Stelvision STELESCOPE 70 Assembly And Operating Instructions Manual

70 mm altazimuth refractor telescope

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STELESCOPE 70

70 mm Altazimuth Refractor Telescope

ASSEMBLY AND OPERATING INSTRUCTIONS

Version 2

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Page 1 STELESCOPE 70 STELESCOPE 70 70 mm Altazimuth Refractor Telescope ASSEMBLY AND OPERATING INSTRUCTIONS Version 2...
Page 2: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS Presentation of the STELESCOPE 70 Pointing the Telescope at a Celestial Object in Images Focusing on a Celestial Object Choice of Magnification Assembling the Telescope End of Observation Tripod Set Up Optical Tube Assembly...
Page 3 Congratulations on your purchase of this STELESCOPE 70 telescope! Stelvision's STELESCOPE range has been designed to make quality sky observations as simple as possible. This manual will give you the explanations you need to simply and easily learn about your telescope and make your first observations.
Page 4: Presentation Of The Stelescope
IN IMAGES Presentation of Presentation of the STELESCOPE 70 the STELESCOPE 70 Optical Tube Altazimuth Mount Tripod...
Page 5 WHAT’S IN THE BOX Tripod with adjustable legs and azimuth mount Accessory tray Height adjustment clamp Optical Tube Eyepiece holder cap Optical tube dust cap Red dot finder Amici prism star diagonal Kellner eyepiece 9 mm Kellner eyepiece 20 mm...
Page 6: Assembling The Telescope
CHAPTER 1 Assembling the Assembling the Telescope Telescope The letters refer to the indications in the images on the left of each page. The capital letters also refer to the description of the items on page 5. TRIPOD SET UP 1.
Page 7 . Tighten the clamp screws Dust Caps 9. Dust caps must always be in place when STELESCOPE 70 is not in use in order to limit dust deposits on the optics as much as possible. There are two caps: the eyepiece holder cap...
Page 8 CHAPTER 2 Initial Settings and Initial Settings and Things to Know Things to Know star diagonal and eyepiece holder red dot finder altitude axis azimuth axis panning handle azimuth tension knob...
Page 9: Motion
Before you use your STELVISION 70 for the first time, carry out the following adjustments in day light for the best results. You will be able to do this at night just before observations once you have a better understanding of your telescope.
Page 10: Understanding Image Orientation
UNDERSTANDING IMAGE ORIENTATION 11. The STELESCOPE 70 telescope is a refractor, which means that it made up of lenses. Light passes through these lenses and then through the eyepiece, which is also composed of lenses. You can insert an eyepiece directly behind the optical tube.
Page 11: Understanding The Field And Magnification
The resulting number is the magnification factor. M = F/f The STELESCOPE 70 comes with two Kellner eyepieces of 20 mm and 9 mm focal length. The focal length of the optical tube is 900 mm, which allow eyepiece magnifications of: •...
Page 12: Preparing And Beginning Observation
The STELESCOPE 70 optical tube must be cooled down to the same temperature as outside to guarantee the best image quality. It is therefore recommended that you take out your telescope about ½...
Page 13: Pointing The Telescope At A Celestial Object
Which eyepiece is used for pointing at objects? To locate a target more easily, it is recommended to always use the lowest available magnification. For the STELESCOPE 70, use the 20 mm Kellner eyepiece. When the object is located and centered on at low magnification, the eyepiece can then be changed to magnify the image if necessary.
Page 14: Focusing On A Celestial Object
15. The choice of magnification depends on the type of object being observed and the technical specifications of the telescope. The STELESCOPE 70 comes with two eyepieces with focal lengths of 20 and 9 mm, which deliver magnifications of 45 and 100 times (see also p.11 for magnification calculations).
Page 15: End Of Observation
END OF OBSERVATION In order to keep your STELESCOPE 70 in good working order, here are a few tips to follow at the end of each observation: • turn off the red dot finder; • remove the eyepiece from the eyepiece holder;...
Page 16: What Can Be Observed
CHAPTER 4 What can Be What can Be Observed? Observed? The Moon 16. Observing the Moon is simple and always spectacular! This satellite is easy to locate and accessible all year round. The Moon is essentially observed along its terminator, which is the division between the daylight side and the dark night side of the planetary body.
Page 17 Universe! The Double Cluster of Perseus Thanks to its aperture, STELESCOPE 70 gives you a chance to see the most beautiful and brilliant objects in the deep sky. The...
Page 18: Maintenance And Adjustments
Adjustments STORAGE AND ROUTINE MAINTENANCE STELESCOPE 70 must be stored in a dust-free, dry room that’s protected from high temperatures. In case of prolonged non-use, cover it with a cover or a sheet or take it apart and store it in its packaging.
Page 19 Additional Additional Accessories Accessories Your STELESCOPE 70 is ready to use, but you can complete it with the following accessories available on the Stelvision online shop (https://stelvision.com/astro/en/shop/). Super Plossl Eyepiece 32 mm 27. This very low magnification eyepiece provides a wider field of view.
Page 20: Additional Information
Maximum magnification possible with 140-150 times (with 6 mm eyepiece) other eyepieces purchased separately Optical Treatments multi-layer Tripod steel tube aperture 31.75 mm, height adjustable Total weight of the equipped telescope 5 kg Stelvision - Reproduction prohibited without express permission - March 2020...