With 90 degree erecting prism transform your telescope into telescope for nature observation with upright and left right corrected image; great diagonal for daytime terrestrial use and night time astronomy applications for telescope or spotting scope
Made of genuine optically processed BK7 glass; premium optical prism inside rather than mirror which makes image clear and sharp; amici prism looks as beautiful as binoculars; but you can zoom in much higher with your eyepieces;
50 Degree Field of View: 1.25 inch 6 mm plossl eyepiece set offers a wider 50 degree field of view and a 6 mm focal length for observing larger objects; giving the wider view field along with extra sharpness and long eye relief
Wide 66-deg apparent field offers expansive views of the moon; star clusters; and the Milky Way; generous 15mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view
6-element design deliver sharp image with good color correction and contrast; offers a wide field of view and superior performance; aluminum 1.25 inch eyepiece barrel is internally blackened to eliminate light scattering; thread to accept 1.25 inch filter