OCAL electronic collimator

user's manual version 1.3

2021.6.29

OCAL electronic collimator

video tutorial

OCAL electronic collimator pro

user's manual version 1.0

2021.6.29

OCAL electronic collimator pro

Mobile video tutorial

OCAL Back Focus Regulator user's manua

manual

2021.6.29

OCAL Back Focus Regulator user's manua

video tutorial

The optical axis of the Schneider Cassegreen telescope

video tutorial

OCAL electronic collimator

user's manual version 1.3

2021.6.29

OCAL electronic collimator

video tutorial

OCAL electronic collimator pro

user's manual version 1.0

2021.6.29

OCAL electronic collimator pro

Mobile video tutorial

OCAL Back Focus Regulator user's manua

manual

2021.6.29

OCAL Back Focus Regulator user's manua

video tutorial

The optical axis of the Schneider Cassegreen telescope

video tutorial