Extension Tubes

The new aluminium Baader T2 adjustment rings are the perfect solution to achieving that ideal spacing when using field flatteners or focal reducers.

The new aluminium Baader M48 adjustment rings are the perfect solution to achieving that ideal spacing when using field flatteners or focal reducers.

High quality M48 threaded extension tubes in various lengths. Please select the required size from the drop down box above.

Altogether 15 pc - in 5 sizes, three rings per size (thickness 0.6/0.8/1.0/1.2/1.4mm)
Well suited to tune the rotary position of all kinds of T-2 accessories in approx 90° increments, to move locking screws of eyepiece holders into a comfortable position.

There is often a problem with off-axis systems or folding mirror attachments, where the receptacles of normal eyepieces is just 1-2cm too short to be able to adjust the sharpness level properly.

With the addition of Baader's new Finetuning Rings, each Hyperion eyepiece can now function as four eyepieces! Available in 14mm and 28mm lengths. The finetuning rings are 2" OD and threaded M48 (filter thread) on each end, so they can be installed in-between the Hyperion's removable front negative element and main body.

Extends the SP54 threads 11mm on the Baader Hyperion EP

Attaches onto the SP54 threads on the Baader Hyperion eyepieces, to allow cameras to be attached.

High quality T2 extensions tubes available in various sizes from 3mm to 40mm. Particularly used to achieve focus with SLR and CCD cameras.

Brand new 1.25" extension tube by RVO. Provides just 1" pushback, ideal for getting that precise focus. High quality build, complete with compression ring and filter thread.

Nicely made extension tubes suitable for use with a wide variety of T-threaded equipment. Available in 7.5mm, 15mm & 40mm lenghts.

As spacers they are useful for increasing image scale and magnification.

Farpoint Eyepiece Extension Tube 1.5" long. This handy extension pushes into a 1.25″ telescope eyepiece or focus tube to add a 1.5″ long extension.

Brand new 2" extension tube by RVO. Provides just approx 2" pushback, ideal for getting that precise focus. High quality build with filter thread.

Allows mounting of Baader 2" filters
Needs Hyperion DT-rings #2958028 - 2458062 and additional Stepper Rings M67 up to M82
All Baader 2" filters in version M48 thread can be customised with specific extension tubes on almost all DSRL lenses.

Farpoint Eyepiece Extension Tube 2.25" long. This handy extension pushes into a 1.25″ telescope eyepiece or focus tube to add a 2.25" long extension.

High quality well made 1.25" extension tube. This handy adaptor allows you to push back your optical train in order to achieve focus. The adaptor is provides an extra 2" of extra focus travel.

Farpoint Eyepiece Extension Tube 3" long. This handy extension pushes into a 1.25″ telescope eyepiece or focus tube to add a 3" long extension.