Dawes
Listado dawes
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Telescopio de 300 mm de distancia focal9 resolution (rayleigh) 1stylish and decorative design makes firstscope a wonderful keepsake for anyone interested in astronomyoptical tube info: optical design newtonian reflector aperture (mm) 76 mm (253 arc seconds light gathering power (compared to human eye) 118 x warranty 2-year telescope warrantyideal para jóvenes aficionadosportable and lighweight table-top design makes it easy to store, transport and setup your firstscope telescope firstscope is very easy to observe with, the user simply navigates the night sky by moving the tube in the direction of their desired object99 in) focal length 300 mm (12 in) focal ratio 379 in) magnification of eyepiece 1 15 x focal length of eyepiece 2 (mm) 4 mm (0viene con su caja y dos lentes (4 mm y 20 mm) perfecto para ver la luna y las constelaciones de mayor intensidaddescripción high quality dobsonian style stand with a 76 mm reflector optical tube make firstscope an ideal entry level astronomical telescope95 focal length of eyepiece 1 (mm) 20 mm (083 arc seconds resolution (dawes) 116 in) magnification of eyepiece 2 75 x highest useful magnification 180 x lowest useful magnification 11 x limiting stellar magnitude 11en perfectas condiciones
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98 resolution -- dawes limit " " 1powerseeker specifications ps 70az, 220 verdes optical design refractor aperture 70mm (225" eyepieces 20mm x) n/a 4mm x) apparent fov -- 20mm @ mm @ 40° barlow lens 18") focal length 700mm focal ratio f/10 optical coatings fully coated finderscope 5x24 diagonal star erect image 14° linear fov w/20mm eyepiece -ft/yds 74 mount altazimuth altitude locking knob yes azimuth lock yes cd-rom "the skyx" yes highest useful magnification 165x limiting stellar magnitude 117 resolution -- raleigh (arc seconds) 166 light gathering power 100x optical tube length cm) telescope weight 6# (27kg) note: specifications are subject to change without notice or obligation25" w/20mm (105x) n/a w/4mm (525x) angular field of view w/20mm eyepiece 1