Quick view Baader Planetarium Variable Locking/Sliding T-2 Focuser (BP24) For 1.25" eyepieces or OAG cameras. 10mm focus travel Telescope side T-2 (M42x0.75 internal threa MSRP: Was: Now: $44.00 Add to Cart
Quick view Baader Planetarium Russian Camera Adapter M42/T-2 (BP23) M42x1 internal thread with T-2 external thread Transition adaptor for all Russian threaded M42x1 MSRP: Was: Now: $44.00 Add to Cart
Quick view Baader Planetarium Adapter M43/T-2, Vixen (BP22) Telescope side internal thread 43mm (Vixen) Focuser side T-2 external thread Shortest connection MSRP: Was: Now: $45.00 Add to Cart
Quick view Baader Planetarium C8 T-Adapter, short/16mm (BP21) A widefield camera adapter for all Schmidt-Cassegrain Celestron/Meade telescope tubes. Allows T-2 MSRP: Was: Now: $57.00 Add to Cart
Quick view Baader Planetarium 2"/2" Inverter Ring with 48mm Filter Thread (BP2/21) Converts 2" female into 2" male thread Internal M48 Filter thread for 2" filter MSRP: Was: Now: $44.00 Add to Cart
Quick view Baader Planetarium 2" Deluxe Clamp Eyepiece Holder for SCTs (BP17) SCT visual back with 2" SCT internal female thread but without 2" Filter holder Precise 2" clamp MSRP: Was: Now: $64.00
Quick view Baader Planetarium Reducer 2"/ 1.25" with T-2 Thread (BP15) 2" external thread to 1 ¼" internal thread reducter / eyepiece adaptor Strong grip with 2 MSRP: Was: Now: $52.00 Add to Cart
Quick view Baader Planetarium Nose piece 1.25"/T-2 (BP14) 1¼" nosepiece with T-2 thread and M28.5 filterholder Barrel with 24mm Insertion and securi MSRP: Was: Now: $45.00 Add to Cart
Quick view Baader Planetarium Camera Adapter for Zeiss M44/T-2 (BP13) Combo of M44 male and T-2 male threads T-2 (M42 x 0.75) thread To connect T-2 accessories / came MSRP: Was: Now: $45.00 Add to Cart
Quick view TeleVue TeleVue Starbeam Reflex Finder with Flip Mirror (STARFMD) Starbeam's unique flip mirror provides comfort and flexibility for viewing at any angle - from strai
Quick view Astro-Physics Astro-Physics Embroidered Knit Cap, Dark Ash (APCAPW) Keep Warm with our Knit Winter Cap with Cuff What better way for an astronomer to stay warm on thos MSRP: Was: Now: $15.00
Quick view Astro-Physics Astro-Physics Embroidered Cap (APCAPES) These attractive ball caps feature the Astro-Physics logo beautifully embroidered across the front. MSRP: Was: Now: $22.00 Add to Cart
Quick view Baader Planetarium 2" UHC-S High Transmission Nebula Filter (BPUHCS2) This filter is available in 1.25" (BPUHCS125) and 2" (BPUHCS2) sizes. Visual and photographic UHC MSRP: Was: Now: $114.00 Add to Cart
Quick view Baader Planetarium 1.25" UHC-S High Transmission Nebula Filter (BPUHCS125) This filter is available in 1.25" (BPUHCS125) and 2" (BPUHCS2) sizes. Visual and photographic UHC MSRP: Was: Now: $85.00 Add to Cart
Quick view Baader Planetarium 2" U-Filter, Venus Filter (BPU2) Baader U-Filter (Venus and UV) 350nm. Transmission peak approx. 80% at 350nm, bandwidth 60nm (320 MSRP: Was: Now: $355.00 Add to Cart
Quick view Baader Planetarium 2" Single Polarizing Filter (BPPOL2) A polarizing filter is an excellent filter choice for lunar viewing. It provides variable neutral de MSRP: Was: Now: $87.00 Add to Cart
Quick view Baader Planetarium 1.25" Single Polarizing Filter (BPPOL125) A polarizing filter is an excellent filter choice for lunar viewing. It provides variable neutral de MSRP: Was: Now: $58.00
Quick view Baader Planetarium 2" Narrowband O-III Filter (BPO32) We offer 1.25" (BPO3125) and 2" (BPO32) versions of this filter. Ultra hard and bright O-III visu MSRP: Was: Now: $118.00 Add to Cart
Quick view Baader Planetarium 2" Neodymium Moon & Skyglow Filter (BPMS2) This filter is available in 1.25" (BPMS125) and 2" (BPMS2) sizes . The best visual and photograph MSRP: Was: Now: $119.00 Add to Cart
Quick view Baader Planetarium 1.25" Neodymium Moon & Skyglow Filter (BPMS125) This filter is available in 1.25" (BPMS125) and 2" (BPMS2) sizes . The best visual and photograph MSRP: Was: Now: $74.00 Add to Cart
Quick view Baader Planetarium 2" Color Filter Set (BPCF2) These colored filter sets are available in two sizes" 1.25" (BPCF125) and 2" (BPCF2) Fits 2" thre MSRP: Was: Now: $284.00 Add to Cart
