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William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope
William Optics Slide-Base UniGuide 32mm Scope

William Optics Slide-Base UniGuide 32mm Scope

by William Optics
SKU WO-M-G32PB-RD
CA$189.00 - CA$189.00
CA$189.00
CA$189.00 - CA$189.00
CA$189.00
Price Match Policy!
  • 32mm Doublet Objective Lens
  • Fast f/3.75 Focal Ratio
  • 120mm Focal Length
  • Integrated Vixen/Synta-Style Slide-Base
  • Ultra-Lightweight at 0.23 kg (0.51 lbs)
3 in stock
Qualifies for FREE Shipping in Canada on orders over $500.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • William Optics Slide-Base UniGuide 32mm Scope

    The William Optics Slide-Base UniGuide 32mm Scope integrates a fast f/3.75 optical system with a 120mm focal length into a rigid, featherlight 0.23 kg assembly. Its 32mm doublet objective lens provides bright, sharp guide stars, while the compact 147mm tube and integrated slide-base mount are engineered to eliminate the differential flexure that plagues traditional ring-mounted guide scopes.

    Fast f/3.75 Optics: A 32mm Doublet for Bright Guide Stars

    At the heart of the UniGuide is a 32mm air-spaced doublet lens with full multi-coatings. This design delivers high-contrast images, rendering potential guide stars as sharp, tight points. The fast f/3.75 focal ratio works with the 120mm focal length to produce a bright image, allowing your guide camera to use shorter exposures and track stars more effectively, even in areas of the sky with fewer bright targets.

    Integrated Slide-Base Mount: A Rigid 0.23 kg Guiding Solution

    Weighing only 0.23 kg (0.51 lbs), the UniGuide adds minimal load to your mount. Its key innovation is the integrated Vixen/Synta-style slide-base, designed to attach directly to the handle bar or saddle of compatible William Optics telescopes. This single-piece construction creates a solid, flex-free connection between your imaging scope and guide scope, which is critical for maintaining accurate tracking over long exposures.

    1.25" and M42 Threads: Universal Guide Camera Compatibility

    The UniGuide is designed for broad compatibility with the most popular guide cameras on the market. It features a standard 1.25" eyepiece holder with a secure locking mechanism, as well as a male M42x0.75 T-thread for direct, rigid connection to cameras that support it. This dual-interface system ensures you can securely mount compact guiders like the ZWO ASI120MM Mini or Starlight Xpress Lodestar for a stable, reliable setup.

    The 0.23 kg UniGuide vs. Rings: Eliminating Differential Flexure

    Traditional guide scopes rely on adjustable rings, which introduce multiple points of potential sag, slippage, and flexure as the telescope tracks across the sky. The UniGuide's 0.23 kg, single-body design bypasses this entire problem. By mounting directly and rigidly to the main optical tube, it ensures both telescopes move as one, eliminating a primary source of elongated stars and improving the quality of your final images.

  • What guide cameras are compatible with the William Optics UniGuide 32mm?

    The UniGuide 32mm is compatible with a wide range of guide cameras thanks to its dual connection options. You can use any camera with a 1.25" nosepiece or one that can connect via a standard M42 T-thread. This includes popular models like the ZWO ASI120 Mini, QHY5L-II, and Starlight Xpress Lodestar.

    How do I mount the UniGuide 32mm Scope to my telescope?

    The UniGuide features an integrated Vixen/Synta-style slide-base. This allows it to mount directly onto the carrying handle or saddle of most William Optics telescopes without any additional rings or hardware, ensuring a quick, simple, and rigid connection.

    Is the 120mm focal length of the UniGuide 32mm suitable for guiding an 8" SCT at f/10?

    Yes, absolutely. Modern guiding software is extremely accurate at calculating star centroids to a sub-pixel level. The 120mm focal length of the UniGuide provides a wide field of view to easily find guide stars and is more than precise enough to guide a telescope with a focal length of 2000mm or more, such as a typical 8" SCT.

    What is the main advantage of the UniGuide's slide-base over traditional guide rings?

    The primary advantage is the elimination of differential flexure. Traditional rings can sag or allow the guide scope to shift slightly relative to the main telescope, causing guiding errors. The UniGuide's rigid, one-piece mounting system ensures both scopes move in perfect unison, leading to sharper, rounder stars in your long exposures.

    Will the UniGuide 32mm work with a non-William Optics telescope?

    Yes, as long as your telescope has a Vixen-style saddle clamp available where you want to mount the guide scope. The UniGuide's base conforms to the standard Vixen/Synta profile, so it can be attached to any compatible saddle, not just those on William Optics telescopes.

    I'm imaging the North American Nebula (NGC 7000) with a wide-field refractor; is the UniGuide 32mm a good match?

    The UniGuide 32mm is an excellent match for wide-field refractors. Its light weight of 0.23 kg keeps the entire imaging payload balanced and manageable. The 120mm focal length provides a very wide field of view, making it extremely easy to find a suitable guide star within the expansive star fields around targets like the North American Nebula (NGC 7000).

  • Lens Type Doublet Lens
    Diameter 32 mm
    Focal Length 120 mm
    Focal Ratio f/3.75
    Tube Length 147 mm
    Weight 0.23 kg / 0.51 lbs

    • William Optics UniGuide 32mm Scope with Integrated Slide-Base

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  • William Optics 2-Year Warranty