THE MTF LENS TESTER
R. G. Lewis have been established in Holborn for more than a hundred years. Supplying high quality photographic equipment and accessories to the professional and amateur photographer.
Here are some pictures of our late lamented lens testing machine.
The MTF Lens Tester
The MTF installation sitting on its polished granite bed weighing in at over a ton.
The MTF was located in the basement of R. G. Lewis's premises in High Holborn.
Many optical lenses were tested for customers, photo magazines and even the manufacturers.
Delivery
The Granite Bed for the MFT arrives on a flat bed truck.
A granite block was needed to create a vibration free base for the MTF installation.
On the pavement bedside the lorry is the mounting cradle for the base of the MTF.
Installation
The cradle for the MTF
Lowering more than a ton of highly polished granite took a lot of hard work.
Installation of the MTF would make R. G. Lewis the only retailer in the world to offer lens testing by this method.
Carefully the base is lowered into the basement using a block and tackle and a lot of skill.
The MTF in Action
The Lens tester being set up for a lens test.
A lens test report envelope
