Fixed-focus telescope objective TYPE FG MD & FG MDD

Testing telescopes with straight viewing are also available with mechanical double micrometer (FG MD) and with digital double micrometer (FG MDD). Small-size Apertures with MD Mid-size Apertures with MD Large-size Apertures with MD Small-size Apertures with MDD Mid-size Apertures with MDD Large-size Apertures with MDD