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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

    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 $105.00 USD
    Original price $105.00 USD - Original price $105.00 USD
    Original price $105.00 USD
    Current price $94.50 USD
    $94.50 USD - $94.50 USD
    Current price $94.50 USD

    Baader Complete T-2 Changer System

    BAA-2456321

    The T-2 change system enables fast switching between z. B. Mark V Binocular and ClickLock eyepiece, effective height only 15mm Optical path length...

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    Original price $105.00 USD
    Original price $105.00 USD - Original price $105.00 USD
    Original price $105.00 USD
    Current price $94.50 USD
    $94.50 USD - $94.50 USD
    Current price $94.50 USD
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  • Original price $49.00 USD
    Original price $49.00 USD - Original price $49.00 USD
    Original price $49.00 USD
    Current price $44.10 USD
    $44.10 USD - $44.10 USD
    Current price $44.10 USD

    Baader Ultrashort Clamp - 1.25"/T-2

    BAA-2458121
    1 in stock

    Ultra short 1¼" eyepiece-clamp (w. brass locking ring) Optical length: 20mm Optimized for guiding camera, w. three set screws for utmost stability...

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    Original price $49.00 USD
    Original price $49.00 USD - Original price $49.00 USD
    Original price $49.00 USD
    Current price $44.10 USD
    $44.10 USD - $44.10 USD
    Current price $44.10 USD
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  • Original price $134.00 USD
    Original price $134.00 USD - Original price $134.00 USD
    Original price $134.00 USD
    Current price $120.60 USD
    $120.60 USD - $120.60 USD
    Current price $120.60 USD

    Baader Ultrashort Eyepiece Clamp - 2"/M68x1(M)/M60x0.75(M)

    BAA-2458196

    Baader Ultrashort 2" eyepiece clampBaader Ultrashort 2" eyepiece clamp (12 mm backfocus) to mount onto the Carl Zeiss M68 System thread. Both sides...

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    Original price $134.00 USD
    Original price $134.00 USD - Original price $134.00 USD
    Original price $134.00 USD
    Current price $120.60 USD
    $120.60 USD - $120.60 USD
    Current price $120.60 USD
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  • Original price $139.00 USD
    Original price $139.00 USD - Original price $139.00 USD
    Original price $139.00 USD
    Current price $125.10 USD
    $125.10 USD - $125.10 USD
    Current price $125.10 USD

    Baader 2" Four-in-One Clamp Adapter M68 (Zeiss)/2.7" (A.P.)/M60 (Vixen)/M56 (Synta)

    BAA-2458190

    2" Clamping Eyepiece Holder with internal non-marring bronze clamp ring and dual large thumbscrews. Fits all Zeiss instruments with 68mm thread (w...

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    Original price $139.00 USD
    Original price $139.00 USD - Original price $139.00 USD
    Original price $139.00 USD
    Current price $125.10 USD
    $125.10 USD - $125.10 USD
    Current price $125.10 USD
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  • Original price $71.00 USD
    Original price $71.00 USD - Original price $71.00 USD
    Original price $71.00 USD
    Current price $63.90 USD
    $63.90 USD - $63.90 USD
    Current price $63.90 USD

    Baader 2" Locking Ring for SCTs 8"/9.25"/11"/14"

    BAA-2458270

    Allows direct connection of Baader 2" Zenith Prisms and mirrors to Schmidt-Cassegrain telescopes. For Celestron SCTs 8/9.25/11/14 with female 2" t...

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    Original price $71.00 USD
    Original price $71.00 USD - Original price $71.00 USD
    Original price $71.00 USD
    Current price $63.90 USD
    $63.90 USD - $63.90 USD
    Current price $63.90 USD
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  • Original price $58.00 USD
    Original price $58.00 USD - Original price $58.00 USD
    Original price $58.00 USD
    Current price $52.20 USD
    $52.20 USD - $52.20 USD
    Current price $52.20 USD

    Baader 2" Nosepiece to T-2/M48a – with Safety-Kerf

    BAA-2458130
    2 in stock

    Nosepiece with Baader proprietory Safety Kerfs grooves so that even the heaviest accessories cannot fall to the ground Equipped with only 3 mm lon...

