Quick view Baader Planetarium Reducing-Ring 2"i / T-2a with 1.5mm optical length (BPR2T2-15) Low profile adapter 2"i to T-2a, featuring just 1.5mm optical length changes a 2" SC (50,8mm) MSRP: Was: Now: $36.00 Add to Cart
Quick view Baader Planetarium Click-Lock Eyepiece Clamp 1.25"/T-2 with built-in diopter-adjustment (BP8) Precise focusing eyepiece holder 1¼"/T-2 (5mm focus travel) Requires only a slight turn of MSRP: Was: Now: $94.00
Quick view Baader Planetarium Ultrashort 2" Eyepiece Clamp for Vixen M60 and Zeiss M68 (BP32) Eyepiece clamp (12 mm backfocus) Both sides of the clamp are equipped with M68 male threads Inte MSRP: Was: Now: $80.00
Quick view Baader Planetarium 1.25" Double T-2 Filter Holder (BP31) Filter holder with T-2 thread and M28.5 internal thread. A continuous external T-2 thread with an MSRP: Was: Now: $48.00 Add to Cart
Quick view Baader Planetarium Expansion Ring T-2 /48mm with 2.5mm optical path length (BP29) T-2 / M48 extension converts M48 female into T-2 female thread) Focuser side 48mm / 2" external t MSRP: Was: Now: $39.00 Add to Cart
Quick view Baader Planetarium Expansion Ring T-2i /2"a with 1mm optical path length (BP28) Adapter Ring 2" outer thread to T-2 internal thread Advances T-2 male on 2" male Only 1mm optica MSRP: Was: Now: $45.00 Add to Cart
Quick view Baader Planetarium Adapter 2" (male) /T-2 (male) with M48 Thread (BP27) Adapter ring with 2" external thread and T-2 external thread Changes a 2" (50.8mm) inner thread t MSRP: Was: Now: $45.00 Add to Cart
Quick view Baader Planetarium T-2/T-2 Inverter Ring (BP26) Changes a T-2 female into a T-2 male thread Optical path length is zero. Free of reflections MSRP: Was: Now: $36.00 Add to Cart
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
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
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 MSRP: Was: Now: $240.00 Add to Cart
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 Add to Cart
Quick view Astro-Physics Astro-Physics Embroidered Cap, Stone (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 1.25" Solar Continuum Filter. MUST be used with a white-light filter in front of main telescope optics (BPSC125) This filter is available in 1.25" (BPSC125) or 2" (BPSC2 sizes. Baader 1.25" Solar Continuum Filt MSRP: Was: Now: $88.00
Quick view Baader Planetarium 2" UV-IR Rejection Filter (BPUVIR2) This filter is available in two sizes: 1.25" (BPUVIR125) and 2" (BPUVIR2) sizes. Blocks UV below MSRP: Was: Now: $114.00 Add to Cart
Quick view Baader Planetarium 1.25" UV-IR Rejection Filter (BPUVIR125) This filter is available in two sizes: 1.25" (BPUVIR125) and 2" (BPUVIR2) sizes. Blocks UV below MSRP: Was: Now: $66.00 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" Solar Continuum Filter MUST be used with a white-light filter in front of main telescope optics (BPSC2) This filter is available in 1.25" (BPSC125) or 2" (BPSC2 sizes. Baader 1.25" Solar Continuum Filt MSRP: Was: Now: $136.00 Add to Cart
Quick view Baader Planetarium 2" Single Polarizing Filter (BPPOL2) These filters come in two sizes: 1.25" (BPPOL125) and 2" (BPPOL2) Baader 1.25" Polarizing Filter MSRP: Was: Now: $87.00 Add to Cart
Quick view Baader Planetarium 1.25" Single Polarizing Filter (BPPOL125) These filters come in two sizes: 1.25" (BPPOL125) and 2" (BPPOL2) Baader 1.25" Polarizing Filter 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
Quick view Baader Planetarium 1.25" Narrowband O-III Filter (BPO3125) We offer 1.25" (BPO3125) and 2" (BPO32) versions of this filter. Ultra hard and bright O-III visu MSRP: Was: Now: $90.00
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
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
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
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: $31.00
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) Kendrick Solar filters featuring Baader film are famous for their exquisite sharpness and detail acr MSRP: Was: Now: $119.00 Add to Cart
Quick view Kendrick Astro Instruments Kendrick Visual AstroSolar Filter for 206mm StarFire Lens Cell. Fits 214-224mm OD, 177mm filter aperture. (KS6012-A) Kendrick Solar filters featuring Baader film are famous for their exquisite sharpness and detail acr MSRP: Was: Now: $125.00
