Searching for Telescope Mirror Edge Support information? Find all needed info by using official links provided below.
http://www.cruxis.com/scope/mirroredgecalculator.htm
In all cases a very stiff edge support is required to prevent the mirror from sliding down on the support pads when the telescope goes from zenith to horizon. If the mirror slides, the friction between mirror back and support pads could create astigmatism.
http://www.loptics.com/articles/mirrorsupport/mirrorsupport.html
The edge support roller rotates slightly as the telescope moves up and down, and does not allow the edge support to pull on the mirror. If the edge support is positioned properly, the only force applied is into the mirror, towards its center, along the plane of the center of gravity of the mirror.
http://telescopelemay.com/language/en/primary-mirror-support/
The primary mirror support is a mix of simple and clever. Due to the tracking equatorial platform design that the telescope is mounted on, the hemisphere surface acts not only as the tube bottom but is also an integral part of the pointing and tracking surface.
https://www.cloudynights.com/topic/528638-mirror-cell-for-16-inch-equatorial-newton/
Dec 16, 2015 · Mirror cell for 16 inch equatorial newton. ... according to Texereau in "How to Make a Telescope", the ratio should be 6/1 for an 8" mirror. ... and are the most state-of-the-art mirror edge support for dobsonian mounted instruments in existence …
http://www.ing.iac.es/PR/wht_info/whtsupport.html
Jul 23, 2015 · William Herschel Telescope The Primary Mirror Support Systems The optical performance of a telescope depends on controlling the deformation of the mirror surface when the mirror is contained in a mirror cell. In fact, a large mirror would bend by hundreds or thousands of times the optical tolerance if not mounted properly.
http://www.webstertelescopes.com/mirror_cell.htm
EDGE SUPPORT : When a the telescope is viewing anywhere but at zenith, the mirror needs edge support (unless you go with our GLUE DOWN option). Our edge support system uses a thick stainless steel aircraft cable consisting of 49 individual strands.
http://www.jpastrocraft.com/cells.htm
The JP Astrocraft mirror cell has been uniquely designed to provide optimum support and consistent alignment of your precision optic. The best materials are used, and the cell structure is built with strength and ultimate rigidity in mind, with the goal of zero collimation shift.
https://www.celestron.com/pages/edgehd-optics
Mirror support Flexible tension clutches hold the primary mirror in place and reduce image shift. The flexible rods hold the mirror in place without putting any force or pressure on the mirror assembly, keeping your target centered in the eyepiece or chip.
http://www.loptics.com/articles/starshape/starshape.html
Often mirror cells have only three edge supports, and if the mirror is heavy enough, it can effectively become wedged between the two bottom supports when the telescope is pointed low, and this squeezes the mirror.
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-33-7-1198
Simply by push-pull shear action at their outer edge, large circular telescope mirrors can be laterally supported free from bending distortion, if the upright mirror is kept in balance by a cosine distribution of weak axial forces applied at its outer rim and possibly also at the central hole.
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