Quick view Astro-Physics 2.7" Focuser with Feather Touch Micro 9:1 Dual-Speed Knobs (27FOC3E-FT) The silky smoothness of the 2.7" Astro-Physics focuser and the dual-speed mechanism of the Feather T MSRP: Was: Now: $1,300.00
Quick view 2" Adapter for 2.5" DoveLoc; Allows use of 2" Accessories; Included with 92mm F6.65 Stowaway and for use with Traveler (ADA2520DL) The ADA2520DL adapter serves as the 2.5” Doveloc component for visual observing. It has the Do MSRP: Was: Now: $97.00 Add to Cart
Quick view Astro-Physics 27.0mm Extension for 2.7" Thread (EXT27-27.0) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $53.00 Add to Cart
Quick view Astro-Physics 64.8mm Extension for 2.7" Thread (EXT27-64.8) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $69.00 Add to Cart
Quick view Astro-Physics 44.5mm Extension for 2.7" Thread (EXT27-44.5) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $57.00 Add to Cart
Quick view Astro-Physics 31.8mm Extension for 2.7" Thread (EXT27-31.8) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $53.00 Add to Cart
Quick view Astro-Physics 22.9mm Extension for 2.7" Thread (EXT27-22.9) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $48.00 Add to Cart
Quick view Astro-Physics 19.1 mm Extension for 2.7" Thread (EXT27-19.1) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $48.00 Add to Cart
Quick view Astro-Physics 15.2mm Extension for 2.7" Thread (EXT27-15.2) We offer a series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, wh MSRP: Was: Now: $48.00 Add to Cart
Quick view Astro-Physics 3.5" Focuser Doveloc to 2.7" Female Thread Adapter. Net Spacing Distance: 0.281" (7.14mm) (ADA35DL-27) The "doveloc" feature of the ADA35DL-27 is a 3.5” circular dovetail used with the 3.5” R MSRP: Was: Now: $75.00 Add to Cart
Quick view Astro-Physics Threaded 2.7" Barlow Holder with Internal 42mm Thread (BH27-INT42) Realize the full potential of your Baader Fluorite Flatfield Converter (BPFFC) or 2" Advanced Conver MSRP: Was: Now: $69.00 Add to Cart
Quick view Astro-Physics 3.27" Backfocus Spacer Extensions for Astro-Physics Focusers and Accessories (EXT327-) When purchasing the QUADTCC, 110TCC or other other accessories you may need to add the proper l MSRP: Was: Now: $92.00 Options
Quick view Astro-Physics Allows the 3.5" Focuser to be installed on Starfire 155 & Starfire 180 in place of 4" or 2.7" Focusers (ADA4F-35F) The ADA4F-35F adapter allows the 3.5” focuser (35FOCER-FT) to be installed on StarFire 155 &am MSRP: Was: Now: $103.00 Add to Cart
Quick view Astro-Physics 3.5" Rotating Focuser with FeatherTouch Micro 9:1 Dual-Speed, Includes Endcap, no adapters. (S35FOCER-FT) There may be circumstances when you do not need all the adapters with the 3.5”Ffocuser (35FOCE MSRP: Was: Now: $1,653.00 Add to Cart
Quick view Astro-Physics Feather Touch Micro Assembly Upgrade for Astro-Physics 4" Focusers with Stepped Pinion Block (4FTMU) Watch your images snap into focus with this Feather Touch Micro Upgrade. Astro-Physics teamed up wit MSRP: Was: Now: $616.00
Quick view Astro-Physics 3.5" Rotating Focuser with FeatherTouch Micro 9:1 Dual-Speed (35FOCER-FT) Our 130 Starfire GTX refractor ushered in a new era focuser…the 3.5” Astro-Physics focu MSRP: Was: Now: $1,802.00 Add to Cart
Quick view Astro-Physics Feather Touch Micro Upgrade for 2.7" and Traveler Focusers, can only be retrofit on to Astro-Physics refractors and focusers shipped since July 2001 (27FTMU) Achieve very fine critical focus by upgrading your 2.7" or Traveler Focuser with the Feather Touch M MSRP: Was: Now: $553.00 Add to Cart
Quick view Astro-Physics 3.5" Rotating Focuser Endcap. Required for TEC Refractors to use QUADTCC. Threads into TEC Focusers (S35RFAA) This Drawtube Endcap (S35RFAA) is integral with the Astro-Physics 3.5” Rotating Focuser. MSRP: Was: Now: $137.00 Add to Cart
