GC - South Aus
02-10-2012, 12:47 PM
NO INTEREST SO I HAVE DECIDED TO KEEP AS A CHEAP VISUAL SCOPE - WITHDRAWN, THANKS FOR LOOKING.
G'day Again
Still with the clear out!
Here we have a Celestron Wide Field Refractor (f/5) C102 (4"), Achro Doublet with Multi Coated Optics. Will also attach to a standard camera tripod through its attached adaptor, making it a great wide field/view travel scope.
Brand new still in box and comes with finderscope (no diagnol's or EP's included).
Details:
Aperture (mm) 102 mm (4.02 in)
Focal Length (mm) 500 mm (20 in)
Focal Ratio 4.9
Finderscope 8X20
Erect image Highest Useful Magnification 241 x
Lowest Useful Magnification 15 x
Limiting Stellar Magnitude 12.5
Resolution (Rayleigh) 1.37 arc seconds
Resolution (Dawes) 1.14 arc seconds
Light Gathering Power 212 x
Angular Field of View (deg) 2.5 °
Linear Field of View (@1000 yds) 131 ft (40 m)
Eye Relief (mm) 22 mm (0.87 in)
Near Focus (Binoculars) 15 ft (4.57 m)
Optical Coatings Fully Multi-Coated Optical
Tube Length 21 in (533 mm)
Weight (oz) 80 oz (2268 g)
Camera Adaptable Built-in T-thread on focuser
Asking - $270+postage (& insurance - if required)
Cheers
Gav
G'day Again
Still with the clear out!
Here we have a Celestron Wide Field Refractor (f/5) C102 (4"), Achro Doublet with Multi Coated Optics. Will also attach to a standard camera tripod through its attached adaptor, making it a great wide field/view travel scope.
Brand new still in box and comes with finderscope (no diagnol's or EP's included).
Details:
Aperture (mm) 102 mm (4.02 in)
Focal Length (mm) 500 mm (20 in)
Focal Ratio 4.9
Finderscope 8X20
Erect image Highest Useful Magnification 241 x
Lowest Useful Magnification 15 x
Limiting Stellar Magnitude 12.5
Resolution (Rayleigh) 1.37 arc seconds
Resolution (Dawes) 1.14 arc seconds
Light Gathering Power 212 x
Angular Field of View (deg) 2.5 °
Linear Field of View (@1000 yds) 131 ft (40 m)
Eye Relief (mm) 22 mm (0.87 in)
Near Focus (Binoculars) 15 ft (4.57 m)
Optical Coatings Fully Multi-Coated Optical
Tube Length 21 in (533 mm)
Weight (oz) 80 oz (2268 g)
Camera Adaptable Built-in T-thread on focuser
Asking - $270+postage (& insurance - if required)
Cheers
Gav