Bob's Knobs

Collimation Thumbscrews

BOB’S KNOBS FOR NEWTONIAN TELESCOPES

Apertura

Dobsonian 8" - 16"

AstroSystems

2.0 and 2.14 secondary

Astro-Tech

AT-IN and AT-D series

Celestron

C6-N, C8-N, C10-N
PowerSeeker 127
Starhopper 6, 8, 10
Starhopper 12
StarSense

FPI

Protostar

GSO

6” - 16" Enclosed Tube
10" & 12" Truss Tube

Hardin Optical

Deep Space Hunter primary
Deep Space Hunter secondary

Intes Micro

MN series

Mag1

Portaball

Meade

Lightbridge Mini
Lightbridge
Polaris 130
Starfinder 10”
Schmidt-Newt

Orion (US)

Astrograph
AstroView
SkyQuest XT series
SkyQuest XX series
Skyview
StarBlast

Orion Optics (UK)

OD and CT series
GX250/Europa250

SkyWatcher

5" to 16" Dobsonian
MN190 Mak-Newt

Soligor

MT-750

Starmaster

11", 12.5", and 14.5" Dobsonian

Vixen

R130S/R150S
R200SS

Zhumell

Z8
Z10
Z12

Other Newtonian

Primary
Secondary

Newt