Orion 7338 user manual

Summary of the content on the page No. 1

instruction Manual
®
Orion Deluxe 100mm f/6
Refractor
#7338
Dust cap
Dovetail base
for finder
Finder scope
lock knob
Focuser rotation
lockscrew
2" accessory
thumbscrew
Dew shield
(retracted)
1/4"-20 Mounting block
1.25" accessory
Focus knob
thumbscrew
Figure 1: The Deluxe 100mm f/6 refractor optical tube.
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Summary of the content on the page No. 2

sion tube and secure it with the thumbscrew. Then insert the Congratulations on your purchase of an Orion eyepiece into the diagonal or extension tube and secure it Deluxe 100mm f/6 optical tube. Your telescope has with the thumbscrew(s). been designed with high quality precision optics and excellent mechanical construction. The linear Use of 2" Eyepieces and Diagonals bearing dual-speed (10:1) Crayford focuser will A feature of the Deluxe 100mm f/6 is its ability to also use 2" make get

Summary of the content on the page No. 3

to the camera body and thread the 2" prime focus camera adapter into the T-ring. Insert the barrel of the camera adapter Linear Focus tension into the 2" eyepiece holder on the focuser. Use the camera’s bearing thumbscrew viewfinder to frame the picture. Use the telescope’s focuser to focus the image. Tighten the focus tension thumbscrew to make sure the camera does not slip out of focus. Most CCD cameras will have a 1.25" or 2" barrel ready to attach directly to your telescope like an ey

Summary of the content on the page No. 4

divide the focal length of the telescope by the focal length of the lens! Clean only a small area at a time, using a fresh lens the eyepiece: tissue on each area. Never reuse tissues. Telescope Focal Length (mm) Specifications = Magnification Eyepiece Focal Length (mm) Objective lens: Achromatic doublet, air-spaced For example, the 100mm, which has a focal length of 600mm, Objective lens diameter: 100mm used in combination with a 25mm eyepiece, yields a power of: Objective lens coatings: All a