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All Optical Accessories

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  1. GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCTs
    GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for SCTs
    Our Price: $135.00
    In Stock
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  2. Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 10" (254mm) Square Piece
    Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 10" (254mm) Square Piece
    Our Price: $31.99
    Out of Stock
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  3. GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractors
    GSO 2" 90-deg 99% Quartz Dielectric Mirror Diagonal for Refractors
    Our Price: $135.00
    Out of Stock
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  4. GSO IR Blocking / IR Cut Filter - 1.25"
    GSO IR Blocking / IR Cut Filter - 1.25"
    Our Price: $23.95
    Out of Stock
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  5. ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 1.25" # NBSET125
    ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 1.25" # NBSET125
    Our Price: $369.00
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  6. Optolong L-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter - 2"
    Optolong L-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter - 2"
    Our Price: $389.00
    In Stock
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  7. Optolong UV / IR Cut Filter
    Optolong UV / IR Cut Filter - 1.25"
    Our Price: $44.00
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  8. Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
    Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250
    Our Price: $285.00
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  9. GSO 1.25" Color / Planetary Filter - #47 Violet
    GSO 1.25" Color / Planetary Filter - #47 Violet
    Our Price: $11.95
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  10. GSO 1.25" Color / Planetary Filter - #23A Light Red
    GSO 1.25" Color / Planetary Filter - #23A Light Red
    Our Price: $11.95
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  11. Antlia 3nm Narrowband H-Alpha (Ha) Pro Imaging Filter - 2" Mounted
    Antlia 3nm Narrowband H-Alpha (Ha) Pro Imaging Filter - 2" Mounted
    Our Price: $395.00
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  12. Antlia SHO (S-II, H-a & O-III) Narrowband 3nm Pro Imaging Filter Set of 3 Filters - 2" Mounted
    Antlia SHO (S-II, H-a & O-III) Narrowband 3nm Pro Imaging Filter Set of 3 Filters - 2" Mounted
    Our Price: $1,185.00
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  13. Antlia LRGB-V & SHO (S-II, H-a & O-III) Narrowband 3nm Pro Imaging Filter Set of 7 Filters - 2" Round Mounted
    Antlia LRGB-V & SHO (S-II, H-a & O-III) Narrowband 3nm Pro Imaging Filter Set of 7 Filters -...
    Our Price: $1,655.00
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  14. Explore Scientific 1.25" 3x Focal Extender / Barlow # FE03-125
    Explore Scientific 1.25" 3x Focal Extender / Barlow # FE03-125
    Our Price: $209.99
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  15. Closeout
    Lumicon Oxygen III Filter - 1.25" # LF3040
    Lumicon Oxygen III Filter - 1.25" # LF3040
    Sale Price: $124.20 Our Price: $138.00
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  16. Baader T-2 90° 32mm Prism Diagonal with 1.25" Nosepiece and Eyepiece Holder # PRISM-1 2456005K
    Baader T-2 90° 32mm Prism Diagonal with 1.25" Nosepiece and Eyepiece Holder # PRISM-1 2456005K
    Our Price: $169.00
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  17. Agena Multi-Reticle Reflex Finder with B0 Bracket and M5 Base
    Agena Multi-Reticle Reflex Finder with B0 Bracket and M5 Base
    Our Price: $63.00
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  18. GSO 0.965"/1.25" 90-deg Hybrid Mirror Star Diagonal # MSDH
    GSO 0.965"/1.25" 90-deg Hybrid Mirror Star Diagonal
    Our Price: $32.00
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  19. Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 9" (229mm) Square Piece
    Thousand Oaks Optical SolarLite Solar Filter Film (ND 5) - 9" (229mm) Square Piece
    Our Price: $28.99
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  20. Celestron 1.25" Telescope Prism Star Diagonal # 94115-A
    Celestron 1.25" Telescope Prism Star Diagonal # 94115-A
    Our Price: $51.95
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  21. Baader MaxBright II Binoviewer Set - Viewer with Two 6mm Classic Ortho Eyepieces & Case # BINO-S6 2456467
    Baader MaxBright II Binoviewer Set - Viewer with Two 6mm Classic Ortho Eyepieces & Case # BI...
    Our Price: $656.00
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  22. Baader MaxBright II Binoviewer Set - Viewer with Two 10mm Classic Ortho Eyepieces & Case # BINO-S10 2456468
    Baader MaxBright II Binoviewer Set - Viewer with Two 10mm Classic Ortho Eyepieces & Case # B...
    Our Price: $656.00
    Out of Stock
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  23. Explore Scientific 2" 2x Focal Extender / Barlow # FE02-020
    Explore Scientific 2" 2x Focal Extender / Barlow # FE02-020
    Our Price: $299.99
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  24. Celestron Telescope Eyepiece and Filter Set - 1.25" # 94303
    Celestron Telescope Eyepiece and Filter Set - 1.25" # 94303
    Our Price: $229.95
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