![]() Our design produces a flat, coma-free, and astigmatic-free field of view. The CDK design far exceeds the off-axis performance of most commercial telescope designs including the Ritchey-Chrétien design. The CDK telescope design provides excellent imaging with large-format CCD cameras while remaining superb for visual use. The CDK (Corrected Dall-Kirkham) Optical Design is an innovative solution for unsurpassed astroimaging quality at an affordable price. The direct drive motors can move the telescope at incredible speeds for tracking satellites or just to minimize target acquisition time. ![]() With high-resolution encoders providing the feedback for the direct drive motors, not only will the telescope track without periodic error or have any backlash at all, but the mount will be able to counter against wind gusts. Checkout the tertiary mirror video here.ĭirect Drive motors mean that there are no gears to cause backlash and periodic error. The rotator can move from one port to the other in under 10 seconds. The CDK700 includes an integrated rotator for the tertiary mirror, with magnetic locks to position the mirror precisely for either Nasmyth focus position. The rotating tertiary mirror allows you to switch from one Nasmyth port to the other in just seconds, allowing observers to easily transition between imaging and visual use. Eyepieces remain at a constant wheelchair-accessible height, greatly simplifying access to the telescope for public observatories. The Nasmyth Focus is along the altitude axis so there are virtually no balancing issue as you change out equipment. Besides, it is the way the professionals do it! Benefits of Nasmyth Focus Alt/Az is more intuitive to use and no polar alignment is needed. You can image from horizon to horizon continuously if desired. Unlike German Equatorial mounts, there are no meridian flips to deal with. The mass it takes to make a rigid alt/az mount is substantially less, leading to cost savings. An alt/az telescope is also considerably more compact than its equatorial counterpart, allowing a larger telescope to fit in a smaller enclosure.
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