Sky watcher skyhawk 1145p 114mm 45 f500 parabolic newtonian reflector telescope the skyhawk 1145p models feature premium quality parabolic primary mirrors normally found in larger more expensive telescopes to eliminate spherical aberrations producing even sharper higher contrast images which are full of detail a parabolic or more accurately a paraboloidal mirror is ground to a shape which brings all incoming light rays to a perfect focus on axis in addition they feature 05mm ult