Bresser Extension tube 25mm 2.5 Hexafoc

Extension tubes like this are often useful for achieving focus.

Explore Scientific Rack and Pinion Focuser Extension Tube 1 Extension for our 2 Rack and Pinion focusers on our ED APO telescopes.

Explore Scientific Explore Scientific Rack and Pinion Focuser 2.5 Extension Tube - ESHEXEXT2

BRESSER Messier 8'' Dobsonian telescope

Set of 5 extension tubes with T2 thread on both sides for astrophotography. Additionally with adapter from SC to T2 thread.

BRESSER T2 Extension Tube Set

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BRESSER Extension Tube 25 mm for 2.5 HEXAFOC

Bresser, Accessories

Novoflex BALPRO-Bellows Extension Tube 25mm (PRO25)

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AR102s f5.9 cannot reach focus - Refractors - Cloudy Nights

Bresser Extension tube 25mm 2.5 Hexafoc

Explore Scientific Rack and Pinion Focuser 1.5-inch Extension Tube - E