Optical Accessories
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Original price $124.00 - Original price $124.00Original price$124.00$124.00 - $124.00Current price $124.00| /
William Optics 45° Erecting Prism - 1.25"
WO-D-EP1251 in stockWilliam Optics new 45 Deg. EP will work with any 1.25" eyepieces and scopes with 1.25" eyepiece holders. It will turn upside down images right s...
View full detailsOriginal price $124.00 - Original price $124.00Original price$124.00$124.00 - $124.00Current price $124.00| / -
Original price $130.00 - Original price $130.00Original price$130.00$130.00 - $130.00Current price $130.00| /
William Optics 90° Erect Prism - 1.25"
WO-D-EP90-125II1 in stockAll New 90 Degree 1.25" Erect Prism All New 90 degree high quality Erecting prism With helical Focuser barrel. Another beautiful product exclusiv...
View full detailsOriginal price $130.00 - Original price $130.00Original price$130.00$130.00 - $130.00Current price $130.00| / -
Original price $149.00 - Original price $149.00Original price$149.00$149.00 - $149.00Current price $149.00| /
William Optics 99% Dielectric Dura Bright Diagonal - 1.25"
WO-D-125D-C-DB1 in stockWilliam Optics 1.25" DURA BRIGHT Dielectric Diagonal Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the ...
View full detailsOriginal price $149.00 - Original price $149.00Original price$149.00$149.00 - $149.00Current price $149.00| / -
Original price $213.00 - Original price $213.00Original price$213.00$213.00 - $213.00Current price $213.00| /
William Optics 99% Dielectric Dura Bright Diagonal - 2"
WO-D-DIG2D-C-DB-T1 in stockNow it's good time to get our ultra high quality diagonal at Low price! Limited time only! Order now! New (Dura Bright) Star Diagonal has been bo...
View full detailsOriginal price $213.00 - Original price $213.00Original price$213.00$213.00 - $213.00Current price $213.00| / -
Original price $285.00 - Original price $285.00Original price$285.00$285.00 - $285.00Current price $285.00| /
William Optics Adjustable Flat61 for Z61
WO-P-FLAT61A2 in stockAll New Adjustable Flat61 for Z61 Specifications More Information Specification Weight:0.27kg
Original price $285.00 - Original price $285.00Original price$285.00$285.00 - $285.00Current price $285.00| / -
Original price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| /
William Optics Adjustable Flat6AIII
WO-P-FLAT6AIII2 in stockOriginal price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| / -
Original price $396.00 - Original price $396.00Original price$396.00$396.00 - $396.00Current price $396.00| /
William Optics Adjustable Flat6AIII for FLT91
WO-P-FLAT6AIII-M921 in stockOriginal price $396.00 - Original price $396.00Original price$396.00$396.00 - $396.00Current price $396.00| / -
Original price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| /
William Optics Adjustable Flat73A for Z73
WO-P-FLAT73AAll New Adjustable Flat73 for Z73 Specifications More Information Specification Weight:0.32kg
Original price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| / -
Original price $386.00 - Original price $386.00Original price$386.00$386.00 - $386.00Current price $386.00| /
William Optics Adjustable Reducer Flattener Flat61R for Z61
WO-P-FLAT61ROriginal price $386.00 - Original price $386.00Original price$386.00$386.00 - $386.00Current price $386.00| / -
Original price $386.00 - Original price $386.00Original price$386.00$386.00 - $386.00Current price $386.00| /
William Optics Adjustable Reducer Flattener Flat73R for Z73
WO-P-FLAT73ROriginal price $386.00 - Original price $386.00Original price$386.00$386.00 - $386.00Current price $386.00| / -
Original price $419.00 - Original price $419.00Original price$419.00$419.00 - $419.00Current price $419.00| /
William Optics Binoviewer Complete Package
WO-E-BINO-PBEST PACKAGE PRICE ON THE MARKET William Optics does it better and especially cheaper! Until today, you could choose only between high-end expen...
View full detailsOriginal price $419.00 - Original price $419.00Original price$419.00$419.00 - $419.00Current price $419.00| / -
Original price $135.00 - Original price $135.00Original price$135.00$135.00 - $135.00Current price $135.00| /
William Optics CatEye 60° 10mm - 1.25"
WO-E-CE10CatEye 10mm 60 degree 16mm: Long Eye Relief flat field Perfect eyepiece for RedCat 51(On RedCat 51 has power x25)
Original price $135.00 - Original price $135.00Original price$135.00$135.00 - $135.00Current price $135.00| / -
Original price $886.00 - Original price $886.00Original price$886.00$886.00 - $886.00Current price $886.00| /
William Optics Flattener 68III
WO-P-FLAT68IIISpecifications More Information Specification
Original price $886.00 - Original price $886.00Original price$886.00$886.00 - $886.00Current price $886.00| / -
Original price $185.00 - Original price $185.00Original price$185.00$185.00 - $185.00Current price $185.00| /
William Optics RedCat Erecting Prism - 1.25" Silver Version
WO-D-EP90-125-RC51-SL1.25” RedCat erecting prism - Silver Version (For RedCat 51 only) High quality erecting prism with Red anodized plate , the complete housing is ma...
