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Focus Viewmaster ED 16-48x65 is a professional angled telescope designed for lovers of birdwatching, observation of aircraft at cruising altitudes (RNAV spotting) and for all other applications where the highest image quality and comfort of observing objects above the observer are important.
The optical system of the telescope is made of carefully selected types of optical glass, guaranteeing the highest image quality. In order to correct the effect of chromatic aberration, the optics of the telescope are equipped with elements made of low dispersion glass (ED), and all optical surfaces are covered with a full multilayer coating (FMC), significantly improving the contrast and detail of the image obtained. The scope comes with a stable Velbon Videomate 638 tripod with a PH-368 head and a QB-6RL quick-release plate.
The whole is enclosed in a waterproof housing filled with dry nitrogen, which effectively prevents fogging of the lenses during a sudden change of temperature, for example after leaving a warm car or room. • low dispersion optical system with smooth magnification adjustment in the range of 16 - 48x
• angular construction facilitating the observation of high objects (birds, planes, etc.)
• high twilight efficiency that guarantees the telescope's usefulness even in difficult lighting conditions
• waterproof housing filled with dry nitrogen
• Velbon Videomate 638 tripod included • construction: angular telescope
• type of optical system: low dispersion
• magnification: 16 - 48x
• Lens diameter: 65 mm
• Exit pupil: 4.1 - 1.4 mm
• eye relief: 20 - 18 mm
• field of view (angular): 2.65 - 1.4°
• field of view (apparent): 42 - 66°
• minimum observation distance: 3.5 m
• prism design: Porro
• prism material: BaK-4 glass
• type of anti-reflective coating: full multilayer coating (FMC)
• twilight efficiency: 32
• eyecup: twist-up
• waterproof: yes
• inert gas filling: yes, nitrogen
• the possibility of mounting on a tripod: yes
• dimensions: 345 x 96 x 165 mm
• weight: 1.2 kg
• maximum tripod load: 4 kg (optimally 3 kg)
• tripod working height: 139 - 171 cm
• folded height: 67 cm
• type of quick coupler: QB-6RL
• number of leg sections: 3
• weight: 2 kg • Focus Viewmaster ED 16-48x65 spotting scope
• Velbon Videomate 638 tripod
• stay-on cover
• documentation 5 years manufacturer's warranty
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