Quick view Baader Planetarium T-2 Extention Tubes The Baader T-2 Extension Tubes are available in three lengths: 40 mm (BP25B), 15 mm (BP25A) and 7.5 MSRP: Was: Now: $27.00 Options
Quick view Astro-Physics 4" to 3.5" Adapter with Thumbscrews for 4" Focuser to use QUADTCC (ADA435) Use the 0.72x QuadTCC or 3.5" Field Flattener with your 4” Focuser! This adapter will allow o MSRP: Was: Now: $169.00
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
Quick view Astro-Physics 17.0mm Backfocus Spacer - part of QUADTCC-TEC160 (A5022) May 31, 2021 - Part # changed to EXT327-17.0 to more clearly describe its function. T