The German C. Plath sextant is regarded as the inchRolls Royce inch of nautical sextants. This is the best sextant that we offer. This Hampton Ironworks premium quality 12 inch radius antique brass sextant is a beautiful full scale reproduction of the venerable C. Plath micrometer drum brass sextant. Each sextant has a unique serial number stamped on the handle. There are six swing-arm filters mounted on thick antique brass filter mounts. The telescope has a large objective lens and produces a very bright and clear erect image. There are a pair of levers that when squeezed, pull the micrometer pinion away from the ground rack, allowing fast large angular movements of the index arm. The sextant is shipped with the mirrors correctly adjusted, and further adjustments can be made using three inset adjustment screws. The limb on the sextant is engraved “Hampton Ironworks inch while on the back of the sextant is a hardwood handle. The sextant comes with a beautiful felt-lined hardw