Thermo- & Hygrometer in brass porthole
Thermo- & Hygrometer in brass porthole, Ø: 18cm
Tootekood: TP 3711-026
Sextant made from fibreglass-reinforced plastic with adequate precision for learning and practise.
Good precision from a micrometer barrel, mirror with 7 shaded glasses. Object lens with triangular magnification.
Equipped with 178 mm scale, 7 large multicolored sun filters, 3x23 mm optics. Comes in a plastic box 255 x 230 x 120mm and extensive manual.
Professional drum sextant split view FREIBERG
CARL ZEISS JENA
Precision instrument developed for the professional marine industry and made from saltwater-proof aluminium.
The rugged, strutted body is cast stress less, high-gloss anodised, and enamelled.
JENA optics 4x40, encapsulated, high-precision metering drum, 7 pivoting shaded glasses made from plane parallel neutral glass.
Comes with a manufacturers certificate in a solid wooden case.The SIRIUS has a certified correction value of 20".
Weight 1.4 kg (with case, 4.5 kg).
The full visibility sextant with half-transparent mirror offers undivided view of star and horizon.