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    Original price $58.00 USD
    Original price $58.00 USD - Original price $58.00 USD
    Original price $58.00 USD
    Current price $52.20 USD
    $52.20 USD - $52.20 USD
    Current price $52.20 USD
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  • Original price $43.00 USD
    Original price $43.00 USD - Original price $43.00 USD
    Original price $43.00 USD
    Current price $38.70 USD
    $38.70 USD - $38.70 USD
    Current price $38.70 USD

    Baader 2"/2" Inverter Ring

    BAA-2958243

    Reverses 2" (50,8mm) male into 2" female SC-thread allows shortest possible rigid connection onto 2" SC-threads necessary to connet the Research G...

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    Original price $43.00 USD
    Original price $43.00 USD - Original price $43.00 USD
    Original price $43.00 USD
    Current price $38.70 USD
    $38.70 USD - $38.70 USD
    Current price $38.70 USD
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  • Original price $48.00 USD
    Original price $48.00 USD - Original price $48.00 USD
    Original price $48.00 USD
    Current price $43.20 USD
    $43.20 USD - $43.20 USD
    Current price $43.20 USD

    Baader 2"/2" Inverter Ring w/ 48mm Filter Thread

    BAA-1508020
    1 in stock

    Converts 2" female into 2" male thread Internal M48 Filter thread for 2" filter Can be used to connect Baader Hyperion Mark III Zoom directly to a...

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    Original price $48.00 USD
    Original price $48.00 USD - Original price $48.00 USD
    Original price $48.00 USD
    Current price $43.20 USD
    $43.20 USD - $43.20 USD
    Current price $43.20 USD
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  • Original price $282.83 USD
    Original price $282.83 USD - Original price $282.83 USD
    Original price $282.83 USD
    Current price $238.37 USD
    $238.37 USD - $238.37 USD
    Current price $238.37 USD

    Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)

    BAA-2961400-125-USED
    Only 1 left!

    In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

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    Original price $282.83 USD
    Original price $282.83 USD - Original price $282.83 USD
    Original price $282.83 USD
    Current price $238.37 USD
    $238.37 USD - $238.37 USD
    Current price $238.37 USD
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  • Original price $193.17 USD
    Original price $193.17 USD - Original price $193.17 USD
    Original price $193.17 USD
    Current price $180.78 USD
    $180.78 USD - $180.78 USD
    Current price $180.78 USD

    Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

    BAA-2961100-36-OPENBOX
    Only 1 left!

    In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

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    Original price $193.17 USD
    Original price $193.17 USD - Original price $193.17 USD
    Original price $193.17 USD
    Current price $180.78 USD
    $180.78 USD - $180.78 USD
    Current price $180.78 USD
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  • Original price $62.00 USD
    Original price $62.00 USD - Original price $62.00 USD
    Original price $62.00 USD
    Current price $55.80 USD
    $55.80 USD - $55.80 USD
    Current price $55.80 USD

    Baader Adapter - 1.25"/0.965"

    BAA-2408191

    Eyepiece barrel reducer, 1¼ "to 0.965" (24.5mm) Threaded M28.5 for 1¼" filters For using 0.965" (24.5mm) eyepieces in 1¼ "eyepiece holders and foc...

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    Original price $62.00 USD
    Original price $62.00 USD - Original price $62.00 USD
    Original price $62.00 USD
    Current price $55.80 USD
    $55.80 USD - $55.80 USD
    Current price $55.80 USD
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  • Original price $67.00 USD
    Original price $67.00 USD - Original price $67.00 USD
    Original price $67.00 USD
    Current price $60.30 USD
    $60.30 USD - $60.30 USD
    Current price $60.30 USD

    Baader Adapter - 1.25"/2"" w/ T-2 Thread

    BAA-2408190

    2" external thread to 1 ¼" internal thread reducter / eyepiece adaptor Strong grip with 2 screws and non-marring bronze compression ring ideal for...

