Products

Baader Wide-T-Ring D52 for Canon R with S52 Adapter Baader Wide-T-Ring Canon R to connect Canon EOS R cameras on the Astro T-2 system and S52 dove...

Baader Wide-T-Ring D52i for Nikon Z, with S52 Adapter Baader Wide-T-Ring Nikon Z to connect Nikon Z cameras on the Astro T-2 system and the S52 do...

Baader Wide-T-Ring for Leica, Sigma, Panasonic-L with D52i to T-2 and S52   Baader Wide-T-Ring to connect Leica, Sigma, Panasonic-L cameras on the...

Baader Wide-T-Ring Fujifilm X with D52i to T-2 and S52   Baader Wide-T-Ring to connect Fuji X cameras on the Astro T-2 system All Baader Wide-T-ri...

Baader Wide-T-Ring Nikon with D52i to T-2 and S52   Baader Wide-T-Ring to connect Nikon DSLR cameras on the Astro T-2 system All Baader Wide-T-rin...

Baader Wide-T-Ring Sony Alpha and Minolta Maxxum with D52i to T-2 and S52   Baader Wide-T-Ring to connect Sony Alpha cameras and Minolta DSLR came...

Baader Wide-T-Ring Sony E/NEX Bayonet with D52i/M48 to T-2 and S52 The Sony Alpha 7 cameras – especially the 7S and 7SII – are very interesting fo...

Baader Winged rubber-eyecup 42/43 Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold d...

Baader winged rubber-eyecup 43/44 Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold...

Baader Yellow Color Filter Color Filter Set with 6 colors for contrast enhancement of lunar and planetary observations. Included Filters: Dark B...

Baader Zeiss-Diascope/Mark IV Zoom Adapter M45 x 0.5 threaded adapter ring for shortest possible adaptation of Hyperion Universal Zoom Mark IV to ...

Baader Zenith Prism Diagonal T-2/90 ° with 32mm Prism Includes: T-2/32 Diagonal with focusing 1¼" eyepiece clamp (#2458125) and 1¼" nose piece (...

Baader Zero-Tolerance Protective Canon DSLR T-Ring T-2/M48 and 2" Today's large sensor digital SLRs and advanced imaging techniques enable amateurs...

BLUETTI AC2P Portable Power Station | 300W 230.4Wh Portable & lightweight, perfect for your backpack; Small but mighty with a 600 power lift...

BLUETTI AC50P Portable Power Station | 700W 504Wh   Reliable Powerhouse: 504Wh capacity for extended battery life ; Unmatched Output: 700W continu...

Bob's Knob for Common Newtonian Primary Common Newtonian-style telescope primary configurations: These knobs will fit most Newtonian reflectors mad...

Bob's Knobs for Astro-Tech [also GSO, iOptron, MallinCam, Orion, TPO] 6" f/9 Ritchey-Crétien Secondary Fits: Astro-Tech, GSO, iOptron, MallinCam, O...

Bob's Knobs for Astro-Tech [also GSO, iOptron, MallinCam, Orion, TPO] 8" f/8 Ritchey-Crétien Secondary Fits: Astro-Tech, GSO, iOptron, MallinCam, O...

Bob's Knobs for Celestron 11" SCT We offer knobs for all versions of the Celestron 11” f/10 Schmidt-Cassegrain secondary with either standard or me...

Bob's Knobs for Celestron 5" SCT A. Knobs for C5 f/10 Secondary with Standard Collimation Screw ThreadsPart Part: C5stdFits: Celestron 5” (13 cm) ...

Bob's Knobs for Celestron 6” SCT  The knobs below will fit almost all versions of the Celestron 6” Schmidt-Cassegrain secondary. Price is for a com...

Bob's Knobs for Celestron 8" SCT A. Knobs for C8 f/10 Pre-1980 Orange-Tube Secondary Part: C8orgFits: Pre-1980 Celestron 8” (20 cm) f/10 SCT with ...

Bob's Knobs for Celestron 9.25” SCT  A. Knobs for C9.25 f/10 Secondary with Standard Collimation Screw Threads Part: C9.25stdFits: Celestron 9.25”...

Bob's Knobs for Common Newtonian Secondary Fits: Celestron C8-N/NGT, C10-N/NGT, Celestron StarSense DX, Explorer Newtonian telescopes, Orion Astrog...

Bob's Knobs for MEADE 10” (25 cm) SCT We offer knobs for all versions of the Meade 10” f/10 and f/6.3 Schmidt-Cassegrain secondary, including those...

Bob's knobs for MEADE 12” (30 cm) SCT We offer knobs for all versions of the Meade 12” f/10 and f/8 Schmidt-Cassegrain secondary, including those w...

Bob's Knobs for MEADE 14” (36 cm) SCT We offer knobs for the Meade 14” f/10 (Item A) and f/8 (Item B) Schmidt-Cassegrain secondary with exposed col...

Bob's Knobs for MEADE 16” (41 cm) SCT We offer knobs for all versions of the Meade 16” f/10 Schmidt-Cassegrain secondary, including those with thre...

Bob's Knobs for Meade 6" SCT The knobs below will fit all versions of the Meade 6” Schmidt-Cassegrain secondary. Price is for a complete set of kno...

Bob's Knobs for MEADE 8” (20 cm) SCT We offer knobs for all versions of the Meade 8” f/10 and f/6.3 Schmidt-Cassegrain secondary, including those w...

Bob's Knobs for Sky Watcher Quattro Newtonian We offer knobs for the SkyWatcher Quattro Newtonian secondary. The Quattro primary is already equippe...

Bob's Knobs for SkyWatcher & Celestron Newtonian Primary Fits: SkyWatcher Newtonian telescopes with factory collimation screws.Primary collima...

Bob's Knobs Springs for SkyWatcher Dobsonian Newtonian Primary Fits: SkyWatcher (5”, 6”, 8”, 10”, 12”) Newtonian telescopes. Primary mirror springs...

Bob’s Knobs for Celestron 14″ SCT Fits: Celestron 14” (36 cm) f/11 SCT versions with factory headless set-style (Allen or slotted) collimation scre...