Quick view Baader Planetarium 1.25" Color Filter Set (BPCF125) These colored filter sets are available in two sizes" 1.25" (BPCF125) and 2" (BPCF2) Fits 1&frac1 MSRP: Was: Now: $174.00 Add to Cart
Quick view Baader Planetarium 2" Contrast Booster Filter (BPCB2) This filter is available in two sizes: 12.5" (BPCB125) and 2" (BPCB2). 2" Contrast Booster Filter MSRP: Was: Now: $115.00 Add to Cart
Quick view Baader Planetarium 1.25" Contrast Booster Filter (BPCB125) This filter is available in two sizes: 12.5" (BPCB125) and 2" (BPCB2). 1¼" Contrast Booste MSRP: Was: Now: $74.00 Add to Cart
Quick view Kendrick Astro Instruments Kendrick Sun Finder (KSF6000) The Kendrick Sun Finder makes locating the sun and centering it in your eyepiece a cinch…no m MSRP: Was: Now: $36.00
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter for 175mm StarFire and 180mm StarFire Dew Shield. Fits 223-233mm OD, 203mm filter aperture. (KS6013) Limited quantities. Kendrick Astro plans to discontinue the Classic Solar Filter line due to higher MSRP: Was: Now: $119.00
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter for 140mm StarFire, 155mm StarFire and Star155ED Dew Shield. Fits 182-192mm OD, 155 mm filter aperture. (KS6011) Limited quantities. Kendrick Astro plans to discontinue the Classic Solar Filter line due to higher MSRP: Was: Now: $126.00 Add to Cart
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter for Star12ED Lens Cell. Fits 130-140mm OD, 114mm filter aperture. (KS6007) Limited quantities. Kendrick Astro plans to discontinue the Classic Solar Filter line due to higher MSRP: Was: Now: $85.00
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter for 70mm Binoculars. Fits 85-95mm OD (two required for binoculars), 76mm filter aperture. (KS6002) Limited quantities. Kendrick Astro plans to discontinue the Classic Solar Filter line due to higher MSRP: Was: Now: $78.00 Add to Cart
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter. Fits 288mm-298mm OD, 253mm filter aperture. (KS6016) Limited quantities. Kendrick Astro plans to discontinue the Classic Solar Filter line due to higher MSRP: Was: Now: $156.00 Add to Cart
Quick view Baader Planetarium 2" Neutral Density 1.8 Filter. Must be used with white light solar filter. (BPND18) Baader 2" Neutral Density Filter with optical density ND 1.8 - Transmission 1.5% - Reduction facto MSRP: Was: Now: $79.00 Add to Cart
Quick view Baader Planetarium Baader 80mm AstroSolar ASTF Filter, fits 100-140mm OD (ASTF-80) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $68.00 Add to Cart
Quick view Baader Planetarium Baader 200mm AstroSolar ASTF Filter, fits 220-260mm OD (ASTF-200) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $135.00 Add to Cart
Quick view Baader Planetarium Baader 180mm AstroSolar ASTF Filter, fits 200-240mm OD (ASTF-180) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $124.00 Add to Cart
Quick view Baader Planetarium Baader 160mm AstroSolar ASTF Filter, fits 180-220mm OD (ASTF-160) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $110.00 Add to Cart
Quick view Baader Planetarium Baader 140mm AstroSolar ASTF Filter, fits 160-200mm OD (ASTF-140) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $99.00 Add to Cart
Quick view Baader Planetarium Baader 120mm AstroSolar ASTF Filter, fits 140-180mm OD (ASTF-120) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $90.00 Add to Cart
Quick view Baader Planetarium Baader 100mm AstroSolar ASTF Filter, fits 120-160mm OD (ASTF-100) The ASTF family of solar filters is constructed in a more elaborate manner than either the ASSF or A MSRP: Was: Now: $79.00 Add to Cart
Quick view Baader Planetarium Baader 80mm AstroSolar ASSF Filter, fits 85-100mm OD (ASSF-80) The ASSF family of filters offers a stable and rigid solution for all telescopes, spotting scopes an MSRP: Was: Now: $51.00
Quick view Baader Planetarium Baader 150mm AstroSolar ASSF Filter, fits 168-198mm OD (ASSF-150) The ASSF family of filters offers a stable and rigid solution for all telescopes, spotting scopes an MSRP: Was: Now: $93.00 Add to Cart