Optical Accessories
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Original price $850.00 USD - Original price $850.00 USDOriginal price$850.00 USD$850.00 USD - $850.00 USDCurrent price $850.00 USD| /
Starlight Instruments SIPS Coma Corrector
SI-SIPSStarlight Instruments is proud to introduce a new Coma Corrector called the Starlight Integrated Paracorr System (referred to as SIPS hereafter). ...
View full detailsOriginal price $850.00 USD - Original price $850.00 USDOriginal price$850.00 USD$850.00 USD - $850.00 USDCurrent price $850.00 USD| / -
Original price $58.00 USD - Original price $58.00 USDOriginal price$58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD| /
TS-Optics 0.5x Focal reducer - 1.25"
TS-TSRED051The TS optics 0.5x reducer shortens the focal lengths of the telescope by 50% and doubles the lens speed and field of view. This advantage can be u...
View full detailsOriginal price $58.00 USD - Original price $58.00 USDOriginal price$58.00 USD$58.00 USD - $58.00 USDCurrent price $58.00 USD| / -
Original price $210.00 USD - Original price $210.00 USDOriginal price$210.00 USD$210.00 USD - $210.00 USDCurrent price $210.00 USD| /
TS-Optics 0.67x Reducer for RC Telescopes - 2"
TS-CCD47The 2" CCD compressor reduces the focal length of telescopes with the factor 0.67x, thus allowing significantly shorter exposure times.♦ The focal ...
View full detailsOriginal price $210.00 USD - Original price $210.00 USDOriginal price$210.00 USD$210.00 USD - $210.00 USDCurrent price $210.00 USD| / -
Original price $281.00 USD - Original price $281.00 USDOriginal price$281.00 USD$281.00 USD - $281.00 USDCurrent price $281.00 USD| /
TS-Optics 0.79x Photoline Reducer Corrector - 2"
TS-TSred279♦ Reduction of the focal length 0.79x - exposure time goes to 62%♦ 3-element design with ED element for very good field correction♦ Easy telescope ...
View full detailsOriginal price $281.00 USD - Original price $281.00 USDOriginal price$281.00 USD$281.00 USD - $281.00 USDCurrent price $281.00 USD| / -
Original price $220.00 USD - Original price $220.00 USDOriginal price$220.00 USD$220.00 USD - $220.00 USDCurrent price $220.00 USD| /
TS-Optics 1.0x Flattener and Field Corrector - 2"
TS-TSFLAT2♦ Suitable for all 2" focusers, the corrector is completely sunken into the focuser♦ Very good results with all popular refractors and apos of at l...
View full detailsOriginal price $220.00 USD - Original price $220.00 USDOriginal price$220.00 USD$220.00 USD - $220.00 USDCurrent price $220.00 USD| / -
Original price $148.73 USD - Original price $148.73 USDOriginal price$148.73 USD$148.73 USD - $148.73 USDCurrent price $148.73 USD| /
TS-Optics 1.0x M48 Flattener and Field Corrector - 2"
TS-WiflatM48♦ Suitable for refractor telescopes up to 102 mm aperture or smaller (ED, apo, achromat, ...)♦ Connection telescope side 2" barrel with filter thr...
View full detailsOriginal price $148.73 USD - Original price $148.73 USDOriginal price$148.73 USD$148.73 USD - $148.73 USDCurrent price $148.73 USD| / -
Original price $154.00 USD - Original price $154.00 USDOriginal price$154.00 USD$154.00 USD - $154.00 USDCurrent price $154.00 USD| /
TS-Optics 1.0x T2 Flattener and Field Corrector - 2"
TS-WiflatT2♦ Suitable for refractor telescopes up to 102 mm aperture or smaller (ED, apo, achromat, ...)♦ Connection telescope side 2" barrel with filter thre...
View full detailsOriginal price $154.00 USD - Original price $154.00 USDOriginal price$154.00 USD$154.00 USD - $154.00 USDCurrent price $154.00 USD| / -
Original price $44.00 USD - Original price $44.00 USDOriginal price$44.00 USD$44.00 USD - $44.00 USDCurrent price $44.00 USD| /
William Optics 2x Barlow Nosepiece for Binoviewer
WO-E-BINO-B21 in stock2x magnification Barlow lens specifically designed for binoviewers Increases magnification while maintaining focus with binoviewer setups ...
