buying a used lens inspection and testing guide for photographers rh pointsinfocus com point and shoot camera with manual focus ring bridge camera with manual focus ring
{"Image ImageDescription": "Manual focus lenses will always have a prominent focus ring, with the zoom ring on some MF zooms being nearly the entire outer surface of the lens. Even on this small 50mm prime, the entire front half of the lens, from the depth of field markings forward is smoothly rotating focus ring.", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 4.3 (Windows)", "Image DateTime": "2013:03:20 21:11:03", "Image Artist": "Vernon Franke", "Image ExifOffset": "488", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "688", "Thumbnail JPEGInterchangeFormatLength": "14321", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:03:20 19:45:08", "EXIF DateTimeDigitized": "2013:03:20 19:45:08", "EXIF SubSecTimeOriginal": "77", "EXIF SubSecTimeDigitized": "77"}