A smaller instrument specifically designed for the Yachtman where space , weight, and size are at a premium. Feartures include: Comfortable lightweight aluminium frame, which is well balenced. Large horizon and index mirrors which are tested for optical flatness and parallelism.

The front focusing telescope 2.4x25 is fitted with a protective rubber eyepeice for comfort. The correct amount of brightness through the sextants optical light paths is cnotrolled by means of swing in graded filters 3 for the index and 2 for the horizon mirrors.