Special Offers

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  • Mounting Rings 90mm
    In Stock ! High quality solid aluminum material with anodized black mounting rings makes your telescope looks outstanding. In stock, order now. These 90 mm, felt-lined mounting rings are made out of solid aluminum, anodized, and will fit most 90 mm OD tubes, and all William Optics 80 and 90m..
  • NEW PRODUCT  Zenithstar 71 Doublet ED
    (New and Compact Scope from William Optics) Free Shipping with 1.25" Carbon Fiber Look Diagonal Included, Order Now ! (High Quality) ZenithStar 71mm DOUBLET ED(FPL51) A NEW ZenthStar series has been born-again, a beautiful 71mm doublet telescope come with 2" Rack & Pinion style dual spe..
  • New Style 50mm Finder Bracket
    Price reduced~ Buy Now ! This excellent new quick-release 50mm finderscope bracket is easy to use, very convenient and great value. Its a perfect addition to your telescope: no need to waste time mounting the bracket and finderscope every night! Suitable for 50mm and larger Erecting Finder Sco..
  • PAIR of 66 degree- 20mm eyepieces
    In stock! Free Shipping !   Incredible deal - perfect for binoviewer and mid-range power usage ! The ultimate 1.25" eyepieces. The perfect compromise between quality, cost, eye-relief and edge sharpness. All with a wide (66 degree F.O.V.) . Ideal for mid. power rich-field bino-viewing...
  • Saddle Plate
    (WEEKLY SPECIAL) Hurry ! Take the discounted price saving before this special price ends. A mount is only half of the equation. Actually less than half! The best telescope and the best mount, still need a versatile mounting plate to go with. William Optics Combo plate (dovetail and saddle plate) ..
  • SPL 12.5mm (1.25") Eyepiece
    In stock & Free Shipping ! William Optics is proud to introduced the SPL (Super Planetary Long eye-relief) eyepieces. This new Planetary Eyepiece series is designed for users with needs of a high-power, sharp and contrast views for planetary observations. The long eye relief is a bonus for pe..