Wide angle and Telephoto photography
definitionA telephoto is designed to magnify objects in the distance, making the object appear closer to the photographer. Telephoto lenses are best known for making distant objects appear magnified.They magnify the images by "pulling" them closer to you. As a result they also magnify vibrations from your trembling hand and when pressing the shutter and this can result in blur or fuzzy pictures.A wide angle lens has a shorter focal length and allows the photographer to take in more of a scene, creating a wider field of view. Wide-angle lens are the opposite of the telephoto lens. It provides a broader field of view than the human eye. It can be used to take picture of a wide subject in a tight spot.
image
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| wide angle versus telephoto lens |
Focal Length:
The most important factor in any
camera lens is its focal length. This determines which type of lens it is, and
what subjects it will be able to photograph. Focal lengths range from just a
few millimetres up to over a metre, and can be loosely grouped as follows:
Lens focal lengths, types, and
uses:
Focal Length
|
Lens Type
|
Common Subjects
|
8mm - 24mm
|
Ultra wide angle (fisheye)
|
Wide panoramas and skyscapes,
artistic
|
24mm - 35mm
|
Wide angle
|
Interiors, architecture,
landscapes
|
35mm - 85mm (50mm common)
|
Standard
|
General purpose
|
85mm - 135mm
|
Short telephoto
|
Portraits, candid
|
135mm - 300mm
|
Medium telephoto
|
Close sports, action
|
300mm+
|
Super telephoto
|
Far sports, wildlife, nature,
astronomy
|
Equipment /techniques used
NIKON D3100, Model (Phoebe)
Camera Settings1/125 sec; f/4.5; ISO 100
Image bank
All images taken on a NIKON D3100
Framing
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| 18mm focal length |
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| 24mm focal length |
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| 35mm focal length |
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| 45mm focal length |
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| 55mm focal length |
Close Up Portrait
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| 18mm focal length |
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| 24mm focal length |
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| 35mm focal length |
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| 45mm focal length |
 |
| 55mm focal length |
Moving to get into frame
 |
| 18mm focal length |
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| 24mm focal length |
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| 35mm focal length |
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| 45mm focal length |
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| 55mm focal length |
Background focus
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| 18mm focal length |
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| 24mm focal length |
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| 35mm focal length |
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| 45mm focal length |
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| 55mm focal length |
You will also need to evaluate how the camera
settings affected the photograph.
As you increase the ISO, the sensor becomes more sensitive to light, which allows it to capture more light without slowing down the shutter speed or opening up your aperture. A large aperture (a wide opening) will pass a lot of light, resulting in a brighter photograph. A small aperture does just the opposite, making a photo darker. The shutter speed is principally responsible for controlling the amount of blur in a picture. ... To get rid of the blur, you need to increase the shutter speed, therefore the higher the shutter speed, the less blurry the image is. This is show within the above set of images.
As you increase the ISO, the sensor becomes more sensitive to light, which allows it to capture more light without slowing down the shutter speed or opening up your aperture. A large aperture (a wide opening) will pass a lot of light, resulting in a brighter photograph. A small aperture does just the opposite, making a photo darker. The shutter speed is principally responsible for controlling the amount of blur in a picture. ... To get rid of the blur, you need to increase the shutter speed, therefore the higher the shutter speed, the less blurry the image is. This is show within the above set of images.
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