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BRESSER Sirius 70/900

Photos - Telescope BRESSER Sirius 70/900
Expecting restock
£87.99 
Design: lens (refractors); Mount type: altazimuth; Lens diameter (mm): 70; Focal length (mm): 900; Max. useful magnification (x): 140; Max. resolution magnification (x): 105; Min. magnification (x): 10; Aperture: 1/12.9; Penetrating power: 11.7; Finder: optic; Focuser: rack; Lens Barlow (x): 2
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BRESSER Sirius 70/900
Barlow lens
Main
Designlens (refractors)
Mount typealtazimuth
Specs
Lens diameter70 mm
Focal length900 mm
Max. useful magnification140 x
Max. resolution magnification105 x
Min. magnification10 x
Aperture1/12.9
Penetrating power11.7 зв.вел
Resolution (Dawes)1.63 arc.sec
Resolution (Rayleigh)2 arc.sec
More features
Finderoptic / 5x24 /
Focuserrack
Eyepieces20 mm, 12.5 mm, 4 mm
Eyepiece bore diameter1.25 "
Lens Barlow2 х
Diagonal mirror
General
Tube mountfixing screws
Tube length91 cm
Total weight3.1 kg
Added to E-CatalogMarch 2015
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Telescope BRESSER Sirius 70/900