ASKAR 71F f/6.9 APO REFRACTOR OPTIONS:OTA ONLY The unique experience and creativity

The unique experience and creativity of Massimo Riccardi

1x 4mm Flexible coupling

WARNING: This filter alone cannot be used for direct solar observation

The package includes both a 6kg and 12kg counterweight to allow precise balancing of most imaging systems

Our technical department can suggest the correct number of counterweights based on your optical payload

ASKAR 71F f/6.9 APO REFRACTOR OPTIONS:OTA ONLY The unique experience and creativityThe Askar 71F is an apochromatic quadruplet flat field astrograph that offers high performance for an exceptionally low price. The quadruplet design makes it perfect for both visual observation and astrophotography. The objective lens features an element of extra low dispersion glass (ED) that minimizes chromatic aberration. The Askar 71F is a versatile instrument and excels not just at imaging, but as a grab & go visual telescope. Using an erecting