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Telescope Accessories & Parts

Items 1 - 25 of 158
William Optics 2" Dura Bright Dielectric SCT Diagonal

William Optics 2" Dura Bright Dielectric SCT Diagonal w/ Built-In Thermometer - D-DIG2D-C-DB-SCT

SKU: WYO-D-DIG2D-C-DB-SCT
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: SCT Threads
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: DuraBright Coatings
$149.00
William Optics 12.5 mm Super Planetary Long Relief Eyepiece

William Optics 12.5 mm Super Planetary Long Eye Relief Eyepiece - E-SPL125

SKU: WYO-E-SPL125
  • Focal Length: 12.5mm
  • Apparent Field of View: 55
$108.00
William Optics 2 Inch Rotolock M54 for Zenithstar 61 Silver
$88.00
William Optics 2 Inch Rotolock M63 for Gran Turismo 71 Silver
$88.00

William Optics M48 T-Mount for Fuji FX - Space Gray - YE-TR-M48FX-TG

SKU: WYO-YE-TR-M48FX-TG
  • DSLR, SLR or Mirrorless Adapters by Brand: Fuji
  • Threads: 48 mm T-Mount
  • Construction Material: CNC-Machined Aluminum
  • Features hard gray anodizing
$39.00

William Optics Dura Bright 2" Carbon Dielectric Diagonal - D-DIG2D-C-DB-T

SKU: WYO-D-DIG2D-C-DB-T
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: Yes, 2" to 1.25"
  • Optics Type and/or Coatings: Dielectric Coatings
$139.00

William Optics 0.8x Reducer/Flattener - P-FLAT7A

SKU: WYO-P-FLAT7A
  • This William Optics 0.8x reducer/flattener is adjustable for optimum back focus.
  • Adjustment depends on the William Optics refractor with which the flattener is used.
  • This flattener is meant to work with the FLT132, FLT156, GT102, GT153, and the Z126.
  • The FLAT7A is compatible with several types of CCD and CMOS cameras.
  • The flattener is produced with Ohara optical glass.
$598.00

William Optics Cat Series Saddle Handle Bar - Red - M-HCRC-RD

SKU: WYO-M-HCRC-RD
  • Type of Mounting Hardware: Mount Adapters, Stalks & Accessories
  • Color: Red
  • Telescope Compatibility: RedCat, WhiteCat, SpaceCat
  • Ring/GuideScope Compatibility: WO UniGuide, Vixen Style Guide Scopes
$45.00

William Optics Cat Series Saddle Handle Bar - Black - M-HCRC-BL

SKU: WYO-M-HCRC-BL
  • Type of Mounting Hardware: Mount Adapters, Stalks & Accessories
  • Color: Black
  • Telescope Compatibility: RedCat, WhiteCat, SpaceCat
  • Ring/GuideScope Compatibility: WO UniGuide, Vixen Style Guide Scopes
$45.00

William Optics Cat Series Mounting Ring - M-MR50RC-BL

SKU: WYO-M-MR50RC-BL
  • Type of Mounting Hardware: Rings Only
  • Ring Size: 50 mm (1.9")
  • Solid or Split (Cradle) Ring: Solid
$39.00

William Optics 800 mm Mortar Tri-Pier - Red - YG-MT-800-BR

SKU: WYO-YG-MT-800-BR
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is either 800 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
Free shipping Free shipping
$628.00

William Optics Image Plane Tilt Adjuster for Cat51 Upgrade - M-FD-RC51

SKU: WYO-M-FD-RC51
  • Made for Cat Series Refractors
  • Comes with a M48 Filter Thread
  • Used as an upgrade for first generation Cat Series Scopes
  • Includes push screws and pull screws
$45.00
$45.00

William Optics 1.25" RotoLock Adapter - Gold - F-ROTO-A2-125GDII

SKU: WYO-F-ROTO-A2-125GDII
  • This Rotolock adapter locks into the 2” opening of a WO Rotolock diagonal or focuser.
  • This is a steppingstone to attaching 1.25” barreled accessories.
  • Rotating the adapter ring will lock and unlock the inserted accessory into place.
  • Using this adapter will ensure that your accessory is centered.
$45.00
$45.00

William Optics 1000 mm Mortar Tri-Pier - Red - YG-MT-1000-BR

SKU: WYO-YG-MT-1000-BR
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is 1000 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
$628.00

William Optics 1000 mm Mortar Tri-Pier w/ iOptron Adapter - Red - YG-MT-1000-BR-IOPTRON

SKU: WYO-YG-MT-1000-BR-IOPTRON
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is 1000 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
$628.00

William Optics 800 mm Mortar Tri-Pier - Red - YG-MT-800-BR-IOPTRON

SKU: WYO-YG-MT-800-BR-IOPTRON
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is either 800 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
Free shipping Free shipping
$628.00

William Optics 1000 mm Mortar Tri-Pier w/ iOptron Adapter - Gold - YG-MT-1000-GB-IOPTRON

SKU: WYO-YG-MT-1000-GB-IOPTRON
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is 1000 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
$628.00

William Optics 800 mm Mortar Tri-Pier - Gold - YG-MT-800-GB-IOPTRON

SKU: WYO-YG-MT-800-GB-IOPTRON
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is either 800 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
Free shipping Free shipping
$628.00

William Optics 1000 mm Mortar Tri-Pier - Gold - YG-MT-1000-GB

SKU: WYO-YG-MT-1000-GB
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is 1000 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
$628.00

William Optics 800 mm Mortar Tri-Pier - Gold - YG-MT-800-GB

SKU: WYO-YG-MT-800-GB
  • This William Optics tri-pier is made out of 6061T Aluminum and Stainless Steel.
  • The maximum height of the tri-pier is either 800 mm.
  • William Optics Tri-Pier is compatible with iOptron, Sky-Watcher, Crux, Takahashi, and Vixen mounts.
  • Choosing this WO tripod means you will have the stability of a pier with the flexibility of a tripod.
Free shipping Free shipping
$628.00
$85.00

William Optics M63 (Female) to 2" Push-In Adapter for P-FLAT6AIII - YE-M63F-2IN-PI

SKU: WYO-YE-M63F-2IN-PI
  • Adapter Connector Type - Side A: M63
  • Adapter Connector Type - Side B: 2" Push-In
$38.00

William Optics Bahtinov Mask Cover for WO Z61 Telescopes - Gold - CPBM-61GD

SKU: WYO-CPBM-61-GD
  • Focus Masks & Caps Known to Fit: William Optics Z61 Telescopes
$78.00
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