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Lens Hood
See also: Camera Lenses | Converters | Extenders | Extension Tubes |
Digital photography for those new to DSLR or compact interchangeable lens systems is on a regular basis confused because there's more to the equipment than just a camera and a lens. One piece that causes many amateurs to scratch their heads is a lens hood. It might seem like something additional without reason, but it facilitates to prevent some of the light entering the lens to reduce lens flare.
Lens hoods are available in two looks:
- One is tube-like, which can be included with a fixed focal length lens, or one that doesn't zoom. Felt is generally affixed to the inside of this type of hood to reduced the quantity of light reflecting from the plastic of the hood.
- The other style of hood is for zoom lenses, also called flower lens hood. This hood features a curved opening at one end. The hood is designed in this manner, so in the event you use a smaller focal length, the hood doesn't block the wider angle of view. Once you shoot at a longer focal length, the hood can obstruct a lot of the light.
The other confusing aspect of a lens hood is that it's both a advantage but also could represent a challenge, depending on the way you are working with the lens.
BENEFIT
The gain is always that the hood doesn’t permit light to enter the lens and strike the outer glass components inside the lens at a improper angle that results in lens flare. Most of this light does not help to expose the photograph given that it hardly ever reaches the sensor. Lens flare appears like faded marks in a hexagonal or octagonal shape, which is the shape of the lens opening. Light that enters a lens at a more direct, or perpendicular, angle may also trigger lens flare, but a hood eliminates the worst angles of light.
CHALLENGE
The curved construction of a zoom lens’ hood could permit light to enter the lens sooner, compared to a fixed focal length lens. This does not lead to much of an issue unless you’ve turned the photographic camera to a vertical position and the lens is directed near the sun.
Our very last lens hood advice: if you forget to pack your lens hood or you’ve lost it, then your hand, a little piece of cardboard or other flat object is a great substitute until our bestphoto.co.uk suppliers can deliver a substitute for your preferred camera make and model.
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