Shadowy Daisy

Shadowy Daisy
by damned-truths

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When one learns photography they are taught that they need to "correctly" expose the film or sensor in order to achieve an image that captures a range of light. The subjectivity of what is "correct exposure" aside, Exposure is the quantity of light allowed to pass through the lens and shutter in order to be captured by the film or the sensor. There are Two ...


1

I did not met this kind of term yet but I think that you may use fill rate for that and be understood well. Also, it is not misleading to say just "object size" or "object dimensions" in other cases of talking about photos because it always refers to perceptible object size. It happens so that photos are fit to media or resized to fit the media in most ...


1

ISO (International Organization for Standardization) specifies how photographic films are to be tested to determine their sensitivity to light. The ISO of any film is one of the key elements needed to calculate the camera exposure settings. Technically the ISO value is specific for films however digital photography embraces ISO thus the ISO settings of the ...


9

You're both right and wrong. Yes, technically the "ISO setting" is merely an amplification of sensor data. However the quantization (feeding the analog signal into the analog-digital converter) happens after the amplification. So, from the sensor (as in photosensitive die alone) point of view, the amplification doesn't change the actual light sensitivity. ...


3

Because the gain you set affects the image. The higher the gain, the brighter the resulting image from the sensor. While it may not specifically be the sensitivity of the sensor hardware to light that's affected, the sensitivity of the final image data to the light is affected by the iso setting you choose. Whether or not you use a gain setting of iso 100 ...


4

We control the sensitivity of the digital sensor or technically speaking controlling the post-image gain applied to the signal, but for all intents and purposes, we can think of it as sensitivity. It is part of the exposure triangle because when using an automatic or semi-automatic exposure mode the ISO setting influences the selected shutter speed or ...


3

The general idea of a leaf shutter seems to have started from leaves on trees. The earliest leaf shutters had a relatively large, flat opaque "leaf" with a "stem" sticking out from one end where it pivoted. This shutter design has a number of shortcomings though. The shutter speed isn't very controllable, it's nearly impossible to get it really fast, and ...


5

A leaf shutter is located in the lens of a camera, rather than in front of the focal plane inside the body of the camera. They are made of several metal blades that fit together in a circular arrangement with the intersection of all of the blades overlapping in the center. When a leaf shutter opens the hole gets gradually larger from the center to the edges. ...



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