Schiapparelli's refractive telescope

Schiapparelli's refractive telescope

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Schiapparelli's refractive telescope

museum of science and technology in Milan. By this instrument Italian scholar Schiapparelli thought to have discovered Mars " channels "

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Folders my travels
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Camera Canon PowerShot G16
Lens Unknown 6-30mm
Aperture 1.8
Exposure time 1/50
Focus length 6.1 mm
ISO 400