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4
votes
1answer
326 views
What is an “image plane indicator”?
There is a symbol, a circle with a horizontal line passing through it, on the right side of the top-plate LCD of my Pentax K-5:
This symbol also appears on my Pentax K-r on the left side of the ...
16
votes
1answer
802 views
What does the theta symbol near the flash represent?
On my camera, between the mode dial and the flash, there is a white theta symbol. I've also seen it on review sites in pictures of other cameras, often in different locations but always near the ...
