Skip to content
ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Optical Accessories

Filters

  • Save 20% Save %
    CA$284.00
    CA$284.00 - CA$284.00
    CA$284.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00

    Baader Hyperion Aspheric 72° 31mm Eyepiece - 1.25"/2"

    BAA-2454631
    1 in stock

    Baader Hyperion Aspheric Eyepiece 31mm Huge 72 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatin...

    View full details
    CA$284.00
    CA$284.00 - CA$284.00
    CA$284.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00
    Save 20% Save %
  • Save 20% Save %
    CA$299.00
    CA$299.00 - CA$299.00
    CA$299.00
    CA$240.00
    CA$240.00 - CA$240.00
    CA$240.00

    Baader Hyperion Aspheric 72° 36mm Eyepiece - 1.25"/2"

    BAA-2454636
    1 in stock

    Baader Hyperion Aspheric Eyepiece 36mm Huge 72 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatin...

    View full details
    CA$299.00
    CA$299.00 - CA$299.00
    CA$299.00
    CA$240.00
    CA$240.00 - CA$240.00
    CA$240.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Hyperion Universal Zoom Mark IV 8-24mm - 1.25"/2"

    BAA-2454826
    4 in stock

    The Baader Hyperion 8-24mm Clickstop Zoom continues the Hyperion tradition of delivering top-of-class performance and quality, at very reasonable p...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %
  • Save 20% Save %
    CA$532.00
    CA$532.00 - CA$532.00
    CA$532.00
    CA$426.00
    CA$426.00 - CA$426.00
    CA$426.00

    Baader Hyperion Universal Zoom Mark IV w/ 2.25x Barlow 8-24mm/3.6-10.7mm

    BAA-2454827
    4 in stock

    Bundle: MARK IV Hyperion Universal Zoom 8-24 mm eyepiece & Baader Hyperion Zoom Barlow lens 2.25x magThe set consisting of the MARK IV Hyperion...

    View full details
    CA$532.00
    CA$532.00 - CA$532.00
    CA$532.00
    CA$426.00
    CA$426.00 - CA$426.00
    CA$426.00
    Save 20% Save %
  • CA$194.00 - CA$194.00
    CA$194.00
    CA$194.00 - CA$194.00
    CA$194.00

    Baader Hyperion Zoom 2.25X Barlow

    BAA-2956180
    4 in stock

    The Baader Hyperion Zoom Barlow quickly attaches to any Hyperion 8-24mmm Clickstop zoom eyepiece, instantly converting it into a 3.5-10.5mm Zoom. T...

    View full details
    CA$194.00 - CA$194.00
    CA$194.00
    CA$194.00 - CA$194.00
    CA$194.00
  • CA$75.00 - CA$110.00
    CA$75.00 - CA$110.00
    CA$75.00 - CA$110.00
    CA$75.00

    Baader Individual Color Filter - Dark Blue, Bright Blue, Green, Yellow, Red, Orange

    Options available

    "Less is more!" Better a few filters with high optical performance produced for astronomical observations than whole mountains of filters with medi...

    View full details
    CA$75.00 - CA$110.00
    CA$75.00 - CA$110.00
    CA$75.00 - CA$110.00
    CA$75.00
  • CA$132.00 - CA$209.00
    CA$132.00 - CA$209.00
    CA$132.00 - CA$209.00
    CA$132.00

    Baader IR-Pass Filter 685nm

    Options available

    Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging and used for the luminosity chan...

    View full details
    CA$132.00 - CA$209.00
    CA$132.00 - CA$209.00
    CA$132.00 - CA$209.00
    CA$132.00
  • CA$70.00 - CA$70.00
    CA$70.00
    CA$70.00 - CA$70.00
    CA$70.00

    Baader Log-Pot Illuminator for MicroGuide and older Baader Finders

    BAA-2404305

    Black version incl. 2pc batteries SR41W/1.55V For Micro Guide eyepiece and finderscopes threaded M8 x 0.75mm Non-linear (Log) illumination profile...

    View full details
    CA$70.00 - CA$70.00
    CA$70.00
    CA$70.00 - CA$70.00
    CA$70.00
  • CA$436.00 - CA$1,216.00
    CA$436.00 - CA$1,216.00
    CA$436.00 - CA$1,216.00
    CA$436.00

    Baader LRGB Filter Set - CMOS-Optimized

    Options available

    New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™.Baader CMOS RGB Bandpass Filter RGB-R (595 – 690 mm) R...

    View full details
    CA$436.00 - CA$1,216.00
    CA$436.00 - CA$1,216.00
    CA$436.00 - CA$1,216.00
    CA$436.00
  • CA$76.00 - CA$76.00
    CA$76.00
    CA$76.00 - CA$76.00
    CA$76.00

    Baader M55/M68 Adapter for 2" Baader Mirrors & Prisms

    BAA-2956110

    Baader M55a / M68a (Zeiss) adapter for all Baader 2" mirror and prism star diagonals, for direct connection to the M68 Zeiss thread With this adap...

    View full details
    CA$76.00 - CA$76.00
    CA$76.00
    CA$76.00 - CA$76.00
    CA$76.00
  • CA$1,056.00 - CA$1,056.00
    CA$1,056.00
    CA$1,056.00 - CA$1,056.00
    CA$1,056.00

    Baader M68 Field Flattener

    BAA-2458260

    3-lens field corrector for BAADER APO 95/560 CaF2 Travel Companion 76.11mm backfocus, 52mm corrected field of view Telescope side M68a thread, cam...