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    Original price $67.00 USD
    Original price $67.00 USD - Original price $67.00 USD
    Original price $67.00 USD
    Current price $60.30 USD
    $60.30 USD - $60.30 USD
    Current price $60.30 USD
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  • Original price $79.00 USD
    Original price $79.00 USD - Original price $79.00 USD
    Original price $79.00 USD
    Current price $71.10 USD
    $71.10 USD - $71.10 USD
    Current price $71.10 USD

    Baader Adapter - 2" NexStar 4 (C90)/ETX

    BAA-2958500

    T-2 Photo Adapter with 2" female thread Incl. 1¼" Filter holder NX4 (C90) / ETX (and SC!) Universal Photo Adapter

    Original price $79.00 USD
    Original price $79.00 USD - Original price $79.00 USD
    Original price $79.00 USD
    Current price $71.10 USD
    $71.10 USD - $71.10 USD
    Current price $71.10 USD
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  • Original price $62.00 USD
    Original price $62.00 USD - Original price $62.00 USD
    Original price $62.00 USD
    Current price $55.80 USD
    $55.80 USD - $55.80 USD
    Current price $55.80 USD

    Baader Adapter - 2" SCT(M) Thread/T-2(M)

    BAA-1508035

    Adaptor ring with 2" external thread and T-2 external thread changes a 2" (50.8mm) inner thread to a T-2 (M42x0.75) outer thread Internal 2" (M48)...

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    Original price $62.00 USD
    Original price $62.00 USD - Original price $62.00 USD
    Original price $62.00 USD
    Current price $55.80 USD
    $55.80 USD - $55.80 USD
    Current price $55.80 USD
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  • Original price $233.00 USD
    Original price $233.00 USD - Original price $233.00 USD
    Original price $233.00 USD
    Current price $209.70 USD
    $209.70 USD - $209.70 USD
    Current price $209.70 USD

    Baader Adapter - FLI Dovetail/M68x1(M)

    BAA-2458219

    Baader M68ext x 1 to FLI adapter flange Telescope-sided with M68 (Zeiss) male thread, to connect all parts of the Baader/Zeiss M68 System Camera-s...

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    Original price $233.00 USD
    Original price $233.00 USD - Original price $233.00 USD
    Original price $233.00 USD
    Current price $209.70 USD
    $209.70 USD - $209.70 USD
    Current price $209.70 USD
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  • Original price $36.00 USD
    Original price $36.00 USD - Original price $36.00 USD
    Original price $36.00 USD
    Current price $32.40 USD
    $32.40 USD - $32.40 USD
    Current price $32.40 USD

    Baader Adapter - M36.4(M)/T-2(M)

    BAA-1508039

    M 36.4 is standard of Vixen telescopes Telescope side external thread 36.4mm Focuser side T-2 external thread (direct T-2 photo thread for Vixen, ...

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    Original price $36.00 USD
    Original price $36.00 USD - Original price $36.00 USD
    Original price $36.00 USD
    Current price $32.40 USD
    $32.40 USD - $32.40 USD
    Current price $32.40 USD
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  • Original price $38.00 USD
    Original price $38.00 USD - Original price $38.00 USD
    Original price $38.00 USD
    Current price $34.20 USD
    $34.20 USD - $34.20 USD
    Current price $34.20 USD

    Baader Adapter - M48/T-2

    BAA-2958553
    1 in stock

    Changer / Inverter Ring M48 to T-2 for T-Rings / Adapters with M48 inner thread Can be used to combine T-Rings with M48 inner threads with accesso...

