Nyeste modell av dette legendariske teleskopet. Selges med holder, reduser, extender, div adapter mm.
Kun brukt i observatorie og har ikke vært på tur.
Optical System Modified Four Element Double ED Petzval
Effective Aperture 4.2" (106mm)
Focal Length 21" (530mm)
Focal Ratio f/5
Image Circle 3.5" (88mm)
Back Focus 7" (178mm)
Length of Main Tube 26.6" (675mm)
Tube Diameter 4.9" (125mm)
Tube Weight 15.4 lb. (7 kg.)
Resolution 1.09" (28mm)
Light Gathering Power 229X, Limiting Mag is 11.9
Focal Length with Optional Reducer 15.2'" (385mm)
F Ratio with Optional Reducer 3.6
Image Circle with Optional Reducer 1.7" (44mm) - light intensity 60%
Focal Length with Optional Extender 33.5" (850mm)
F Ratio with Optional Extender 8
Image CIrcle with Optional Extender 1.7" (44mm) - light intensity 60% |