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Canada's top-tier Telescopes & Accessories

William Optics


19 products

  1. $2,474.94 USD

    William Optics: 20th anniversary Golden GT 102 triplet designed with FPL53 F/6.9 OTA, all new 3" focuser , mounting rings and Free dovetail and High quality soft carry bag (2”-1.25” Rotolock adapter is optional accessories).

    Soft carry bag included!

    The new GT102 three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price.

    Package includes:

    -GT 102 three element design with center FPL-53 and other ED element glass (air spaced)

    -Mounting rings

    -Retractable dew shield with lock screw

    -All-new 3" Victory Edition Diamond Crayford design (Zero image shift)

    -2 speed knobs 1:10

    -Aperture: 102mm F6.9

    -Free vixen style dovetail plate

    -Weight: 11 lb

    -Length: 27"

     

    Attention to detail

    • Highly precise CNC machined lens cell.

    • Triple testing each lens by Zygo test to ensure the best optical quality.

    Out of Stock
  2. $2,474.94 USD

    William Optics: 20th anniversary Golden GT 102 triplet designed with FPL53 F/6.9 OTA, all new 3" focuser , mounting rings and Free dovetail and High quality soft carry bag (2”-1.25” Rotolock adapter is optional accessories).

    Soft carry bag included!

    The new GT102 three-element super APO Anniversary offer superb quality for imaging and visual use at an affordable price.

    Package includes:

    -GT 102 three element design with center FPL-53 and other ED element glass (air spaced)

    -Mounting rings

    -Retractable dew shield with lock screw

    -All-new 3" Victory Edition Diamond Crayford design (Zero image shift)

    -2 speed knobs 1:10

    -Aperture: 102mm F6.9

    -Free vixen style dovetail plate

    -Weight: 11 lb

    -Length: 27"

     

    Attention to detail

    • Highly precise CNC machined lens cell.

    • Triple testing each lens by Zygo test to ensure the best optical quality.

    Out of Stock
  3. $9,169.94 USD

    William Optics: FLT 151mm f/5.3 Three element Design with FPL-53 comes with 4" F-Touch focuser and mounting rings.

    Experience the best of the line: the Williams Optics FLT151 Triplet APO f/6.6 Refractor with  All-New 2014 model 3.5" R&P Focuser.

    FLT151 Features a top-quality triplet air-spaced objective using outstanding Ohara FPL-53 type glass which provides superb correction for these refractors. In addition, this lens combination provides very high contrast and a flat image field. For visual observing and also with astrophotography you will discover a wealth of detail and tremendously clear image reproduction.

    Optically unbeatable

    Features a top-quality triplet air-spaced objective with FPL-53 glass; 

    This scope delivers extremely sharp images and has a great color correction. It is ideal for astrophotography.
     

    R & P Focuser

    Extra-smooth All-New 2014 model 3.5" R&P Focuser: a treat to use during astrophotography. No more image shifting! 

    360 deg. rotatable.

    Extra-heavy duty.

    Graduated scale for precise camera alignment

    Two-speed microfocuser is STANDARD on all units

    Large aluminum knobs and protection dual speed cap.


    Simply Beautiful Finish

    Solid CNC-machined mounting rings.

    Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, red color finish, retractable dewshield, anodized 360 deg. rotatable R&P focuser, dewshield cap. 

    Despite of its 151mm objective, the scope is still very compact and solid. 

    Highly precise CNC machined lens cell.
     

    Total Quality Package

    2" & 1.25" adapters included. 

    All with brass anti-marring compression rings. 

    168mm mounting rings included in the price. 

    Though you will never need it, you have a 2-year warranty from WO, and the certainty that we will be there to assist you even beyond that, if you need!

    Aluminum knob's protection cover Included .

    Thermometer knob included .

    Out of Stock
  4. $991.74 USD

    William Optics: 20th anniversary limited GT 71 (3 element FPL53 design) F/5.9, OTA.
    All new 2" focuser , rings, Vixen style dovetail base and High quality ALUMINUM carry case - Limited quantity only

    The stunning new William Optics Gran Turismo 71 Apo is the new jewel of the apochromatic refractor world.  The new GT71 features a 3-element opbjective using high-quality FPL-53 extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.

    Optically Unbeatable

    ·   Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.

    ·   Extremely sharp with excellent color correction.

    ·   Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces

    ·   This f/5.9 lens is ideal for astrophotography. 