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    Original price $38.00 USD
    Original price $38.00 USD - Original price $38.00 USD
    Original price $38.00 USD
    Current price $34.20 USD
    $34.20 USD - $34.20 USD
    Current price $34.20 USD
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  • Original price $79.00 USD
    Original price $79.00 USD - Original price $79.00 USD
    Original price $79.00 USD
    Current price $71.10 USD
    $71.10 USD - $71.10 USD
    Current price $71.10 USD

    Baader Adapter - M68x1(F)/AP 2.7"(F)

    BAA-2458221

    Adapter 2.7"i UNF/24G (Astro Physics) to M68ext x 1 (Zeiss) Reducer: converts an AP 2.7” external thread to an M68 x1 external thread

    Original price $79.00 USD
    Original price $79.00 USD - Original price $79.00 USD
    Original price $79.00 USD
    Current price $71.10 USD
    $71.10 USD - $71.10 USD
    Current price $71.10 USD
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  • Original price $80.00 USD
    Original price $80.00 USD - Original price $80.00 USD
    Original price $80.00 USD
    Current price $72.00 USD
    $72.00 USD - $72.00 USD
    Current price $72.00 USD

    Baader Adapter - M68x1(F)/AP 2.7"(M)

    BAA-2458220

    Adapter 2.7"a UNF/24G (Astro Physics) to M68int x 1 (Zeiss) Reducing piece: converts an AP 2.7” internal thread to an M68 x1 internal thread

    Original price $80.00 USD
    Original price $80.00 USD - Original price $80.00 USD
    Original price $80.00 USD
    Current price $72.00 USD
    $72.00 USD - $72.00 USD
    Current price $72.00 USD
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  • Original price $70.00 USD
    Original price $70.00 USD - Original price $70.00 USD
    Original price $70.00 USD
    Current price $63.00 USD
    $63.00 USD - $63.00 USD
    Current price $63.00 USD

    Baader Adapter - M68x1(F)/M63x1(M) (Feather Touch 2.5", TS-Optics)

    BAA-2458239

    Adapter with M68i x1 to M63a x1 male thread, to adapt M68 parts to Starlight Instruments Feathertouch 2.5" and TS-Optics (Photo Line) focusers wit...

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    Original price $70.00 USD
    Original price $70.00 USD - Original price $70.00 USD
    Original price $70.00 USD
    Current price $63.00 USD
    $63.00 USD - $63.00 USD
    Current price $63.00 USD
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  • Original price $54.00 USD
    Original price $54.00 USD - Original price $54.00 USD
    Original price $54.00 USD
    Current price $48.60 USD
    $48.60 USD - $48.60 USD
    Current price $48.60 USD

    Baader Adapter - M68x1(F)/M74x1(F) (Skywatcher Esprit, TS-Optics, Omegon)

    BAA-2458237

    Adapter with M68i x1 to M74i x1 female threads, to adapt M68 parts to focusers with M74 x 1 male thread, e.g. Skywatcher Esprit 120&150, TS-Op...

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    Original price $54.00 USD
    Original price $54.00 USD - Original price $54.00 USD
    Original price $54.00 USD
    Current price $48.60 USD
    $48.60 USD - $48.60 USD
    Current price $48.60 USD
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  • Original price $72.00 USD
    Original price $72.00 USD - Original price $72.00 USD
    Original price $72.00 USD
    Current price $64.80 USD
    $64.80 USD - $64.80 USD
    Current price $64.80 USD

    Baader Adapter - M68x1(F)/M75x1(M) (Feather Touch 3.0")

    BAA-2458238

    Adapter with M68i x1 to M75a x1 male thread, to adapt M68 parts to Starlight Instruments Feathertouch 3.0" focusers with M75 x 1 female thread Cha...

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    Original price $72.00 USD
    Original price $72.00 USD - Original price $72.00 USD
    Original price $72.00 USD
    Current price $64.80 USD
    $64.80 USD - $64.80 USD
    Current price $64.80 USD
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