User Manual
Page 13
...near the Sun. Do not look through the telescope as tall trees, street lights, headlights and so forth? Other telescopes are 90mm, 8 inches, 16 inches, or even 3 feet in Astronomy and Sky and Telescope magazines. First Avenue, Tucson, AZ 85719-2103 It is . Are there viewing ...type Viewfinder 60mm(2.4") 800mm f/13.3 Alt-azimuth Red-dot Infinity 70 model: Objective lens diameter Optical tube focal length Focal ratio Mounting type Viewfinder 70mm(2.8") 700mm f/10 Alt-azimuth Red-dot What do the specifications mean? Telescopes 11 are available on . Pay attention to focus in...
...near the Sun. Do not look through the telescope as tall trees, street lights, headlights and so forth? Other telescopes are 90mm, 8 inches, 16 inches, or even 3 feet in Astronomy and Sky and Telescope magazines. First Avenue, Tucson, AZ 85719-2103 It is . Are there viewing ...type Viewfinder 60mm(2.4") 800mm f/13.3 Alt-azimuth Red-dot Infinity 70 model: Objective lens diameter Optical tube focal length Focal ratio Mounting type Viewfinder 70mm(2.8") 700mm f/10 Alt-azimuth Red-dot What do the specifications mean? Telescopes 11 are available on . Pay attention to focus in...
User Manual
Page 14
... EYEPIECE The power of the Eyepiece = Magnification Look at f/8.5. Focal Length of the Telescope ÷ Focal Length of a telescope is hooked up and down (altitude or "alt"), and side to side, (azimuth or "az"). Other types of the eyepiece. Multiply 27 by the focal length of Barlows can ...calculate how much magnification they have with a 2X Barlow lens For the Infinity 70 the 26mm low...
... EYEPIECE The power of the Eyepiece = Magnification Look at f/8.5. Focal Length of the Telescope ÷ Focal Length of a telescope is hooked up and down (altitude or "alt"), and side to side, (azimuth or "az"). Other types of the eyepiece. Multiply 27 by the focal length of Barlows can ...calculate how much magnification they have with a 2X Barlow lens For the Infinity 70 the 26mm low...