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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Optical Accessories

  • Original price $225.00 USD - Original price $225.00 USD
    Original price
    $225.00 USD
    $225.00 USD - $225.00 USD
    Current price $225.00 USD

    Askar Colour Magic Ha/OIII & SII/OIII (C1+C2) Filter Package

    ASK-CM-C1C2
    7 in stock

    Dual-filter package for astrophotography: Ha/OIII (C1) and SII/OIII (C2) Optimized for capturing stunning nebula images with enhanced color ...

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    Original price $225.00 USD - Original price $225.00 USD
    Original price
    $225.00 USD
    $225.00 USD - $225.00 USD
    Current price $225.00 USD
  • Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD

    Askar Colour Magic Ha/OIII C1 Filter - 2"

    ASK-ASKAR2DBC1
    8 in stock

    Ha+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filter...

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    Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD
  • Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD

    Askar Colour Magic SII/OIII C2 Filter - 2"

    ASK-ASKAR2DBC2
    7 in stock

    SII+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filte...

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    Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD
  • Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD

    Askar Multi-Connection Finder Plate 90

    ASK-ASKARMCP90
    2 in stock

    Versatile addition to your setup. 90mm length Excellent stability and support Description Enhance your telescope setup with the A...

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    Original price $34.00 USD - Original price $34.00 USD
    Original price
    $34.00 USD
    $34.00 USD - $34.00 USD
    Current price $34.00 USD
  • Original price $484.00 USD - Original price $484.00 USD
    Original price
    $484.00 USD
    $484.00 USD - $484.00 USD
    Current price $484.00 USD

    Astrodon H-alpha Filter - 5nm

    DON-HA5_31R
    Only 1 left!

    H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

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    Original price $484.00 USD - Original price $484.00 USD
    Original price
    $484.00 USD
    $484.00 USD - $484.00 USD
    Current price $484.00 USD
  • Original price $484.00 USD
    Original price $484.00 USD - Original price $484.00 USD
    Original price $484.00 USD
    Current price $425.00 USD
    $425.00 USD - $425.00 USD
    Current price $425.00 USD

    Astrodon SII Filter - 5nm

    DON-SII5_31R
    Only 1 left!

    If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

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    Original price $484.00 USD
    Original price $484.00 USD - Original price $484.00 USD
    Original price $484.00 USD
    Current price $425.00 USD
    $425.00 USD - $425.00 USD
    Current price $425.00 USD
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  • Original price $289.00 USD - Original price $289.00 USD
    Original price
    $289.00 USD
    $289.00 USD - $289.00 USD
    Current price $289.00 USD

    Baader 2" Newton 1.7X Glasspath and Coma Corrector

    BAA-2456301

    2" Glasspathcorrector®Factor 1.7 for Newtons - at full aperture with integrated Coma-Corrector. Includes T-2 change ring (#2456320) for adaptation...

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    Original price $289.00 USD - Original price $289.00 USD
    Original price
    $289.00 USD
    $289.00 USD - $289.00 USD
    Current price $289.00 USD
  • Original price $230.00 USD - Original price $230.00 USD
    Original price
    $230.00 USD
    $230.00 USD - $230.00 USD
    Current price $230.00 USD

    Baader 2" Refractor/SCT 1.8X Glasspath Corrector

    BAA-2456305

    2" Glasspathcorrector®Factor 1.8 for Refractors and Schmidt Cassegrains - at full aperture. Suitable to insert into the Baader Maxbright and Mark ...

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    Original price $230.00 USD - Original price $230.00 USD
    Original price
    $230.00 USD
    $230.00 USD - $230.00 USD
    Current price $230.00 USD
  • Original price $81.00 USD - Original price $81.00 USD
    Original price
    $81.00 USD
    $81.00 USD - $81.00 USD
    Current price $81.00 USD

    Baader 2.25x Q-Barlow - 1.25"

    BAA-2956185
    1 in stock

    Baader Planetarium Q-Barlow 2.25x / 1.3xThis high-quality 2.25x Barlow made of exotic glasses provides the rare extension factor of 2.25x. So, ther...

