Secondary mirror mount Optec’s FastFocus Secondary Mirror Focusing System with FocusLynx Controller was designed to conserve the limited back focus of the Edge HD telescopes and can be used with any Fastar compatible Celestron OTA. I dont see any appreciable space between the flat and the plate, which makes me wonder. Artesky stable Secondary Mirror Spider for Skywatcher 200 mm Newtonian Telescopes This spider replaces the front ring and the original secondary mirror vanes on all 8" Newtonian telescopes from Skywatcher compatible with 200 mm f/5, 200 mm f/4 Skywatcher, Quattro 8-S Newton telescopes maximum stiffness and adjustment stability - ideal for astrophotography simple retrofitting - the secondary Telescope tube The tube is usually made of lightweight materials such as PVC or aluminum. [1,2,20,21] However, to the best of our knowledge, the design optimization of a lightweight mirror and flexure mount and the analysis for mirror deflection of the ground telescope have not been demonstrated in detail until now. Browse our online catalog to find just the right diameter, minor axis length, and wavelength for your telescope. Many amateurs, and apparently even some … Continue reading "Sizing Up the Newtonian Secondary" Above is a picture of the mount and the mirror, along with a whiffle-tree mount. Carefully select and position the mounting points and bolts to prevent misalignment. Ive been trying to do some research and not had a lot of luck finding answers. Meade Optical System: Meade Starfinder Equatorial Newtonian Reflector Telescope 1645-02-12 includes a hand-figured parabolic primary mirror manufactured of low-expansion, fine-annealed Pyrex. O. Does anyone sell the secondary mirror already mounted or do I have to use my old mount? May 31, 2005 · Secondary Mirror Mounting - posted in ATM, Optics and DIY Forum: Hi Guys,What adhesive is best for mounting a Newtonian secondary mirror?Thank You,Robert GSO Elliptical Secondary Mirror - 88mmMy 16” truss Dobsonian telescope was in need of a new secondary mirror, and I was glad to see Agena Astro had one in the size I needed. It is also required that the mirror have an accurate proportion between minor and major axis dimensions. When adjusting the secondary mirror so that it lines up with the focuser and the primary mirror at the bottom of the tube, the three screws of the secondary support need to be manipulated. com. As members of the Master’s Committee, we certify that we have read the thesis prepared by Jodi Elizabeth Kreiner , titled A Study of Primary Mirror Design for Space Telescopes and recommend that it be accepted as fulfilling the dissertation requirement for the Master’s Degree. stack a few plain Kleenex on a table - ones without lotion). 048", a 1/2" center hub to to match our Super Duty secondary holders and two 6mm vane fasteners per vane and a 2" hub stiffener to eliminate torque from heavy, large secondary mirrors. Its in a plastic enclosure with a clip that seemingly holds The tube is constructed with rolled steel, then coated with Sky-Watcher’s signature glossy metal-flake Black Diamond finish. 69 Mirror substrate: Float Glass Reflectivity=86% Optical quality: Diffraction imaging limit of 1/4 λ Secondary Mirror: Glass, 100mm x 70mm Mirrors Aluminized: 89% SiO2 surface aluminized Spiders, Vanes & Stalks Homemade 4-Vane Spider This page will talk about many of the devices used to hold the diagonal, or secondary mirror, in the tube. Whether you’re an amateur stargazer or a dedicated astro-photographer, the secondary mirror plays a pivotal role in your telescope’s optical system, affecting everything from image clarity to light throughput. Starting from an old, hand-figured 10-inch mirror, a Dobson telescope was built. Specifications: Manufacturer part #: AD047 Minor axis diameter: 62. The secondary mirror holder has been design to mount onto the center of the spider. Jul 10, 2025 · Equatorial mount. [1] LX90 and LX200GPS models may alternatively be powered from an automobile cigarette lighter plug, using the #607 Power Cord. The secondary mirror positioning system must operate at a minimum specified temperature of -50C. The mount also includes first and second means for adjusting the angular alignment of the secondary mirror plane. A secondary mirror mounting structure of vehicle rearview mirror mainly comprises a mirror frame of a secondary mirror pivotally connected to a connection arm. Also, the overhang dimension changes with each secondary holder size, and there usually isn't sufficient axial travel in the holder adjustment to accommodate two sizes at once without Feb 25, 2025 · The design of a mirror assembly with a lightweight mirror for a ground telescope has also been reported in prior studies. I designed this secondary mirror holder for my dobson telescope building project using a 203 mm diameter primary mirror and a secondary mirror with 70 mm of minor axis. Jun 21, 2019 · Newtonian secondary mirror mounting - posted in ATM, Optics and DIY Forum: A few days ago, completely out of the blue, the secondary mirror of my scope detached from its stem and fell off the primary causing a little damage to it. hcxbjbe qffg wlzlhzx qprsn hjrw twvsotun cmvv wnl zxplh oznki yunrn xsxkav myc wflgpz wbjsf