Different kinds of Digital Single Lens Reflex cameras have also dissimilar exposure mode dials being added as features. Nonetheless, the Mode Dial is considered to be the gateway to capture that best shot either using Fully Automatic Mode or sticking to the Manual Mode. This may perhaps be the reason on how professional photographers achieve the keys to creative photography, knowing which of these exposure modes are going to be used on each and every occasion.
The Canon EOS Digital SLR cameras has been categorized into its own levels- from Beginner turned into an Amateur to Enthusiast and/or Hobbyist, and from Semi-Professional to the Professional. Thus each Digital SLR cameras have its own unique features added into its mode dial.
Take for example, the entry-level Canon EOS Digital SLR cameras exposure mode dial is located on the top right of the camera while both Semi-Professional level and Professional Digital SLR cameras mode dials are located on the camera's top left.
So, what exactly is a Mode Dial?
A Mode Dial is basically a dial used on digital SLR cameras to change it's exposure mode.
The Canon EOS Digital SLR cameras has been categorized into its own levels- from Beginner turned into an Amateur to Enthusiast and/or Hobbyist, and from Semi-Professional to the Professional. Thus each Digital SLR cameras have its own unique features added into its mode dial.
Take for example, the entry-level Canon EOS Digital SLR cameras exposure mode dial is located on the top right of the camera while both Semi-Professional level and Professional Digital SLR cameras mode dials are located on the camera's top left.
So, what exactly is a Mode Dial?
A Mode Dial is basically a dial used on digital SLR cameras to change it's exposure mode.
Now let's try to review the Canon EOS 7D with its own exposure mode dial. Please take note that on this article, we only review the mode dial of this model although we included 2 additional EOS Models namely the Canon EOS 700D for the Entry-level and the Canon EOS 5D Mark III for the Professional level. This reference is mainly for comparison purposes. Each EOS Models might or might not represent the other EOS Models with its own level.
Camera User Settings Modes:
- Both C1, C2, and C3 represents the Camera User Settings.
These three custom mode settings allows the photographer to save three different individual sets of the camera function settings for much faster dial. With these three functional settings, you have the ability to create and/or customized your own configuration settings and save it for much specific conditions.
B: Bulb Exposure:
- This mode provides a great alternative while shooting at night scenes for greater long exposure. Accordingly, when the mode dial is set to the bulb exposure, the shutter stays open while holding down the shutter button completely, and closes when the shutter button unpressed.
Subjectively, this mode is good for Astro-Photography. of course given a better lens as to complement the scene.
What's something negative for this exposure is that it produces more noise which results to a little grainy image. The noise can be reduced though by using the Long Exposure Noise Reduction command or the Command Function II on the camera setting.
M: Manual Exposure
- The M for this method stands for the Manual Exposure.
From the most basic viewpoint, this mode controls both the shutter speed and aperture independently as desired including the ISO sensitivity. Thus, you have the ability to control your exposure level manually.
Av: Aperture-priority AE
- The Av stands for the Aperture Value or the aperture opening.
This mode lets you control your desired aperture while the camera automatically sets the shutter speed and ISO sensitivity obtaining a correct exposure.
The f/ number indicated the lens aperture. The higher the f/ number, the smaller the aperture hole while the lower the f/ number, the larger the aperture hole. With higher f/number, the aperture produces more sharpness on the foreground and background while with the lower f/number, the subject is set while both foreground and background produces blur-effect..
Tv: Shutter-priority AE
- The TV stands for Time Value.
This mode allows someone to set the shutter speed manually including the exposure compensation and the camera automatically sets the aperture to produce the correct exposure. Most of the entry-level Canon EOS models have a maximum shutter speed of 1/4000 while professional EOS models have more than 1/4000 maximum shutter speed.
A faster shutter speed can freeze the action scene or moving object like capturing the exact moment without blur. On the other hand, a slower shutter speed produces a blurred motion effect, thus giving the impression of motion.
P: Program AE
- The P stands for Program while the AE stands for Auto Exposure hence Auto Exposure Program.
Considerably, the Program AE is the first mode in the Creative Zone of the Mode dial. This mode automatically sets the shutter speed and aperture selected by the camera to complement the brightness of the image subject. The photographer can also control over the shutter speed and aperture partially. Its somewhat like the same with that of the Full Auto mode with more control over the exposure either to larger or smaller apertures.
Fully-Automatic Modes:
CA: Create Auto
- The CA stands for Creative Auto.
This mode is a cross product between the green zone and the program mode which enables someone to easily change the brightness of the image, its depth of field, color tone, shutter speed, and the likes.
Full Auto
- The green rectangular outline located on the mode dial of the camera indicates the Full Automatic Exposure Mode. With the basic definition, the Full Auto mode automatically makes all exposures by the camera.
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