Collimation & Focusing Tools
- Bob's Knobs for Orion Astrograph 4-Vane Phillips Screw Secondary Knobs # CNsec35Our Price: $22.95Out of StockFree US Shipping Over $25
- Bob's Knobs for Meade 8" f/10 with 3-Screw Secondary # M8-3Our Price: $18.95Out of StockFree US Shipping Over $25
- 3D Astro Bahtinov Focus Mask - 44mm ID # BM-S-44Our Price: $7.50Out of StockFree US Shipping Over $25
- Agena Extra M5 Base for Multi Reticle Reflex Finder with Type 0 BracketOur Price: $9.95In StockFree US Shipping Over $25
- William Optics Diffraction Spikes Bahtinov Focusing Mask - For Telescope Tube/Dewshield Diam...Our Price: $79.00In StockFree US Shipping
- Farpoint Tri-Bahtinov Focus and Collimation Mask for Celestron SCT/RASA TelescopesFrom Our Price: $35.00Free US Shipping
- Howie Glatter Holographic Attachment for Laser Collimator - Crosshair and Circle Scope PatternOur Price: $55.00Out of StockFree US Shipping
- Discontinued3D Astro Bahtinov Focus Mask for William Optics 50mm Guide Scope # BM-59Our Price: $9.50Out of StockFree US Shipping Over $25
- 3D Astro Bahtinov Focus Mask - 58mm ID # BM-S-58Our Price: $9.25In StockFree US Shipping Over $25
- Farpoint 1.25" Reflective Cheshire Collimator # FP260Our Price: $39.00Out of StockFree US Shipping
- Agena Type B0 Mounting Bracket and M5 Base for Agena Multi Reticle Reflex FinderOur Price: $20.95In StockFree US Shipping Over $25
- Bob's Knobs for GSO made 8" Ritchey-Chretien Secondary (Astro-Tech, TPO, Apertura, Orion, iO...Our Price: $27.95In StockFree US Shipping
- Howie Glatter TuBlug - Barlowed Collimation Plug for Newtonian Telescopes - 1.25"Our Price: $160.00Out of StockFree US Shipping
- Bob's Knobs for Celestron C5 f/10 Secondary with Metric Collimation Screw Threads # C5metBOOur Price: $22.95In StockFree US Shipping Over $25
- Discontinued3D Astro Bahtinov Focus Mask for William Optics 32mm UniGuide Scope # BM-41Our Price: $7.25Out of StockFree US Shipping Over $25
- Bob's Knobs for Meade 8" f/10 with 6-Screw Secondary # M8-6Our Price: $18.95In StockFree US Shipping Over $25
- Farpoint Bahtinov Focus Mask (Unmounted) for DSLR Camera Lens w/ 67mm Filter Thread # FP441Our Price: $19.25In StockFree US Shipping Over $25
- Bob's Knobs for Celestron C11 f/10 with Trifid Fastar Secondary Housing and Standard Collima...Our Price: $22.95In StockFree US Shipping Over $25
- Farpoint Bahtinov Focus Mask (Unmounted) for DSLR Camera Lens w/ 52mm Filter Thread # FP438Our Price: $19.25In StockFree US Shipping Over $25
- Farpoint Bahtinov Focus Mask (Unmounted) for DSLR Camera Lens w/ 72mm Filter Thread # FP442Our Price: $19.25In StockFree US Shipping Over $25
- Howie Glatter 650nm Standard Brightness Red Laser Collimator - 1.25" & 2" (New Version)Our Price: $310.00Out of StockFree US Shipping
- Howie Glatter 650nm Standard Brightness Red Laser Collimator - 2" (New Version)Our Price: $280.00Out of StockFree US Shipping
- 3D Astro Bahtinov Focus Mask - 42mm ID # BM-S-42Our Price: $7.25In StockFree US Shipping Over $25