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Samir Kharusi | all galleries >> Galleries >> Testing Canon Tele Extenders > 200mm at f2.8, Antares
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August 2005 Samir Kharusi

200mm at f2.8, Antares

Magellan Observatory, Australia

Without a tele-extender, lens wide open at f2.8. Autofocused on either Alpha Centauri or Jupiter (can't recall which). Click "original" below right to see the inset crop of M4 at 1:1.

Hutch Canon 20D + UV/IR Blocker,Canon 200mm/2.8L II
59x1min at f2.8, ISO 800 full exif

other sizes: small medium large original auto
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