    2" V-power Focuser

    ·    Extra-smooth new 2" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting (up to 15Lb.)!

    ·    Comes with two locking screws on angled positions for heavy load applications.

    ·    Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.

    ·    Graduated scale for precise camera alignment.

    Simply Beautiful Finish

    ·    quality fit and finish: powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap.

    ·    Top quality anodizing.

    ·    Very compact for carrying on flights.

    Accessories NOT Included:

    - Finder Bracket (Optional)

    - Finder Scope (Optional)

    What's in the box?

    • Aluminium Carry Case - 2 Keys
    • 1.25" - 2" adapter
    • GT71 20th Anniversary Edition
    • 2 Mounting Rings
    • Dovetail Plate
    • 2 Years Warranty Card
    Out of Stock
  5. $1,218.34 USD

    William Optics: Gold WO-Star 71 (4 element design) F/4.9, OTA. 2.5" R&P focuser , Vixen style dovetail base , aluminum knob protection cover and High quality soft carry bag

    Features

    This scope is ultimately designed for astronomers who want the best results in photographic/CCD imaging. The WO-Star71 imaging telescope provides pinpoint stars at the very edge of a 45mm imaging circle.

    Key Features

      71mm f/4.9 Imaging Refractor Telescope.

      FPL-53 glass for color free apochromatic performance.

      4 elements in 3 groups (2-1-1- configuration; new, unique, patented design - not a conventional objective/flattener/reducer design).

      Covers 48mm full frame imaging circle.

      2.5" dual speed R&P focuser.

      Includes mounting rings and Vixen style dovetail.

      Weight = 4.19 lbs / 1.9 kg (OTA only); 4.85 lbs / 2.2 kg (OTA with rings and dovetail).

      Focuser drawtube travel = 2.5" / 35mm.

    Additional Information

      Focuser drawtube terminates in a male M48 thread. Telescope does not come with a wide M48-Canon EOS adapter ring. Similar rings are available from other supplier for other brands of cameras. Not a conventional 2" focuser tube with locking thumbscrews..

      Optional 1.25" 90-deg dielectric mirror diagonal sold separately for those wishing to use this as a visual. This diagonal comes with a custom adapter that connects directly to the M63 female thread on the telescope's focuser tube; you cannot use standard 1.25" diagonals. Telescope cannot reach focus with larger 2" diagonals.

    Out of Stock
  6. $1,218.34 USD

    William Optics: Blue WO-Star 71 ( 4 element design) F/4.9, OTA. 2.5" R&P focuser , Vixen style dovetail base , aluminum knob protection cover and High quality soft carry bag (Limited)

    Features

    This scope is ultimately designed for astronomers who want the best results in photographic/CCD imaging. The WO-Star71 imaging telescope provides pinpoint stars at the very edge of a 45mm imaging circle.

    Key Features

      71mm f/4.9 Imaging Refractor Telescope.

      FPL-53 glass for color free apochromatic performance.

      4 elements in 3 groups (2-1-1- configuration; new, unique, patented design - not a conventional objective/flattener/reducer design).

      Covers 48mm full frame imaging circle.

      2.5" dual speed R&P focuser.

      Includes mounting rings and Vixen style dovetail.

      Weight = 4.19 lbs / 1.9 kg (OTA only); 4.85 lbs / 2.2 kg (OTA with rings and dovetail).

      Focuser drawtube travel = 2.5" / 35mm.

    Additional Information

      Focuser drawtube terminates in a male M48 thread. Telescope does not come with a wide M48-Canon EOS adapter ring. Similar rings are available from other supplier for other brands of cameras. Not a conventional 2" focuser tube with locking thumbscrews..

      Optional 1.25" 90-deg dielectric mirror diagonal sold separately for those wishing to use this as a visual. This diagonal comes with a custom adapter that connects directly to the M63 female thread on the telescope's focuser tube; you cannot use standard 1.25" diagonals. Telescope cannot reach focus with larger 2" diagonals.