Quick view Astro-Physics 2.5" DoveLoc End Cap for AP 2.7" Focusers, Allows Traveler to be used with 92FF and 92TCC. (EC2725) Diagrams and Instructions Field Flatteners, TCCs & QUADTCC Imaging Train Options MSRP: Was: Now: $86.00 Add to Cart
Quick view Astro-Physics 2.7" Adapter-threads onto 3.25" back of most 10+" Meade SCTs to use Astro-Physics 2.7" Accessories (ADASCTLM27) This 2.7" threaded back allows the use of Astro-Physics 2.7" accessories with 10", 12" & 14" Mea MSRP: Was: Now: $109.00 Add to Cart
Quick view Astro-Physics 2" Visual back threads onto 3.25" rear cell of the 10" or larger Meade SCTs. (ADASCTLM) This 2" visual back threads onto the rear cell of 10" or larger Meade SCTs with 3.25" male threads o MSRP: Was: Now: $92.00 Add to Cart
Quick view Astro-Physics 2.7" Adapter-threads onto 3.25" rear cell of 11" & 14" Celestron SCTs to use Astro-Physics 2.7" Accessories (ADASCTLC27) This 2.7" threaded back allows the use of Astro-Physics 2.7" accessories with 11" & 14" Celestro MSRP: Was: Now: $109.00 Add to Cart
Quick view Astro-Physics 2" Visual Back threads onto the 3.25" rear cell of the Celestron 11" or 14" SCTs. (ADASCTLC) This 2" visual back threads onto the rear cell of 10" to 14" Celestron SCTs with 3.25" male threads MSRP: Was: Now: $92.00 Add to Cart
Quick view Astro-Physics 2" Visual Back threads onto 9.25" or smaller SCT standard rear cell (ADASCT) This visual back fits rear cells that have a 2" opening with a 24 TPI (threads per inch) male thread MSRP: Was: Now: $69.00 Add to Cart
Quick view Astro-Physics 2" Adapter to use SCT accessories - for 2.7" drawtubes (ADA204) If you have thread-on accessories for an SCT and own one of our refractors, a Ritchey-Chretien with MSRP: Was: Now: $46.00 Add to Cart
Quick view Astro-Physics Thin 2" Adapter with brass locking ring and 3 large thumbscrews. Use when you need 11/32" more in-travel. (ADA20132) Use this adapter for critical applications and heavy loads where more in-travel is required. This ad MSRP: Was: Now: $80.00 Add to Cart
Quick view Astro-Physics 2" Adapter with Brass Locking Ring (ADA2003A) Custom CNC machined thumbscrews provide an elegant update to our 2" compression adapter. It features MSRP: Was: Now: $92.00 Add to Cart
Quick view Astro-Physics 1.25" Adapter with Brass Locking Ring (ADA125) The 1.25" adapter is included with our focusers (and refractors); however, we also offer it as an ac MSRP: Was: Now: $57.00 Add to Cart
Quick view Astro-Physics Adapter to use 2.7" Focuser - 2.7" overall length (A1025-B) This adapter was designed for owners of our 155EDFS StarFire refractor who are looking for more focu MSRP: Was: Now: $109.00 Add to Cart
Quick view Astro-Physics 2"/T-2 Adapter attaches to T-thread (ADAT2) This 2"/T-2 Adapter with brass locking ring is manufactured by Astro-Physics. It is used with the Ba MSRP: Was: Now: $63.00 Add to Cart
Quick view Astro-Physics 4" to 3.5" Adapter with Thumbscrews for 4" Focuser to use 3.5" TCC or FF (ADA435) The ADA435 adapter will allow owners of Astro-Physics refractors with 4” focusers to use the f MSRP: Was: Now: $169.00 Add to Cart
Quick view Astro-Physics Extension with Brass Locking Ring for 4" Focuser (4FOCEXT) This accessory provides 2.2" of extension with an overall length of 3". It is typically used in lieu MSRP: Was: Now: $149.00 Add to Cart
Quick view Astro-Physics 2" Extension Tube with Brass Locking Ring, 1.75" long, 48mm threads (ADA202) This extension slips into a 2" opening and can be used with 2" accessories or the 1.25" adapter. It MSRP: Was: Now: $86.00 Add to Cart
Quick view Astro-Physics 2" Extension Tube with Brass Locking Ring, 3.6" long (EXTTLR) Use this extension when you require additional length. It slips into a 2" opening and can be used wi MSRP: Was: Now: $132.00 Add to Cart