India Point Park

India Point Park
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0
votes
2answers
52 views

Where is the image sensor located in a camera with a fixed-focus lens?

I am working on some research on the Kinect for XBOX One. I am looking into the depth measurements of the device. I have read that the depth values are calculated from the devices focal plane. So i ...
8
votes
3answers
248 views

In what practical applications is the position of the sensor plane relevant?

Most DSLRs have a small sign showing the precise position of the sensor plane. In what practical photographic applications would one need to use this information? I know that focus distances are ...
9
votes
1answer
633 views

How can I find the sensor position on my camera? [duplicate]

In terms of post production I need to measure the exact distance from the camera sensor to several objects on the set. Where I can find specifications to determine the sensor position of a canon ...
5
votes
3answers
2k views

How do extension tubes affect focusing distance?

How do extension tubes affect focusing distance? More specifically, what I mean to ask is : why does the maximum focusing distance become shortened when an extension tube is attached? - Why does the ...
2
votes
1answer
774 views

Is it wrong to call the image plane the focal plane?

I'm from France and I would ask a question on a point that I don't understand, as it seems that so many people confuse (or may be I'm wrong). On the camera, there is a symbol (a theta or phi) which ...
6
votes
1answer
2k 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 ...
19
votes
1answer
2k 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 ...