SKYWATCHER FLATTENER & REDUCER FOR 120ED refractor Precession changes the direction of

Precession changes the direction of the Earth’s rotation axis

With a 2 x Barlow lens and a planetary camera you will get the right pixel scale for imaging planets and the craters of the moon

The 235mm PLUS support rings are designed for optical tubes with a diameter of Ø235mm

Finderscope 9 x 50

The keypad is built to maintain the maximum readability in all lighting conditions

SKYWATCHER FLATTENER & REDUCER FOR 120ED refractor Precession changes the direction ofThe SkyWatcher field flattener and reducer for the Evostar 120ED transform your telescope into a professional astrographer. Refractors are affected by field curvature no matter what brand or diameter. This is not an issue for visual observations as eyepieces can partially compensate this aberration. On the contrary, when a refractor is used for astrophotography, a curved field will limit the corrected image circle and the stars on the border of the