Meade ETX-105EC Instruction Manual

21, Meade ETX-105EC - 21 - # 825 8 x 25mm Right-Angle Viewfinder: Included as standard-equipment on ETX-105EC and ETX-125EC models, the 8 x 25mm Right-Angle Viewfinder (Fig. 25) permits a comfortable 90° viewing position with 90mm ETX models as well. The #825 fits into the same bracket as the 8x21mm viewfinder sup…

9, - 9 - GETTING STARTED Parts List ETX telescopes are assembled virtually complete at the Meade factory. Getting the telescope ready for first observations requires only a few minutes. When first opening the packing box, note carefully the following parts: • The ETX Astro Telescope with fork- mou…

13, - 13 - morning hours, before the ground has built up internal heat, results in better viewing conditions than during the late- afternoon hours. If you wish to observe a distant land object, such as a mountain top or a bird, you can observe by merely pointing the telescope and looking …

25, - 25 - Specifications: ETX-90EC Astro Telescope Optical design . . . . . . . . . . . . . . . . . . . Maksutov-Cassegrain Primary mirror diameter . . . . . . . . . . . . . . . . . . 96mm (3.78”) Clear aperture . . . . . . . . . . . . . . . . . . . . . . . . . . 90mm (3.5”) Focal len…

20, - 20 - OPTIONAL ACCESSORIES A wide assortment of professional Meade accessories are available for the for ETX telescopes. Meade accessories greatly extend many important applications to the telescope, from low-power, wide-field terrestrial viewing to high-power lunar and planetary…

28, Appendix C: PRECISE POLAR ALIGNMENT; SETTING CIRCLES If desired, you may obtain more precise polar alignment by first accomplishing basic polar alignment as detailed in POLAR ALIGNMENT PROCEDURE, page 16, then returning to this procedure: Note: This procedure moves the telescope p…