Celestron CGEM II 800 EdgeHD Telescopes Support and Manuals
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EdgeHD Optics Manual - Page 4
... the scope.
Loosen the set screw on the star diagonal to the rear cell of the telescope. Installing the Finderscope
The EdgeHD telescopes comes with a 9x50 finderscope. Find the two holes in place. To install an eyepiece:
1.
The focal length of the telescope on the top left, when looking from the finderscope bracket. 2. The specifications for a finderscope stand for...
EdgeHD Optics Manual - Page 6
...from left-to as viewed with a set of a zero power corrector plate, a spherical primary mirror, and a secondary mirror along with the eyepiece directly in the primary mirror. When ...an instrument that collects and focuses light.
If inserting the eyepiece directly into the telescope. The optics of the EdgeHD optical design
Image Orientation
The image orientation changes depending on...
EdgeHD Optics Manual - Page 12
... Guider.
5. Mount your camera.
9. Set the shutter speed to make the needed corrections.
12. Metering
The EdgeHD telescopes have a fixed aperture and, as you would any other forms of a second when hand-holding the lens. Most 35mm SLR cameras offer through the telescope simultaneously. For this purpose, Celestron offers the Micro Guide Eyepiece (#94171) Here is virtually...
EdgeHD Optics Manual - Page 13
... can easily be removed unless installing the optional f/2 lens assembly.
The Fastar compatible telescope's versatility allows it the most...EdgeHD telescope at the Fastar position, the system becomes f/2, this manual). When the secondary is removed and the CCD camera is removed when using the optional CCD camera for CCD imaging, making it to some Celestron telescopes (see Telescope...
EdgeHD Optics Manual - Page 18
...allows each X-Cel Eyepiece to -high power observing. Celestron offers four convenient filter sets, which contain four different filters per set. Barlow Lens -
A Barlow lens is under three inches long and weighs ... into the telescope at the edges! In the 1-1/4" barrel diameter, they also offer an economical way to add versatility to your telescope. Celestron offers two Barlow...
EdgeHD Optics Manual - Page 19
...results since what you to a specific plane, thus increasing contrast between various objects. C8 - #94128, C11 #94238. first, the prism and eyepiece housing rotate independently of the camera orientation making the acquisition of your telescope. Celestron offers a model for 1-1/4" eyepieces (#94123) and a 2" eyepieces.(#94124). Micro Guide Eyepiece (#94171) - A small portion, however, is...
Whitepaper EdgeHD Optics - Page 2
... images for high power observation of the classic SCT called for placing sensors at an Affordable Price
By the Celestron Engineering Team
ABSTRACT:
The Celestron EdgeHD is , in 8-, 9.25-, 11-, and 14-inch apertures. As an aplanatic, flat-field astrograph, the EdgeHD's optics provide tight, round, edge-to be quickly assessed. SETTING GOALS FOR THE EDGEHD TELESCOPE
The story...
Whitepaper EdgeHD Optics - Page 7
.... In Celestron's SCT and EdgeHD telescopes, we measure the focus shift;
As part of the optical redesign, we secure it covers a wide field of view, the optical elements of the telescope. To ... the EdgeHD 925, 1100, and 1400, all EdgeHDs have a removable secondary mirror. In the EdgeHD, small, tight star images are set for one support point for both mirrors that supports the primary...
Whitepaper EdgeHD Optics - Page 8
..., and testing astronomical telescope optics to every one of the components in each set the back focus distance to a generous 5.75 inches from shifting during the long exposures used to make Celestron's corrector plates. FIGURE 6.
The molten tin surface is very nearly flat (its radius of curvature is equally flat.
8 I The Celestron EdgeHD In the aplanatic...
Whitepaper EdgeHD Optics - Page 11
... the artificial star image falls in double-pass autocollimation setup. The telescope is carried to act as an artificial star. No EdgeHD can leave Celestron's facilities, every EdgeHD must pass its corrector plate. With a high-power ocular, a QA Inspector views the artificial star critically.
We test all errors. Rather than use white light so that does not...
Whitepaper EdgeHD Optics - Page 12
... the Final Acceptance Test, the EdgeHD optics must demonstrate the ability to Celestron for service, we maintain a quality-assurance paper trail for high-magnification planetary or lunar viewing, splitting close double stars, or any standard 1¼-inch eyepiece.
The full-frame DSLR format is essentially the same for each telescope to observers. The classic SCT exhibits...
Whitepaper EdgeHD Optics - Page 13
...EdgeHD tube. Celestron offers an 80mm guide telescope package (item #52309) to be able to the light path. Imaging with astronomical CCD cameras, digital SLR cameras, video astronomy sensors, electronic eyepieces, and webcams. We designed the EdgeHD 800 to deliver the best images 5.25 inches... setup consists of the T-mount system, you need to shoot short exposures through the telescope....
Whitepaper EdgeHD Optics - Page 14
... telescope, you can use for imaging. For those who wish to f/32 range for wider fields and shorter exposure times.
With a solid, polar-aligned equatorial mount, guiding seldom necessary. You can reach the desirable f/22 to make images with a quality Barlow lens. Celestron's EdgeHD: The Versatile CImealegsitnrognP'slaEtdfogremHD: The Versatile Imaging Platform
EdgeHD 800
5.25 inches...
Whitepaper EdgeHD Optics - Page 21
...specifically tailored to the EdgeHD 1400, 1100, and 800, respectively. The modern EdgeHD...Celestron EdgeHD 21 The 1400 and 1100 reducers contain five precision optical elements, while the 800...eyepieces. Back in Hα, SII, and OIII narrowband, capturing the faint reflection nebulae often found around Barnard's dark objects, or just cutting your exposure (and guiding... an EdgeHD telescope is...
Whitepaper EdgeHD Optics - Page 23
... here is a single monochrome 10-minute exposure taken with an Apogee U16 camera (KAF-16803 CCD chip) and a Celestron EdgeHD 1400 telescope on a CGE Pro mount. Image by André Paquette
Imagine the thrill of your EdgeHD telescope. Star clouds, delicate dust lanes, subtle HII regions-it's all there, credit to the other, star images...
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