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Items 1 - 25 of 252
William Optics 3.5" to 2" RotoLock Visual Back Adapter
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$168.00
William Optics 1.25" Dura Bright Digaonal for Star71 Refractor

William Optics 1.25" Dura-Bright Diagonal for Star71 Telescope - D-125D-WO71

SKU: WYO-D-125D-WO71
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: M65x1 Male Thread
  • Optics Type and/or Coatings: DuraBright Coatings
$135.00
William Optics Padded Soft Carry Case for FLT132 - Foam Not Included

William Optics FLT132 Soft Carry Case with Pre-Cut Foam - BG1-P005-A01BL01

SKU: WYO-BG1-P005-A01BL01
  • Case/Cover Dimensions (LxWxH): 35.4" x 8.3" x 11.02" (900 mm x 210 mm x 280 mm) - External
  • Known to Fit: William Optics FLT132 OTA
$298.00
William Optics 2" Dura Bright RotoLock Diagonal

William Optics 2" Durabright RotoLock Diagonal - D-DIG2D-ROTO-A2

SKU: WYO-D-DIG2D-ROTO-A2
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 2" Barrel
  • Diagonal Size - Telescope Side: 2" Barrel
  • Includes Eyepiece Adapter: No, 1.25" Eyepiece Adapter Sold Separately
  • Optics Type and/or Coatings: DuraBright Coatings
$198.00
William Optics 2" to 1.25" RotoLock Adapter

William Optics 2" to 1.25" RotoLock Adapter - Gold - F-ROTO-A2-125GD

SKU: WYO-F-ROTO-A2-125GD
  • 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
William Optics 8x42 Semi APO Binoculars

William Optics 8 X 42 Semi APO Binoculars - H-B8X42ED

SKU: WYO-H-B8X42ED
  • Binoculars by Aperture: 42mm
  • Binoculars by Magnification: 8X
  • Binoculars by Body Size: Standard Binoculars (35mm to 56mm)
  • Weight (ounces): 24
  • Prism Design: Roof Prism
$188.00
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 Nosepiece for 2" Diagonal - WD-DIG2A

SKU: WYO-WD-DIG2A
  • This nosepiece converts a standard 2" SCT into a "push in" 2" diagonal.

  • To use this tool, replace the SCT adapter with the nosepiece.

  • Please note that this WO nosepiece will not work with 1.25" diagonals or 2" diagonals that have a built-in SCT mounting ring.

  • This is a great way to change your SCT diagonal to a "refractor type" diagonal.
$30.00
William Optics 10x42 Semi APO Binoculars

William Optics 10 X 42 Semi APO Binoculars - H-B10X42ED

SKU: WYO-H-B10X42ED
  • Binoculars by Aperture: 42mm
  • Binoculars by Magnification: 10X
  • Binoculars by Body Size: Standard Binoculars (35mm to 56mm)
  • Weight (ounces): 23
  • Prism Design: Roof Prism
$188.00
William Optics SCT to Flattener 6 Adapter

William Optics SCT to Flattener 6 Adapter - AD4-A015

SKU: WYO-AD4-A015
  • Adapter Connector Type - Side A: Small SCT (2")
  • Adapter Connector Type - Side B: 50 mm x 0.75 Pitch
$28.00
William Optics Soft Carry Case for 71 mm Telescopes - No Foam

William Optics Soft Carry Case for Z71 - No Foam - BG1-P004

SKU: WYO-BG1-P004
  • Case/Cover Dimensions (LxWxH): 15.75" x 6.5" x 12.5" - External
  • Known to Fit: William Optics Z71 Telescope
$59.00
William Optics Soft Carry Case with No Foam for GTF81 and GT81 Refractors

William Optics Soft Carry Case for GTF81 and GT81 - No Foam - BG1-P002

SKU: WYO-BG1-P002
  • Case/Cover Dimensions (LxWxH): 20.55" x 7" x 13.25" - External
  • Known to Fit: William Optics GTF81 and GT81 Telescopes
$58.00
William Optics Soft Carry Case for FLT98, FLT110, GT102, & GTF102 - No Foam

William Optics Soft Carry Case for FLT98, FLT110, GT102, GTF102 - No Foam - BG1-P001