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    Original price $81.00 USD - Original price $81.00 USD
    Original price
    $81.00 USD
    $81.00 USD - $81.00 USD
    Current price $81.00 USD
  • Original price $278.00 USD - Original price $278.00 USD
    Original price
    $278.00 USD
    $278.00 USD - $278.00 USD
    Current price $278.00 USD

    Baader 2x VIP Modular Barlow - 1.25"

    BAA-2406101
    1 in stock

    The Baader Planetarium VIP Modular Barlow is a complete high quality 2X photo-visual barlow system. The VIP (VIsual and Photographic) barlow is ing...

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    Original price $278.00 USD - Original price $278.00 USD
    Original price
    $278.00 USD
    $278.00 USD - $278.00 USD
    Current price $278.00 USD
  • Original price $988.00 USD - Original price $2,199.00 USD
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    $988.00 USD - $2,199.00 USD
    $988.00 USD - $2,199.00 USD
    Current price $988.00 USD

    Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

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    Original price $988.00 USD - Original price $2,199.00 USD
    Original price
    $988.00 USD - $2,199.00 USD
    $988.00 USD - $2,199.00 USD
    Current price $988.00 USD
  • Original price $970.00 USD - Original price $2,070.00 USD
    Original price
    $970.00 USD - $2,070.00 USD
    $970.00 USD - $2,070.00 USD
    Current price $970.00 USD

    Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price $970.00 USD - Original price $2,070.00 USD
    Original price
    $970.00 USD - $2,070.00 USD
    $970.00 USD - $2,070.00 USD
    Current price $970.00 USD
  • Original price $108.00 USD - Original price $108.00 USD
    Original price
    $108.00 USD
    $108.00 USD - $108.00 USD
    Current price $108.00 USD

    Baader 45° Amici Prism Diagonal w/ 24mm Clear Aperture - 1.25"

    BAA-2956150
    1 in stock

    Much larger prism than other so-called "Erecting prisms" Many Erect image prisms have only 19 mm free passage opening and therefore are not suitab...

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    Original price $108.00 USD - Original price $108.00 USD
    Original price
    $108.00 USD
    $108.00 USD - $108.00 USD
    Current price $108.00 USD
  • Original price $280.00 USD - Original price $280.00 USD
    Original price
    $280.00 USD
    $280.00 USD - $280.00 USD
    Current price $280.00 USD

    Baader 45° Amici Prism Diagonal 45° - 2" SCT Thread

    BAA-2956151

    2" SC-thread and 2"/1¼"-reducer Direct attachment to Schmidt-Cassegrains Correct image orientation Excellent for terrestrial viewing

    Original price $280.00 USD - Original price $280.00 USD
    Original price
    $280.00 USD
    $280.00 USD - $280.00 USD
    Current price $280.00 USD
  • Original price $334.00 USD - Original price $722.00 USD
    Original price
    $334.00 USD - $722.00 USD
    $334.00 USD - $722.00 USD
    Current price $334.00 USD

    Baader 4nm Ultra-Narrowband OIII Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price $334.00 USD - Original price $722.00 USD
    Original price
    $334.00 USD - $722.00 USD
    $334.00 USD - $722.00 USD
    Current price $334.00 USD
  • Original price $573.00 USD - Original price $1,368.00 USD
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    $573.00 USD - $1,368.00 USD
    $573.00 USD - $1,368.00 USD
    Current price $573.00 USD

    Baader 6.5nm f/2 Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available
    1 variants in stock

    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

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    Original price $573.00 USD - Original price $1,368.00 USD
    Original price
    $573.00 USD - $1,368.00 USD
    $573.00 USD - $1,368.00 USD
    Current price $573.00 USD
  • Original price $196.00 USD - Original price $502.00 USD
    Original price
    $196.00 USD - $502.00 USD
    $196.00 USD - $502.00 USD
    Current price $196.00 USD

