General info:
ModelCanon PowerShot A590 IS
MakeCanon
Basic shot info:
Focal Length5.8 mm; equivalent: 35 mm
Aperture ValueF3.5
White BalanceAuto white balance
FlashFlash did not fire, auto
Metering ModeMulti-segment
Shutter Speed Value1/59 sec
ISO Speed Ratings200
Advanced shot info:
Exposure Bias Value0 EV
Exposure Time1/60 sec
Exposure ModeAuto exposure
Max Aperture ValueF2.6
Exif-related info:
Exif Version2.20
Exif Image Width554 pixels
Exif Image Height400 pixels
Color SpacesRGB
CompressionJPEG (old-style)
User Comment
 Sheldon Brown's 1960s Schwinn Paramount » Sprocket (image 10 of 12)


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Sprocket
The inch-pitch rear sprocket on this side of the hub has 9 teeth, for a 77-inch gear (6.1 meters development). The quick-release handle is on this side because there's no sense reversing the quick release when turning the wheel over to use the sprocket on the other side, and there is no derailleur to get in the way. Note the forward-facing dropouts and derailleur hanger -- this is a road bike with a fixed gear, not a track bike.
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Photos and captions by John S. Allen
unless otherwise indicated.