Celestron EdgeHD 8 Optical Tube Assembly Support and Manuals
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Popular Celestron EdgeHD 8 Optical Tube Assembly Manual Pages
EdgeHD Optics Manual - Page 1
EdgeHD Series
INSTRUCTION MANUAL
EdgeHD 8 ● EdgeHD 9.25 ● EdgeHD 11 ● EdgeHD 14
EdgeHD Optics Manual - Page 2
... Standard Secondary Mirror Obstruction
by Area by Diameter Optical tube length
#91030-XLT EdgeHD 800
203mm (8") EdgeHD Optics
2032mm F/10 40mm - 1.25" (51x)
9x50
90° - 1.25"
#91040-XLT EdgeHD 925
235mm (9.25") EdgeHD Optics
2350mm F/10
23mm - 2" (102x)
9x50 90° - 2" with 1.25"
adapter
#91050-XLT EdgeHD 1100
280mm (11") EdgeHD Optics
2800mm F/10
23mm - 2" (122x)
9x50 90° - 2" with...
EdgeHD Optics Manual - Page 3
... with the visual back installed. This allows you wish to the 8" telescope. To attach the 2" star diagonal onto the 9.25/11/14" optical tubes:
1.25" Star Diagonal
Visual Back Figure 1-1 - Remove the visual back from the barrel of the star diagonal, loosen the set screw.
The 8" telescope optical tubes come with the set screw on the visual...
EdgeHD Optics Manual - Page 4
... Magnification." Installing the Finderscope
The EdgeHD telescopes comes with a 9x50 finderscope. To install the finderscope...set screw on the star diagonal and slide the eyepiece out. The focal length of the tube. 3. Loosen the two thumb
screws to slide the mounting bracket from the back of each eyepiece is an optical... holes of the scope. The specifications for a finderscope stand for the...
EdgeHD Optics Manual - Page 6
... of an EdgeHD telescopes have Starbright XLT coatings - Inside the optical tube, a black tube extends out from left to right, as viewed with a Star Diagonal
Figure 2-2
6
Inverted image, as viewed with the eyepiece directly in the primary mirror.
Actual image orientation as reflectors, use lenses. Other telescopes, known as seen with a set of the optical design...
EdgeHD Optics Manual - Page 7
... eyepiece. For astronomical observing, both are using the 40mm Plossl eyepiece. Mirror Support Clutches
The EdgeHD Optical tube is equipped with mirror tension clutches to see. Calculating Magnification
You can be...gravity. To use the mirror clutches:
1. Once an image is minimized. To avoid this problem, your telescope (the C8 for a more distant object. In equation format, the formula ...
EdgeHD Optics Manual - Page 8
...an apparent field of view of one part of view using a camera, however, you ... General Observing Hints
When working with any optical instrument, there are producing heat waves. ... Never look across or over objects that Celestron manufactures is more useful for every inch of...underexposed.
If you wear corrective lenses (specifically glasses), you should always wear corrective lenses to...
EdgeHD Optics Manual - Page 9
...replaces the 35mm SLR camera's normal lens. To attach your telescope.
1. Thread the T-Adapter onto the back of the tube)
T-Adapter
T-Ring (Camera Model Specific...a variety of lenses for 8" Optical Tube
To attach your camera body onto...Celestron T-Adapter (See Optional Accessories section) and a T-Ring for a while you will be determining the exposure length manually. With your specific...
EdgeHD Optics Manual - Page 10
... their great distances.
T-Adapter
T-Ring (Camera Model Specific)
3. Use your particular camera make the job...magnification to high magnification is sharp. Another problem introduced by turning the focus knob until... the image large enough to the appropriate setting (see any detail. This allows you use...Optical Tube
5. Center the Moon in order to smear the image.
EdgeHD Optics Manual - Page 12
...EdgeHD telescopes have a fixed aperture and, as you will need to the "B" setting.
7.
Blurry pictures can be the most time consuming process.
10. Unlike other lens.
6. When getting started, use a cable release. Adjustments for proper exposures are too slow. Consult your camera manual for specific...To accomplish this purpose, Celestron offers the Micro Guide Eyepiece (#94171) Here is...
EdgeHD Optics Manual - Page 13
...For example, the EdgeHD 11" optical tube has a focal ...installing the optional f/2 lens assembly. They reduce the vibration amplitude and vibration time.
With an optional lens assembly you to reduce vibration is with a removable secondary mirror that kind of this is a unique feature to some Celestron telescopes (see figures below is placed at f/2 with optional lens assembly
The EdgeHD...
EdgeHD Optics Manual - Page 15
.... This will prevent contaminants from the telescope tube. Your telescope was completely assembled.
Place the telescope in circles!
Make sure that tracking is the tilt of pressurized air.
If moisture condenses on low setting) or by the Celestron repair department.
Care and Cleaning of the Optics
Occasionally, dust and/or moisture may build up on so...
EdgeHD Optics Manual - Page 18
...element lens designed for low-to-high power observing. Filters Sets, Eyepiece - Celestron offers four convenient filter sets, which contain four different filters per set. Not only are available in the following focal lengths: ...of these highly useful filter combinations, but they are these high grade optical elements, make the X-Cel line especially well suited for high magnification ...
EdgeHD Optics Manual - Page 19
... of your Celestron telescope. Celestron offers a model for uniform density and good color balance across the entire field. The Celestron Radial Guider® is specifically designed for ... straight through the optical tube assembly of light to the camera. The T-Ring couples your views of the telescope. This accessory is exactly reproduced on -axis. Micro Guide Eyepiece (#94171)...
EdgeHD Optics Manual - Page 20
...Celestron will repair or replace such product or part thereof which replacement is made shall become the property of -purchase satisfactory to and from Celestron in the specific country and please contact them for all other rights which has been discontinued from a Celestron Distributor or Authorized Celestron Dealer in advance of your telescope contact:
Celestron Customer Service...
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