General info:
ModelCanon PowerShot A570 IS
Basic shot info:
Focal Length5.8 mm; equivalent: 29 mm
Aperture ValueF4
White BalanceAuto white balance
FlashFlash did not fire, auto
Metering ModeMulti-segment
Shutter Speed Value1/317 sec
ISO Speed Ratings200
Advanced shot info:
Exposure Bias Value1 EV
Exposure Time1/320 sec
Exposure ModeManual exposure
Max Aperture ValueF2.6
Exif-related info:
Exif Version2.20
Exif Image Width3072 pixels
Exif Image Height2304 pixels
Color SpacesRGB
CompressionJPEG (old-style)
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A new frame
I'll quote Sheldon describing another bicycle years and years ago. "This bicycle needs one new part -- [meaningful pause] -- a frame." In 2009, the braces ahead of the bottom bracket of my Twenty were rusting through from the inside. At that time, I was helping Sheldon's widow Harriet cull the large collection of bicycles and parts in the basement of their house. Harriet gave me a Twenty frame with a bent front fork. I already had a spare fork. The parts from my old Twenty came over to this frame, and I had Peter Mooney braze cantilever brake bosses and fender eyelets onto the replacement fork and re-bend it for less rake. The new rims are Sun CR-18s.
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Photos and captions by John S. Allen
unless otherwise indicated.