Alley in Pisa, Italy

by Lars Kotthoff

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5

You need to shoot at either sunrise or set (sunset is generally warmer in tone), when the sun is very low in the sky. Shoot with the sun behind the model (taking care not to look directly at it if possible). As you are shooting into the sun, you need some light source to light the front of your model: this could either be a diffused flash or a reflector. As ...


5

It is not. What you are referring to is sensitivity to light. That is the ISO sensitivity is for and while there is a standard that describes it, digital sensors do not match exactly the posted sensitivity. A site like DxOMark actually measures ISO equivalence as part of its sensor benchmarks and you can commonly see a difference of ±1/3 EVs. The other ...


5

Theoretically both images should be the same brightness, even though the NEX sensor is larger, it stills receives same amount of light per unit area both lenses were set to f/3.5. The difference in brightness is due to different processing, there's nothing in the ISO standard that guarantee the same digital brightness values given the same exposure and ISO ...


2

There's a bit of post production going on in that image that is probably clouding things somewhat. If you look at the area at the top of the image it's clearly been blown out (overexposed) and then brought back from pure white to a dirty grey pink colour. This says to me two things - the contrast of the image has been lowered so that the blacks and whites ...


2

Keep in mind that dark is bright on a negative. Anything black is going to become white, so underexposing the image of the negative results in an overexposure of the positive. Boost your original exposure of the negative and the inverted version will be more natural. It's probably being exposed dark due to being on a light table which is probably throwing ...



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