    Baader 6.5nm H-alpha Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

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    Original price $196.00 USD - Original price $502.00 USD
    Original price
    $196.00 USD - $502.00 USD
    $196.00 USD - $502.00 USD
    Current price $196.00 USD
  • Original price $535.00 USD - Original price $1,345.00 USD
    Original price
    $535.00 USD - $1,345.00 USD
    $535.00 USD - $1,345.00 USD
    Current price $535.00 USD

    Baader 6.5nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

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    Original price $535.00 USD - Original price $1,345.00 USD
    Original price
    $535.00 USD - $1,345.00 USD
    $535.00 USD - $1,345.00 USD
    Current price $535.00 USD
  • Original price $187.00 USD - Original price $491.00 USD
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    $187.00 USD - $491.00 USD
    $187.00 USD - $491.00 USD
    Current price $187.00 USD

    Baader 6.5nm OIII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price $187.00 USD - Original price $491.00 USD
    Original price
    $187.00 USD - $491.00 USD
    $187.00 USD - $491.00 USD
    Current price $187.00 USD
  • Original price $184.00 USD - Original price $488.00 USD
    Original price
    $184.00 USD - $488.00 USD
    $184.00 USD - $488.00 USD
    Current price $184.00 USD

    Baader 6.5nm SII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price $184.00 USD - Original price $488.00 USD
    Original price
    $184.00 USD - $488.00 USD
    $184.00 USD - $488.00 USD
    Current price $184.00 USD
  • Original price $842.00 USD - Original price $842.00 USD
    Original price
    $842.00 USD
    $842.00 USD - $842.00 USD
    Current price $842.00 USD

    Baader 90° Astro-Grade Amici Prism w/ BBHS Coating - 2" ClickLock

    BAA-2456120
    1 in stock

    2" ClickLock-Clamp and 2" nosepiece Correct image orientation Suited for astronomical observation at high magnification Hard-silver-coated and pro...

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    Original price $842.00 USD - Original price $842.00 USD
    Original price
    $842.00 USD
    $842.00 USD - $842.00 USD
    Current price $842.00 USD
  • Original price $374.00 USD - Original price $374.00 USD
    Original price
    $374.00 USD
    $374.00 USD - $374.00 USD
    Current price $374.00 USD

    Baader 90° Astro-Grade Amici Prism w/ BBHS Coating - T-2

    BAA-2456130
    1 in stock

    T-2/90° Baader Roof-Prism. Manufactured by Zeiss standard, both sides with T-2 system threads. This Prism is multicoated and built in a solid meta...

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    Original price $374.00 USD - Original price $374.00 USD
    Original price
    $374.00 USD
    $374.00 USD - $374.00 USD
    Current price $374.00 USD
  • Original price $350.00 USD - Original price $350.00 USD
    Original price
    $350.00 USD
    $350.00 USD - $350.00 USD
    Current price $350.00 USD

    Baader 90° Erecting Prism Diagonal - 2"

    BAA-2956152
    1 in stock

    90 ° Amici-erecting-prism with 2 "eyepiece and 2" barrel Including Reduction 2 "to 1¼" Excellent for terrestrial viewing with 2 "eyepieces Not sui...

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    Original price $350.00 USD - Original price $350.00 USD
    Original price
    $350.00 USD
    $350.00 USD - $350.00 USD
    Current price $350.00 USD
  • Original price $181.00 USD - Original price $181.00 USD
    Original price
    $181.00 USD
    $181.00 USD - $181.00 USD
    Current price $181.00 USD

    Baader 90° Prism Diagonal w/ 32mm Prism - T-2

    BAA-2456005
    1 in stock

    High-quality Zenith Prism T-2/90 ° with 32mm Prism Rigid metal body Connection objective side: T-2 internal thread Connection eyepiece: T-2 extern...

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    Original price $181.00 USD - Original price $181.00 USD
    Original price
    $181.00 USD
    $181.00 USD - $181.00 USD
    Current price $181.00 USD