Rear lens is a little foggy, as shown in the video. Optical system. The focus ring moves just right smoothly. It doesn't have any defect which affects images.
[MINT]Canon EF 300mm F4 L USM Ultrasonic AF Lens from JAPAN
Canon EF 28-70mm f/2.8 L USM ULTRASONIC Zoom AF Lens [ N MINT ] Japan #1915
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[Top MINT] Canon EF 70-200mm f/2.8 L USM Telephoto Zoom Lens From JAPAN
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[ Top MINT / Cap ] Canon EF 28-70mm F2.8 L USM Telephoto Zoom Lens From JAPAN999
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