SKU: WYO-BG1-P001
  • Case/Cover Dimensions (LxWxH): 30.315" x 13.7795" x 9.44882" (770mm x 350mm x 240mm) - External
  • Known to Fit: William Optics FLT98, FLT110, GT102, GTF102 Telescopes
$168.00
William Optics 71 ZenithStar Telescope

William Optics 71 mm ZenithStar Doublet ED Refractor - A-Z71A

SKU: WYO-A-Z71A
  • Optical Design: Refractor
  • Telescope Aperture: 71mm (2.8")
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
$558.00

William Optics 71 mm ZenithStar Doublet ED Refractor with Field Flattener - Z71A-P

SKU: WYO-A-Z71A-P
  • Optical Design: Refractor
  • Telescope Aperture: 71mm (2.8")
  • Focal Ratio: f/5.8
  • Telescope Mount Type: No Mount - OTA Only
  • Type of Electronics: OTA Only - No Electronics
$648.00
William Optics 1.25" Dielectric Diagonal with Carbon Fiber Side Plates

William Optics 1.25" Dielectric Diagonal W/ Carbon Fiber Plates - D-125D-C-DB

SKU: WYO-D-125D-C-DB
  • Diagonal Type: Mirror Diagonal
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
  • Optics Type and/or Coatings: Dielectric Coatings
$95.00
William Optics 45º Erect Prism - 1.25"

William Optics 1.25" 45° Erect Prism - D-EP125

SKU: WYO-D-EP125
  • Diagonal Type: Correct/Erect Image
  • Diagonal Size - Eyepiece Side: 1.25" Barrel
  • Diagonal Size - Telescope Side: 1.25" Barrel
$80.00
William Optics 2x Barlow Nosepiece for Binoviewers - 1.25"

William Optics 1.25" 2x Barlow Nosepiece for Binoviewers - E-BINO-B2

SKU: WYO-E-BINO-B2
  • Using this Barlow nosepiece will double the power of the eyepieces used with the Binoviewers.

  • The barrel of this William Optics Barlow is 1.25".

  • William Optics' Barlow Nosepiece will screw into 1.25" eyepieces and binoviewers.

  • Though not included, this 2x Barlow nosepiece can be used in conjunction with an extender.
$38.00
William Optics Binoviewer Package with Eyepieces & Barlow

William Optics Binoviewer W/Eyepieces & Barlow Nosepiece - E-BINO-P

SKU: WYO-E-BINO-P
  • For finetuning this William Optics Binoviewer has eyepiece focus adjustment.

  • This WO binoviewer has fully-multi coated optical elements.

  • Included with this Binoviewer are two William Optics 20 mm, 1.25" eyepieces.

  • The use of non-marring compression rings protect the inserted eyepieces.
$268.00
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 9 mm SWAN 1.25" Eyepiece

William Optics 9 mm Super Wide Angle 1.25" Eyepiece - E-SWA09

SKU: WYO-E-SWA09
  • Focal Length: 9 mm
  • Apparent Field of View: 72
$79.00
William Optics 20 mm SWAN Eyepiece - 1.25"

William Optics 20 mm Super Wide Angle 1.25" Eyepiece - E-SWA20

SKU: WYO-E-SWA20
  • Focal Length: 20 mm
  • Apparent Field of View: 72
$79.00
William Optics 25 mm SWAN 2" Eyepiece

William Optics 25 mm Super Wide Angle 2" Eyepiece - E-SWA25

SKU: WYO-E-SWA25
  • Focal Length: 25 mm
  • Apparent Field of View: 72
$118.00
William Optics Black Vixen Style Dovetail Plate - 7.9"

William Optics Vixen-Style 7.9" Dovetail Plate - Black - M-PVB

SKU: WYO-M-PVB
  • Type of Mounting Hardware: Dovetails Only
  • Dovetail or Attachment Type: V-Series (Vixen)
  • Dovetail, Saddle or Mount Adapter Length: 7.9"
$39.00
William Optics 33 mm Super Wide Angle 2" Eyepiece

William Optics 33 mm Super Wide Angle 2" Eyepiece - E-SWA33

SKU: WYO-E-SWA33
  • Focal Length: 33mm
  • Apparent Field of View: 72
$118.00