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27 votes
Accepted

How do fast shutter speeds actually work?

Let me add some images. On a mechanical shutter, you have two physical curtains (A) that move when you take a photo (B). The shutter speed is the average time the gap is over a zone of the sensor (C). ...
Rafael's user avatar
  • 24.9k
8 votes

How do fast shutter speeds actually work?

You can take a picture faster than 1/250, it just means that any individual position in the picture has been exposed for that duration, but not at the same time. On these pictures (both taken at 1/...
xenoid's user avatar
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7 votes

How do fast shutter speeds actually work?

Your understanding is basically correct except that there is a rolling shutter effect with a mechanical shutter. But it is not nearly as bad as the typical electronic rolling shutter effect. The ...
Steven Kersting's user avatar
5 votes
Accepted

Can you adjust Aperture in [Tv] mode on a PowerShot G7 X?

The whole point of Tv mode is that you don't adjust the aperture; the camera meters the scene and calculates the aperture based on the selected shutter speed and ISO setting. If you want to adjust the ...
osullic's user avatar
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5 votes
Accepted

Why is my image too bright when I take a 5 second exposure outdoors?

An outdoor shot at 5s should be massively overexposed. Taking the "Sunny 16" rule - at f/16 on a sunny day, your exposure should be 1 / (ISO) seconds - assuming you're at ISO 100, your correct ...
Philip Kendall's user avatar
2 votes

Why isn't shutter priority mode automatically adjusting my aperture on my Nikon Coolpix P520?

Page 70 of the manual states: When the subject is too dark or too bright, it may not be possible to obtain the appropriate exposure. In such cases, the shutter speed indicator or aperture value ...
flolilo's user avatar
  • 6,468
2 votes

Why isn't shutter priority mode automatically adjusting my aperture on my Nikon Coolpix P520?

It sounds like you might be selecting a shutter value that is too short (too "fast") for the amount of light in the scene you are photographing, even when the lens is opened to its maximum aperture ...
Michael C's user avatar
  • 175k
2 votes

How do I compensate for lack of minimum shutter speed when in Av mode with the Canon 750D (Rebel T6i)?

There are a couple of things that I think that you can do: Learn your lowest shutter speed: At 24mm, I would have expected you to be able to hand hold 1/25 and especially 1/60. Now, that might be too ...
OnBreak.'s user avatar
  • 20.5k
2 votes

How to determine the exposure mode used in two photos if they have the same ISO value and the same exposure value?

In addition to shutter or aperture priority with fixed ISO, options include: full auto or program mode a program-shift mode, if the camera has one (from this camera's manual, it does not, but other ...
mattdm's user avatar
  • 143k
2 votes

In shutter priority mode, does the camera increase aperture or ISO first?

As far as I can tell (EOS 70D): There is an obvious attempt to maximize aperture before increasing ISO There is a setting to set the allowed auto-ISO range (ISO speed settings in the third menu).
xenoid's user avatar
  • 21.4k
2 votes

How do I set a fixed shutter speed on a Canon Rebel T7?

Turn off Auto Exposure Bracketing (AEB) under the 'Shooting 2' (Red Tab 2) Menu → 'Expo.comp./AEB' setting. You can also access Exposure Compensation/AEB settings via the 'Quick Control Screen' by ...
Michael C's user avatar
  • 175k
2 votes

How do fast shutter speeds actually work?

All the answers above are, for the most part, correct. After a bit of net sleuthing, it turns out that, not only does the shutter band sweep across the sensor chip or film in sequence, but the sensor ...
David Bunnell's user avatar
2 votes
Accepted

How to deal with sudden change of action and light?

The best way to accomplish what you want is to set the exposure mode to S (Shutter priority) exposure mode, the shutter speed to the desired setting (i.e. 1/500 sec.), and the ISO to Auto. As long as ...
Michael C's user avatar
  • 175k
1 vote

How to deal with sudden change of action and light?

For BIF you probably want the lens wide open and a high ISO to get a fast shutter. You can do that in aperture priority mode. The camera will choose the shutter speed to get a proper exposure. When ...
Ross Millikan's user avatar
1 vote

How to deal with sudden change of action and light?

Full Auto - P [Programmed mode] will always let you capture something but it's not set up for fast action. It's more for 'happy snaps'. ...
Tetsujin's user avatar
  • 23.4k
1 vote
Accepted

In shutter priority mode, does the camera increase aperture or ISO first?

With every camera I've used (Canon, Nikon, etc, etc), what it wants first is the minimum/desired ISO you set and the SS you set, while adjusting the aperture. So it is adjusting down to the desired/...
Steven Kersting's user avatar
1 vote

Do Program and Shutter priority modes work on a Nikon N90s with a Series E lens?

According to the Nikon Camera and Lens Compatibility Chart at Nikonians.org, no, you will not be able to use Program or Shutter-priority modes on your N90s with AI, AI-S, or E-series lenses. Quoting a ...
scottbb's user avatar
  • 32.8k
1 vote

Is the AF Nikkor 35mm f/2D lens compatible with my Nikon D5200?

See this link for an answer to almost every lens compatibility question: http://www.kenrockwell.com/nikon/compatibility-lens.htm#dslr So YES, your lens will automatically adjust exposure in PSAM ...
Gabe Rogan's user avatar

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