My new DSLR Impressions........Sony A100 - Page 2
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This is a discussion on My new DSLR Impressions........Sony A100 within the Member Show-Off & Photography forums, part of the Community - Meet other Enthusiasts category; Originally Posted by nocturnal_wrx ISO is the "films" sensitivity to light. The lower the number (100) the better the quality, ...

  1. #16
    Registered User efmd3's Avatar
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    Quote Originally Posted by nocturnal_wrx View Post
    ISO is the "films" sensitivity to light. The lower the number (100) the better the quality, but has a harder time with low-light shots. The higher the number (1600) the better low-light images will turn out, but with degraded quality.

    Shutter speed is just how long the shutter stays open for. So 1/6 is a sixth of a second and quite slow, where 1/500 is a five-hundredth of a second, and quick.
    so just because a camera has a range of shutter speeds doesn't necessarily mean it is manually adjustable?

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    Administrator RayfieldsWRX's Avatar
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    Quote Originally Posted by efmd3 View Post
    so just because a camera has a range of shutter speeds doesn't necessarily mean it is manually adjustable?
    Nearly any camera is going to have a range of shutterspeeds, as well as aperture settings. It has to have some way of adjusting the exposure. Whether or not the operator has any control over it is a different question.
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    Registered User efmd3's Avatar
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    Quote Originally Posted by RayfieldsWRX View Post
    Nearly any camera is going to have a range of shutterspeeds, as well as aperture settings. It has to have some way of adjusting the exposure. Whether or not the operator has any control over it is a different question.
    <---camera n00b

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    Quote Originally Posted by efmd3 View Post
    <---camera n00b
    Well, I'm certainly not on the level of c00lbeans, Verdugo, or any of our resident photogs. I know enough to get by when I need to do some manual work.
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    Registered User efmd3's Avatar
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    so sorry to hijack, 06wrxforme, but why does the camera say ISO speed and would long time exposure not be similar to shutter speed???

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    Administrator RayfieldsWRX's Avatar
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    Quote Originally Posted by efmd3 View Post
    so sorry to hijack, 06wrxforme, but why does the camera say ISO speed and would long time exposure not be similar to shutter speed???
    I'm not who you're asking, but:

    ISO comes from the film photography days, and refers to different "speeds" of film. In other words, how fast they react to exposure to light.

    A long time exposure would be setting your shutter speed to hold the shutter open for a lengthier time, if I'm understanding your question.
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    Registered User efmd3's Avatar
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    Quote Originally Posted by RayfieldsWRX View Post
    I'm not who you're asking, but:

    ISO comes from the film photography days, and refers to different "speeds" of film. In other words, how fast they react to exposure to light.

    A long time exposure would be setting your shutter speed to hold the shutter open for a lengthier time, if I'm understanding your question.
    yea, i was trying to figure out the difference between sensitivity (iso) and iso speed

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    Administrator RayfieldsWRX's Avatar
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    Quote Originally Posted by efmd3 View Post
    yea, i was trying to figure out the difference between sensitivity (iso) and iso speed
    I think of them as the same thing.

    <===could be wrong.
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    Resident meany-rator 06wrx4me's Avatar
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    Quote Originally Posted by RayfieldsWRX View Post
    I think of them as the same thing.

    <===could be wrong.
    I think of them as the same as well Ray.

    Shutter speed 4–1/1400 seconds, long exposure max 4 seconds
    Shutter speed is how fast the shutter opens and closes to allow light in to expose the film (or in our case the sensor). What that means is your camera has a range of shutter speed of 4 secs-1/1400secs. Obviously the longer The shutter stays open, the more light it lets in and the more exposure you get. Therefore, the darker it is outside the slower the shutter speed you are going to want.
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    Registered User efmd3's Avatar
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    Quote Originally Posted by 06wrx4me View Post
    I think of them as the same as well Ray.

    Shutter speed is how fast the shutter opens and closes to allow light in to expose the film (or in our case the sensor). What that means is your camera has a range of shutter speed of 4 secs-1/1400secs. Obviously the longer The shutter stays open, the more light it lets in and the more exposure you get. Therefore, the darker it is outside the slower the shutter speed you are going to want.
    Thank you for your help! I've been playing with the settings all day, taking pics inside, outside, in rooms with the lights off, etc. just fooling with those settings.

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    Resident meany-rator 06wrx4me's Avatar
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    Quote Originally Posted by efmd3 View Post
    Thank you for your help! I've been playing with the settings all day, taking pics inside, outside, in rooms with the lights off, etc. just fooling with those settings.
    Best way to learn Thats how I did. I had a Panasonic Lumix FZ5---Super Zoom (still do) which is a step below an SLR that really helped me learn. I took 11,000 pics in 2 years with that thing.
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