View full detailsOriginal price $44.00 USD - Original price $44.00 USDOriginal price$44.00 USD$44.00 USD - $44.00 USDCurrent price $44.00 USD| / -
Original price $88.00 USD - Original price $88.00 USDOriginal price$88.00 USD$88.00 USD - $88.00 USDCurrent price $88.00 USD| /
William Optics 45° Erecting Prism - 1.25"
WO-D-EP12545-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...
View full detailsOriginal price $88.00 USD - Original price $88.00 USDOriginal price$88.00 USD$88.00 USD - $88.00 USDCurrent price $88.00 USD| / -
Original price $96.00 USD - Original price $96.00 USDOriginal price$96.00 USD$96.00 USD - $96.00 USDCurrent price $96.00 USD| /
William Optics 90° Erect Prism - 1.25"
WO-D-EP90-125II90-degree erecting prism for 1.25" telescope eyepieces Provides correct image orientation for terrestrial and astronomical viewing Des...
View full detailsOriginal price $96.00 USD - Original price $96.00 USDOriginal price$96.00 USD$96.00 USD - $96.00 USDCurrent price $96.00 USD| / -
Original price $110.00 USD - Original price $110.00 USDOriginal price$110.00 USD$110.00 USD - $110.00 USDCurrent price $110.00 USD| /
William Optics 99% Dielectric Dura Bright Diagonal - 1.25"
WO-D-125D-C-DBHigh-quality 1.25" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...
View full detailsOriginal price $110.00 USD - Original price $110.00 USDOriginal price$110.00 USD$110.00 USD - $110.00 USDCurrent price $110.00 USD| / -
Original price $158.00 USD - Original price $158.00 USDOriginal price$158.00 USD$158.00 USD - $158.00 USDCurrent price $158.00 USD| /
William Optics 99% Dielectric Dura Bright Diagonal - 2"
WO-D-DIG2D-C-DB-T2 in stockHigh-quality 2" diagonal for refractor and catadioptric telescopes 99% reflectivity dielectric coating for maximum light transmission ...
View full detailsOriginal price $158.00 USD - Original price $158.00 USDOriginal price$158.00 USD$158.00 USD - $158.00 USDCurrent price $158.00 USD| / -
Original price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| /
William Optics Adjustable Flat61 for Z61
WO-P-FLAT61A1 in stockAdjustable field flattener specifically designed for the William Optics Z61 telescope Improves edge-to-edge sharpness for astrophotography w...
View full detailsOriginal price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| / -
Original price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| /
William Optics Adjustable Flat6AIII
WO-P-FLAT6AIII3 in stockVersatile field flattener for William Optics refractor telescopes Adjustable design for optimal performance with various camera setups ...
View full detailsOriginal price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| / -
Original price $293.00 USD - Original price $293.00 USDOriginal price$293.00 USD$293.00 USD - $293.00 USDCurrent price $293.00 USD| /
William Optics Adjustable Flat6AIII for FLT91
WO-P-FLAT6AIII-M921 in stock0.8x reducer For William Optics FLT91 refractor Description The William Optics Adjustable Flat6AIII for FLT91 is a special editio...
View full detailsOriginal price $293.00 USD - Original price $293.00 USDOriginal price$293.00 USD$293.00 USD - $293.00 USDCurrent price $293.00 USD| / -
Original price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| /
William Optics Adjustable Flat73A for Z73
WO-P-FLAT73A1 in stockImproves edge-to-edge sharpness for astrophotography 43mm image circle Adjustable design 66.2mm back focus Description Specifications In the Bo...
View full detailsOriginal price $229.00 USD - Original price $229.00 USDOriginal price$229.00 USD$229.00 USD - $229.00 USDCurrent price $229.00 USD| / -
Original price $284.00 USD - Original price $284.00 USDOriginal price$284.00 USD$284.00 USD - $284.00 USDCurrent price $284.00 USD| /
William Optics Adjustable Reducer Flattener Flat61R for Z61
WO-P-FLAT61RAdjustable reducer and field flattener for William Optics Z61 telescope Improves image sharpness and reduces distortion Description ...
