue)

Manufacturer
William Optics
Model
A-Z73-blue
William Optics Zenithstar 73mm f/5.9 Apochromat Refractor OTA (Gold)

Manufacturer
William Optics
Model
A-Z73-gold
William Optics Zenithstar 73mm f/5.9 Apochromat Refractor OTA (Red)

Manufacturer
William Optics
Model
A-Z73-red
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