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 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 2" Nosepiece Extension with 48mm Threads (EXT48-12.7) This ½" extension is a robust version of T-thread extension tubes. It uses 48 mm threads at b MSRP: Was: Now: $55.00 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 2.7" Spacer Rings , Set of 3 Rings (SRSET-27) In most imaging setups it will not be necessary to modify the spacing distance. However, there MSRP: Was: Now: $29.00 Add to Cart
Quick view Astro-Physics 3.27" Spacer Rings , Set of 3 Rings (SRSET-327) In most imaging setups, it will not be necessary to modify the spacing distance. However, ther MSRP: Was: Now: $29.00 Add to Cart
Quick view Astro-Physics Allows 2.7" Accessories to be Attached to the 3.27" Threads of CCD Flatteners & Telecompressor Correctors (ADA327-27) We have added several adapters to assist imagers obtain back spacing distances for their camera syst MSRP: Was: Now: $75.00 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