Classification Focal length of lenses for APS-C size
Wide Angle 10mm (equivalent to 16mm)
24mm (equivalent to 37mm)
Standard 35mm (equivalent to 54mm)
50mm (equivalent to 78mm)
Telephoto 70mm (equivalent to 109mm)
90mm (equivalent to 140mm)
150mm (equivalent to 233mm)
Ultra-telephoto 300mm (equivalent to 465mm)
400mm (equivalent to 620mm)
600mm (equivalent to 930mm)

The F-number (aperture value)

MOD (Minimum Object Distance)

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