This multi-panel panoramic mirror is manufactured specifically for the Lotus Seven, Caterham, Birkin, Westfield, and other similar Seven type cars with 14mm windscreen frames. Will not fit Series 4 Lotus Seven.
The mirror has been designed to provide an optimal field of view without obstructing forward vision. It's low profile is nearly hidden by the upper portion of the car's windscreen frame.
Mirror does not interfere with erected hood. You can put your top up without removing the mirror.
Entire assembly only weighs 280 grams. The viewing area is 1.13" X 19.75" [28 X 500mm]. It protrudes only 1.39" [35mm] from the inside edge of your windscreen.