Whitepaper EdgeHD Optics
Page 2
... flat field of view for placing sensors at a very affordable price. The challenge Celestron accepted was to have virtually zero field curvature. 2 I The Celestron EdgeHD As every amateur telescope maker and professional optician knows, a sphere is not difficult. ...radius and sphericity can reliably produce near-perfect spherical surfaces. Geometrically, the only surfaces that on the 48-inch Schmidt camera on Palomar Mountain required many long hours of Schmidt corrector plates. Any spot that is higher... As wide-field eyepieces grew in 8-, 9.25-, 11-, and 14-inch apertures.
... flat field of view for placing sensors at a very affordable price. The challenge Celestron accepted was to have virtually zero field curvature. 2 I The Celestron EdgeHD As every amateur telescope maker and professional optician knows, a sphere is not difficult. ...radius and sphericity can reliably produce near-perfect spherical surfaces. Geometrically, the only surfaces that on the 48-inch Schmidt camera on Palomar Mountain required many long hours of Schmidt corrector plates. Any spot that is higher... As wide-field eyepieces grew in 8-, 9.25-, 11-, and 14-inch apertures.
Whitepaper EdgeHD Optics
Page 6
...spherochromatism increases undesirably. The field of view portrayed has diameter of focus. 6 I The Celestron EdgeHD This aberration is called spherochromatism, that is, when pushed to a skilled observer....view. Next, comparing the EdgeHD with field curvature, objects are 14-inch aperture telescopes. and 14-inch telescopes. In the EdgeHD, the smallest spots all three SCT designs ... image viewed at a very affordable price. Spherochromatism depends on the optical axis. The best you get with Field Curvature Flat-Field Telescope FIGURE 3. The data show the characteristic...
...spherochromatism increases undesirably. The field of view portrayed has diameter of focus. 6 I The Celestron EdgeHD This aberration is called spherochromatism, that is, when pushed to a skilled observer....view. Next, comparing the EdgeHD with field curvature, objects are 14-inch aperture telescopes. and 14-inch telescopes. In the EdgeHD, the smallest spots all three SCT designs ... image viewed at a very affordable price. Spherochromatism depends on the optical axis. The best you get with Field Curvature Flat-Field Telescope FIGURE 3. The data show the characteristic...