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Rolf Olsen | all galleries >> Astrophotography >> 10 inch Serrurier truss Newtonian > Finished secondary cage
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10-APR-2011

Finished secondary cage

Apple iPhone 4
1/15s f/2.8 at 3.8mm iso400 hide exif
Full EXIF Info
Date/Time10-Apr-2011 00:41:39
MakeApple
ModeliPhone 4
Flash UsedNo
Focal Length3.8 mm
Exposure Time1/15 sec
Aperturef/2.8
ISO Equivalent400
Exposure Bias
White Balance
Metering Modematrix (5)
JPEG Quality
Exposure Programprogram (2)
Focus Distance

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Jerry 22-Aug-2014 01:31
What is the material that the focuser is mounted to? aluminum? How thick? How do you anchor it to the cage rings?
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