    View full details
    CA$1,056.00 - CA$1,056.00
    CA$1,056.00
    CA$1,056.00 - CA$1,056.00
    CA$1,056.00
  • CA$139.00 - CA$139.00
    CA$139.00
    CA$139.00 - CA$139.00
    CA$139.00

    Baader Maxbright Amici Prism 1.25"w/ Integral 2X Glasspath Corrector

    BAA-2956155

    45 ° an erecting prism Amici Including 2x Glaswegkorrektor ™ (Glass Path Corrector) and 1¼ "barrel Suitable for all SC telescopes and refractors O...

    View full details
    CA$139.00 - CA$139.00
    CA$139.00
    CA$139.00 - CA$139.00
    CA$139.00
  • CA$698.00 - CA$859.00
    CA$698.00 - CA$859.00
    CA$698.00 - CA$859.00
    CA$698.00

    Baader MaxBright II Binoviewer Set

    Options available
    2 variants in stock

    Baader MaxBright® II Binoviewer with adapters to T-2 and Zeiss micro-bayonet in a padded carrying case 27mm prisms with 26 / 25,5mm clear aperture...

    View full details
    CA$698.00 - CA$859.00
    CA$698.00 - CA$859.00
    CA$698.00 - CA$859.00
    CA$698.00
  • CA$324.00 - CA$324.00
    CA$324.00
    CA$324.00 - CA$324.00
    CA$324.00

    Baader Maxbright Mirror Diagonal - T-2

    BAA-2456100

    1¼ "Maxbright Universal Star Diagonal Sitall mirror material (glass ceramic with zero expansion coefficient), 1/10 lambda surface finish 140 coati...

    View full details
    CA$324.00 - CA$324.00
    CA$324.00
    CA$324.00 - CA$324.00
    CA$324.00
  • CA$348.00 - CA$348.00
    CA$348.00
    CA$348.00 - CA$348.00
    CA$348.00

    Baader Methane Filter 889nm - 8nm 1.25"

    BAA-2458295

    Schott RG 830 substrate with super stack dielectric coating For pure methane band transmission, planetary imaging Non-aging sealed coating edges ...

    View full details
    CA$348.00 - CA$348.00
    CA$348.00
    CA$348.00 - CA$348.00
    CA$348.00
  • CA$431.00 - CA$431.00
    CA$431.00
    CA$431.00 - CA$431.00
    CA$431.00

    Baader Mirror Diagonal - 2" ClickLock

    BAA-2956100
    1 in stock

    With their ground-breaking introduction several years ago of the all-dielectric 2" Maxbright star diagonal, Baader Planetarium brought mirror star ...

    View full details
    CA$431.00 - CA$431.00
    CA$431.00
    CA$431.00 - CA$431.00
    CA$431.00
  • CA$698.00 - CA$698.00
    CA$698.00
    CA$698.00 - CA$698.00
    CA$698.00

    Baader Mirror Diagonal w/ BBHS Coating - 2" ClickLock

    BAA-2456115
    1 in stock

    2" BBHS star diagonal with 2" ClickLock terminal and black case. Provides greatest reflectance over most spectral range from 390 to 2000nm New inc...

    View full details
    CA$698.00 - CA$698.00
    CA$698.00
    CA$698.00 - CA$698.00
    CA$698.00
  • CA$401.00 - CA$401.00
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00

    Baader Mirror Diagonal w/ BBHS Coating - T-2

    BAA-2456103
    1 in stock

    T-2 BBHS star diagonal withT-2 threads for compatibility with all Baader's Astro T2 system of parts Provides high reflectance over a wide spectral...

    View full details
    CA$401.00 - CA$401.00
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
  • CA$130.00 - CA$213.00
    CA$130.00 - CA$213.00
    CA$130.00 - CA$213.00
    CA$130.00

    Baader Moon & Skyglow Filter

    Options available
    2 variants in stock

    Selective contrast filter, for all reflector and refractor telescopes Filters out specific wavelengths, especially those caused by streetlight and...

    View full details
    CA$130.00 - CA$213.00
    CA$130.00 - CA$213.00
    CA$130.00 - CA$213.00
    CA$130.00
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Morpheus 76° Eyepiece 12.5mm - 1.25"/2"

    BAA-2954212
    3 in stock

    Morpheus is the God of Dreams – and after more than four years of development Baader Planetarium presents the eyepiece of their dreams:The MORPHEUS...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Morpheus 76° Eyepiece 14mm - 1.25"/2"

    BAA-2954214
    2 in stock

    Morpheus is the God of Dreams – and after more than four years of development Baader Planetarium presents the eyepiece of their dreams:The MORPHEUS...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Morpheus 76° Eyepiece 17.5mm - 1.25"/2"

    BAA-2954217
    3 in stock

    Morpheus is the God of Dreams – and after more than four years of development Baader Planetarium presents the eyepiece of their dreams:The MORPHEUS...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Morpheus 76° Eyepiece 4.5mm - 1.25"/2"

    BAA-2954204
    2 in stock

    Morpheus is the God of Dreams – and after more than four years of development Baader Planetarium presents the eyepiece of their dreams:The MORPHEUS...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Morpheus 76° Eyepiece 6.5mm - 1.25"/2"

    BAA-2954206
    2 in stock

    Morpheus is the God of Dreams – and after more than four years of development Baader Planetarium presents the eyepiece of their dreams:The MORPHEUS...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %