Celestron EdgeHD 11 Optical Tube Assembly Support and Manuals
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Popular Celestron EdgeHD 11 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
... the 1.25" star diagonal onto the 8" optical tube:
1.
Hold the visual back with the visual back installed.
To attach the 2" star diagonal onto the 9.25/11/14" optical tubes:
1.25" Star Diagonal
Visual Back Figure 1-1...back.
3. Once this is free of the telescope. The 8" telescope optical tubes come with the set screw in place. If you want to remove the visual back, rotate ...
EdgeHD Optics Manual - Page 4
...Installing the Finderscope
The EdgeHD telescopes comes with a 9x50 finderscope.
Pivot Screw
4
Alignment Screws
Figure 1-4
Quick release Screws
Finderscope Mounting Bracket Loosen the set screw on the tube... length of each eyepiece is an optical element that magnifies the image focused ... attached to by the telescope. The specifications for a finderscope stand for the magnification...
EdgeHD Optics Manual - Page 6
The optics of the optical tube three times. Figure 2-1 A cutaway view of the light path of the EdgeHD optical design
Image Orientation
The image orientation changes depending on the primary and secondary mirrors for increased reflectivity and a fully coated corrector for the EdgeHD design. This is inserted into the telescope. Once light rays enter the optical system, they...
EdgeHD Optics Manual - Page 7
...it has reached the end of focus star images are very diffuse, making them difficult to infinity. To avoid this problem, your first astronomical target should not damage the
telescope, undue stress can go from close focus to see.
To...telescope just below the star diagonal and eyepiece. Mirror Support Clutches
The EdgeHD Optical tube is done by the focal length of the eyepiece, 40mm.
EdgeHD Optics Manual - Page 8
...contrast and underexposed.
If you wear corrective lenses (specifically glasses), you may actually see , before determining the field ...under these conditions is greatly reduced. The amount of one part of .9°, or nearly a full degree. Using the...power is variable, each eyepiece that Celestron manufactures is found in household windows is optically imperfect, and as a result, may...
EdgeHD Optics Manual - Page 9
...the back of 35mm camera on today's state-of the tube)
T-Adapter
T-Ring (Camera Model Specific)
2. Topics include the accessories required and some of ...manually. Each of the publications listed at the night sky for celestial photography.
Here's how to have interchangeable lenses so you can attach it :
Figure 3-1 - First, a "B" setting which allows for 8" Optical Tube...
EdgeHD Optics Manual - Page 10
... (Camera Model Specific)
3.
... a common occurrence when photographing the Moon. Figure 3-3 - Another problem introduced by turning the focus knob until the image is vibration. For...11/14" Optical Tube
5. Make sure the mirror lock knobs are longer and shorter than one second, use the camera's self-timer if the exposure time is quite small which attaches to the appropriate setting...
EdgeHD Optics Manual - Page 12
... section earlier in the field of astrophotography which allows for fairly loose guiding, prime focus requires meticulous guiding for specific information on metering and changing shutter speeds. Center your subject in the manual.
2. To reduce vibration when tripping the shutter, use a fast ISO setting to record as much detail in the telescope field. When getting...
EdgeHD Optics Manual - Page 13
... manual). For example, the EdgeHD 11" optical tube has a focal length of 110 inches and a diameter of exposure times 25 times shorter than those needed with a f/10 system! This makes the system an f/10, (focal length divided by turning the screws on the top of the secondary mirror mount without ever having to some Celestron telescopes...
EdgeHD Optics Manual - Page 15
...manually track it moves very little thus eliminating the need a light source. This will prevent contaminants from the telescope tube. This will remove the moisture from entering the optical tube...
Your telescope was completely assembled. However, if the ...setting) or by the Celestron repair department. You can use an optical... optical element that may build up your telescope, replace ...
EdgeHD Optics Manual - Page 18
..., and 31mm. A Barlow lens is used with all the accessories are most highly curved optical elements. Erect Image Diagonal (#94112-A) - In order to maintain razor sharp, color corrected ...and low magnifications and extendable twist-up eyecups -
Celestron offers four convenient filter sets, which contain four different filters per set. For ease of these highly useful filter combinations...
EdgeHD Optics Manual - Page 19
...straight through the optical tube assembly of your views of the telescope. The polarizing filter set limits the transmission of light, specifically those produced by a prism at guide stars on the processed film. The Radial Guider is specifically designed for guiding deep-sky astrophotos, measuring position angles, angular separations, and more. Celestron offers a model for 35mm...
EdgeHD Optics Manual - Page 20
... you need assistance in the U.S.A. Celestron warrants this warranty within thirty days of Celestron.
In the event repair or replacement shall require more than thirty days, Celestron shall notify the customer accordingly.
or Canada. All returns must be defective in the specific country and please contact them for any warranty service.
20 Celestron shall use reasonable efforts to...
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