View full detailsOriginal price $284.00 USD - Original price $284.00 USDOriginal price$284.00 USD$284.00 USD - $284.00 USDCurrent price $284.00 USD| / -
Original price $284.00 USD - Original price $284.00 USDOriginal price$284.00 USD$284.00 USD - $284.00 USDCurrent price $284.00 USD| /
William Optics Adjustable Reducer Flattener Flat73R for Z73
WO-P-FLAT73RAdjustable reducer and field flattener for William Optics Z73 telescope Improves image sharpness and reduces distortion Description ...
View full detailsOriginal price $284.00 USD - Original price $284.00 USDOriginal price$284.00 USD$284.00 USD - $284.00 USDCurrent price $284.00 USD| / -
Original price $310.00 USD - Original price $310.00 USDOriginal price$310.00 USD$310.00 USD - $310.00 USDCurrent price $310.00 USD| /
William Optics Binoviewer Complete Package
WO-E-BINO-P5.0 / 5.0
1 Review
Enhances visual astronomy with comfortable two-eye viewing Complete package includes binoviewer, eyepieces, and accessories Descriptio...
View full detailsOriginal price $310.00 USD - Original price $310.00 USDOriginal price$310.00 USD$310.00 USD - $310.00 USDCurrent price $310.00 USD| / -
Original price $99.00 USD - Original price $99.00 USDOriginal price$99.00 USD$99.00 USD - $99.00 USDCurrent price $99.00 USD| /
William Optics CatEye 60° 10mm - 1.25"
WO-E-CE1060° apparent field of view 10mm focal length for medium-high magnification Description The William Optics CatEye 60° 10mm - 1....
View full detailsOriginal price $99.00 USD - Original price $99.00 USDOriginal price$99.00 USD$99.00 USD - $99.00 USDCurrent price $99.00 USD| / -
Original price $656.00 USD - Original price $656.00 USDOriginal price$656.00 USD$656.00 USD - $656.00 USDCurrent price $656.00 USD| /
William Optics Flattener 68III
WO-P-FLAT68IIIDesigned specifically for William Optics 68mm f/6 refractor telescopes Corrects field curvature for improved edge-to-edge sharpness De...
View full detailsOriginal price $656.00 USD - Original price $656.00 USDOriginal price$656.00 USD$656.00 USD - $656.00 USDCurrent price $656.00 USD| / -
Original price $137.00 USD - Original price $137.00 USDOriginal price$137.00 USD$137.00 USD - $137.00 USDCurrent price $137.00 USD| /
William Optics RedCat Erecting Prism - 1.25" Silver Version
WO-D-EP90-125-RC51-SL1.25" erecting prism for correct image orientation Silver-finished design specifically for RedCat telescopes Description The W...
View full detailsOriginal price $137.00 USD - Original price $137.00 USDOriginal price$137.00 USD$137.00 USD - $137.00 USDCurrent price $137.00 USD| / -
Original price $108.00 USD - Original price $108.00 USDOriginal price$108.00 USD$108.00 USD - $108.00 USDCurrent price $108.00 USD| /
William Optics SPL 55° 12.5mm Eyepiece - 1.25"
WO-E-SPL12.51.25-inch eyepiece with 55° apparent field of view 12.5mm focal length for medium-high magnification viewing Description The W...
View full detailsOriginal price $108.00 USD - Original price $108.00 USDOriginal price$108.00 USD$108.00 USD - $108.00 USDCurrent price $108.00 USD| / -
Original price $399.00 USD - Original price $399.00 USDOriginal price$399.00 USD$399.00 USD - $399.00 USDCurrent price $399.00 USD| /
William Optics STC Astro Duo-Narrowband Filter
WO-YF-STC-ADNDual-bandpass filter for astrophotography Optimized for H-alpha and OIII emission lines Description The William Optics STC Ast...
View full detailsOriginal price $399.00 USD - Original price $399.00 USDOriginal price$399.00 USD$399.00 USD - $399.00 USDCurrent price $399.00 USD| /