    Out of Stock
  7. $471.59 USD

    William Optics: The Zenithstar 61 is designed for both daytime and nighttime viewing, as an outstanding travel scope. We recommend purchasing a WO 2” star diagonal to make the most of these little telescopes.
    Since the Zenithstar 61 is well suited to viewing nebulae, clusters, large galaxies, andcomets, we recommend the use of high-quality wide-angle eyepieces. The WO SWAN, XWA, and SPL series eyepieces are available in a variety of focal lengths. Viewing the moon and planets is also impressive at magnifications of 120X when the seeing conditions permit.
    To calculate the magnification of your telescope and eyepiece combination, divide the telescope focal length in mm by the eyepiece focal length in mm.
    Keep in mind that the atmosphere plays an important role in seeing conditions, and only the best-seeing conditions will support high power viewing. Additional power under less than ideal seeing conditions will not result in an increase in viewable details, and lower powered eyepieces should there be used under those conditions. It’s easiest to locate objects using low-power eyepieces (20X magnification) and then zoom in by switching to higher powered eyepieces. The largest field of view will be seen using a 12x low power-wide field of view eyepiece.
    A stable tripod or mount is recommended for optimal viewing. This includes high-quality photography tripods, and German Equatorial mounts, which are designed for astronomical use and include precise tracking of celestial objects. Optional accessories from WO include mounting rings and plates, super high quality 2” Quartz star diagonals which provide for superior viewing and high-quality images.
    The Zenithstar Telescopes are suitable for large-field astrophotography; Zenithstar 61 has a great color correction at a fast speed of f5.9.

    Out of Stock
  8. $471.59 USD

    William Optics: The Zenithstar 61 is designed for both daytime and nighttime viewing, as an outstanding travel scope. We recommend purchasing a WO 2” star diagonal to make the most of these little telescopes.
    Since the Zenithstar 61 is well suited to viewing nebulae, clusters, large galaxies, andcomets, we recommend the use of high-quality wide-angle eyepieces. The WO SWAN, XWA, and SPL series eyepieces are available in a variety of focal lengths. Viewing the moon and planets is also impressive at magnifications of 120X when the seeing conditions permit.
    To calculate the magnification of your telescope and eyepiece combination, divide the telescope focal length in mm by the eyepiece focal length in mm.
    Keep in mind that the atmosphere plays an important role in seeing conditions, and only the best-seeing conditions will support high power viewing. Additional power under less than ideal seeing conditions will not result in an increase in viewable details, and lower powered eyepieces should there be used under those conditions. It’s easiest to locate objects using low-power eyepieces (20X magnification) and then zoom in by switching to higher powered eyepieces. The largest field of view will be seen using a 12x low power-wide field of view eyepiece.
    A stable tripod or mount is recommended for optimal viewing. This includes high-quality photography tripods, and German Equatorial mounts, which are designed for astronomical use and include precise tracking of celestial objects. Optional accessories from WO include mounting rings and plates, super high quality 2” Quartz star diagonals which provide for superior viewing and high-quality images.
    The Zenithstar Telescopes are suitable for large-field astrophotography; Zenithstar 61 has a great color correction at a fast speed of f5.9.

    Out of Stock
  9. $471.59 USD

    William Optics: The Zenithstar 61 is designed for both daytime and nighttime viewing, as an outstanding travel scope. We recommend purchasing a WO 2” star diagonal to make the most of these little telescopes.
    Since the Zenithstar 61 is well suited to viewing nebulae, clusters, large galaxies, andcomets, we recommend the use of high-quality wide-angle eyepieces. The WO SWAN, XWA, and SPL series eyepieces are available in a variety of focal lengths. Viewing the moon and planets is also impressive at magnifications of 120X when the seeing conditions permit.
    To calculate the magnification of your telescope and eyepiece combination, divide the telescope focal length in mm by the eyepiece focal length in mm.
    Keep in mind that the atmosphere plays an important role in seeing conditions, and only the best-seeing conditions will support high power viewing. Additional power under less than ideal seeing conditions will not result in an increase in viewable details, and lower powered eyepieces should there be used under those conditions. It’s easiest to locate objects using low-power eyepieces (20X magnification) and then zoom in by switching to higher powered eyepieces. The largest field of view will be seen using a 12x low power-wide field of view eyepiece.
    A stable tripod or mount is recommended for optimal viewing. This includes high-quality photography tripods, and German Equatorial mounts, which are designed for astronomical use and include precise tracking of celestial objects. Optional accessories from WO include mounting rings and plates, super high quality 2” Quartz star diagonals which provide for superior viewing and high-quality images.
    The Zenithstar Telescopes are suitable for large-field astrophotography; Zenithstar 61 has a great color correction at a fast speed of f5.9.