View full detailsOriginal price $185.00 - Original price $185.00Original price$185.00$185.00 - $185.00Current price $185.00| / -
Original price $147.00 - Original price $147.00Original price$147.00$147.00 - $147.00Current price $147.00| /
William Optics SPL 55° 12.5mm Eyepiece - 1.25"
WO-E-SPL12.5William Optics is proud to introduce the SPL (Super Planetary Long eye-relief) eyepieces. This new Planetary Eyepiece series is designed for users...
View full detailsOriginal price $147.00 - Original price $147.00Original price$147.00$147.00 - $147.00Current price $147.00| / -
Original price $539.00 - Original price $539.00Original price$539.00$539.00 - $539.00Current price $539.00| /
William Optics STC Astro Duo-Narrowband Filter
WO-YF-STC-ADNFeatures STC Astro Duo-Narrowband filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα...
View full detailsOriginal price $539.00 - Original price $539.00Original price$539.00$539.00 - $539.00Current price $539.00| / -
Original price $267.00 - Original price $267.00Original price$267.00$267.00 - $267.00Current price $267.00| /
William Optics STC Ultra Layer Astro Multispectra Filter - 48mm
WO-YF-STC-M48Features The SLR lenses focal distance is recommended for 60mm or more. It is specially designed Astro-Adapter M48-M56 P0.75mm for telescope...
View full detailsOriginal price $267.00 - Original price $267.00Original price$267.00$267.00 - $267.00Current price $267.00| / -
Original price $175.00 - Original price $175.00Original price$175.00$175.00 - $175.00Current price $175.00| /
William Optics SWAN 72° 40mm Eyepiece - 2"
WO-E-SWA40SWAN: a huge-lens rich-field eyepiece at a very reasonable price! Fully multicoated advanced design for breathtaking and jaw-dropping 72 deg. ...
View full detailsOriginal price $175.00 - Original price $175.00Original price$175.00$175.00 - $175.00Current price $175.00| / -
Original price $117.00 - Original price $117.00Original price$117.00$117.00 - $117.00Current price $117.00| /
William Optics SWAN 72° 9mm Eyepiece - 1.25"
WO-E-SWA09SWAN: a premium eyepiece for your most demanding observations. Unforgettable views of star clusters and the moon at 72 deg. F.O.V. A premium ...
View full detailsOriginal price $117.00 - Original price $117.00Original price$117.00$117.00 - $117.00Current price $117.00| / -
Original price $1,088.00 - Original price $1,088.00Original price$1,088.00$1,088.00 - $1,088.00Current price $1,088.00| /
William Optics WO x0.72 Reducer Flattener 8
WO-P-FLAT8Original price $1,088.00 - Original price $1,088.00Original price$1,088.00$1,088.00 - $1,088.00Current price $1,088.00| / -
Original price $933.00 - Original price $933.00Original price$933.00$933.00 - $933.00Current price $933.00| /
William Optics x0.8 Reducer Flattener 7A
WO-P-FLAT7AOriginal price $933.00 - Original price $933.00Original price$933.00$933.00 - $933.00Current price $933.00| / -
Original price $30.00 - Original price $30.00Original price$30.00$30.00 - $30.00Current price $30.00| /
ZWO 1/3" 2.1mm 150° lens
ZWO-LENS-2.1ZWO 1/3″ 2.1mm 150 degree lensTechnical Parameter:Format support: 1/3″ sensorFocal length: 2.1mmWide angel: 150 degreeMatch Model:ASI120mm, ASI120m...
View full detailsOriginal price $30.00 - Original price $30.00Original price$30.00$30.00 - $30.00Current price $30.00| / -
Original price $30.00 - Original price $30.00Original price$30.00$30.00 - $30.00Current price $30.00| /
ZWO 2.5mm 170° lens
ZWO-LENS-2-51 in stockZWO 2.5mm 170 degree lensTechnical Parameter:Format support: 1/2″ sensorFocal length: 2.5mmWide angel: 170 degreeMatch Model:ASI178MM, ASI178MC, AS...
View full detailsOriginal price $30.00 - Original price $30.00Original price$30.00$30.00 - $30.00Current price $30.00| / -
Original price $22.00 - Original price $53.00Original price$22.00 - $53.00$22.00 - $53.00Current price $22.00| /
ZWO AR Protective Window
Options availableAR Protective WindowZWO D21 AR protect windowTechnical Parameter:Diameter: 21mmType: AR windowThickness: 1.1mmFlatness: 1/4 λProtect the sensor fro...
View full detailsOriginal price $22.00 - Original price $53.00Original price$22.00 - $53.00$22.00 - $53.00Current price $22.00| /