Bresser Extension tube 25mm 2.5 Hexafoc

Extension tubes like this are often useful for achieving focus.

Bresser Messier 10 Dobson

Bresser - Messier 8 Dobson

Baader, Bresser Telescope accessories < Astronomy

BRESSER Messier 203/1200 Hexafoc Optical Tube - Has anyone any experience of this OTA? - Discussions - Scopes / Whole setups - Stargazers Lounge

, This adapter features M117x1 male threads on one side and M117x1 female threads on the other side, and provides 25mm of additional spacing. You

GSO 25mm Extension Tube for 10 and 12 RC Telescopes with M117x1 Thread # FF178

Bresser or GSO? - Getting Started Equipment Help and Advice - Stargazers Lounge

Bresser Extension tube 25mm 2.5 Hexafoc

BRESSER 8'' Messier Dobsonian telescope with parabolic primary mirror and 2.5'' HEX focuser

Explore Scientific 1.5-Inch Extension Tube for the 2.5 Hex Focuser

APM Telescopes. EXPLORE SCIENTIFIC ED APO 127MM F/7,5 FCD-100 ALU HEX

Compatible with 1.25 telescope focusers;and accepts 1.25 eyepieces or accessories; the end of the adapter is threaded for use with standard

SVBONY SV157 Telescope Extension Tube 1.25 Inch Telescope Eyepiece Extension Tube Adapter Optical Length 34mm Accept Standard 1.25inch Filters (56mm)

Bresser, BRESSER Extension Tube 25 mm for 2.5 HEXAFOC