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Description: | Sighting Telescope No 3 MK II Power 10 No 61
The telescope has a magnification of 10 diam. and a field of view of 3 deg 30 min.
It is used with automatic and rocking bar sights of most coastal defence guns.
The Collimator is an instrument for testing and correcting the cross wires or pointers of telescopes used with rocking-bar sights.
Sighting telescope & Collimator | Publisher: | http://www.iwm.org.uk | Source: | Imperial War Museum | Creator: | W. Ottway & Co. Ltd. Ealing | Identifier: | http://www.iwm.org.uk/collections/item/o... | Go to resource |
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