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<blockquote data-quote="PavementPilot" data-source="post: 24659" data-attributes="member: 4024">Ok, when mounting a Series E lens, and I have one, you need to take full control of all settings manually. The D3100 will not meter at all with this lens. You should start with the Sunny 16 rule and adjust from there. If you are not fimiliar with the exposure triangle, them please read Bryan Peterson's book 'Understanding Exposure, 3rd Edition' or later. Now that you have the ISO at 100, shutter to 1/125 and the aperture at 16, once you adjust one value, you need to compensate for it with one or both of the others. You will also need to understand the adjustments from the Sunny 16 rule for other lighting changes.&nbsp;I would start with the Sunny 16 Rule, and take a picture. Then look at the histogram and adjust from there. Once you attain the correct exposure, but want to have a different capture effect (motion or freeze) then adjust the shutter speed to your preffered selection, and compensate for it with the ISO or Aperture. Same goes for changing aperture (DOF) and compensate with ISO or shutter speed.&nbsp;I have a prime lens, so my aperture remains where it is set, but with the zoom, you will have to constantly compensate for changing zoom effecting the aperture, unless the lens is a constant in all zoom ranges. &nbsp;You will need to change the aperture on the lens as there is no control from the camera for it.</blockquote>

[QUOTE="PavementPilot, post: 24659, member: 4024"] Ok, when mounting a Series E lens, and I have one, you need to take full control of all settings manually. The D3100 will not meter at all with this lens. You should start with the Sunny 16 rule and adjust from there. If you are not fimiliar with the exposure triangle, them please read Bryan Peterson's book 'Understanding Exposure, 3rd Edition' or later. Now that you have the ISO at 100, shutter to 1/125 and the aperture at 16, once you adjust one value, you need to compensate for it with one or both of the others. You will also need to understand the adjustments from the Sunny 16 rule for other lighting changes. I would start with the Sunny 16 Rule, and take a picture. Then look at the histogram and adjust from there. Once you attain the correct exposure, but want to have a different capture effect (motion or freeze) then adjust the shutter speed to your preffered selection, and compensate for it with the ISO or Aperture. Same goes for changing aperture (DOF) and compensate with ISO or shutter speed. I have a prime lens, so my aperture remains where it is set, but with the zoom, you will have to constantly compensate for changing zoom effecting the aperture, unless the lens is a constant in all zoom ranges. You will need to change the aperture on the lens as there is no control from the camera for it. [/QUOTE]

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