    Out of Stock
  10. $610.64 USD

    William Optics: New ZenithStar 73 , F/5.9 FPL53 doublet APO in Blue , 2.5" R&P focuser with Vixen style dovetail , Mounting rings and Guiding rings. - Blue

    WO-Z73-N.jpg

    WO-Z73Box.jpg

    Out of Stock
  11. $610.64 USD

    William Optics: New ZenithStar 73 , F/5.9 FPL53 doublet APO in Blue , 2.5" R&P focuser with Vixen style dovetail , Mounting rings and Guiding rings. - GOLD

    WO-Z73-N.jpg

    WO-Z73Box.jpg

    Out of Stock
  12. $610.64 USD

    William Optics: New ZenithStar 73 , F/5.9 FPL53 doublet APO in Blue , 2.5" R&P focuser with Vixen style dovetail , Mounting rings and Guiding rings. - RED

    WO-Z73-N.jpg

    WO-Z73Box.jpg

    Out of Stock
  13. $65.77 USD
    2 in stock
    Back Order / Waiting List

    William Optics: Soft carry case for 71mm series telescope. Made of high quality nylon fabric with water resistant coating on the inside surface. Features the company name and swan logo on the outside, carrying handles, and shoulder strap.

    Please note that the case is not padded and foam is not included. This bag requires that you use the original foam that your 71mm series telescope came boxed in.

    Specifications: outside dimensions of the case will be 15.75" (L) x 6.5" (W) x 12.5" (H).

    Case weighs 1lb-4oz.

  14. $95.64 USD

    William Optics: 2 inch Rotolock M63 for Gran Turismo 71 BLUE

    Out of Stock
  15. $95.64 USD

    William Optics: 2 inch Rotolock M63 for Gran Turismo 71 RED

    Out of Stock
  16. $136.84 USD

    William Optics: All new, a unique, RotoLock high-quality fully multi coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics and other telescopes.
    The tube diameter is 54mm and dew shiled of 58mm.

    Convenient
    • Guiding scope gives sharpest image and straight through viewing with an inverted image.
    • High-quality 50 mm objective.
    • 5.7 deg field of view.

    Nice Fit & Finish
    • White Powder painted with 1.25" color RotoLock.

    •Perfectly suited for William Optics or other refractor.

    •Guide Scope Weight: 460g

    Out of Stock
  17. $136.84 USD

    William Optics: All new, a unique, RotoLock high-quality fully multi coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics and other telescopes.
    The tube diameter is 54mm and dew shiled of 58mm.

    Convenient
    • Guiding scope gives sharpest image and straight through viewing with an inverted image.
    • High-quality 50 mm objective.
    • 5.7 deg field of view.

    Nice Fit & Finish
    • White Powder painted with 1.25" color RotoLock.

    •Perfectly suited for William Optics or other refractor.

    •Guide Scope Weight: 460g

    Out of Stock
  18. $208.94 USD

    William Optics: Cross Platform
    The FLAT6AIIi brings imaging to a next level of adjustability and image quality.  You will gain from the interchangeable design across many WO lens with this one flattener.  
    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 refractors.  Wo flat 6AIII will provide good illumination and flat field across 97% of the full frame sized sensors.
    Full frame Size
    - Designed with nearly Full frame chip-size DSLR cameras in mind.
    - FMC triplet APO design
    - Produced entirely wikth the best ohara optical glasses.

    Amazing
    - Reducing factor 0.8X
    - Adjustable design, for perfect back focus it can be sused with other models of refractor
    - 48mm filter ready

    Superb Finish
    - William Optics polished anodized finish
    - All internal surfaces threaded and blackenend to prevent reflections.

    Easy to use
    - Will accept any standard 48mm T-ring for your camera.

    Suitable for 
    -GT71, GT81, Z8, Z103

    Adjustable distance
    - GT71 = 9.1mm
    - GT81 = 7.1mm
    - Z81 = 5.2mm
    - Z103 = 2.5mm

    Out of Stock
  19. From $1,238.94 USD
    Back Order / Waiting List

    William Optics: When you are looking at deep sky object in a starry night, have you ever dreamed about taking beautiful photos with clear details?
    By using the FLP-53 glass, our Zenithstar 103 APO provides apochromatic grade/ color correction, extreme sharpness clear details, and colorful images. With our 0.8 reducer flattener the image circle is up to full frame  and the focal length is about 560 mm, that's perfect for imaging deep sky objects. 

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