I have seen two types of photographers. Who doesn't like to use the camera lens hood because it looks bulky. Others use it as a fashion accessory instead of a camera accessory. So, let's find out, what is the camera lens hood? When to use it and when not to use it?
The camera lens hood is a camera lens accessory that attaches to the front of the lens and can remove unwanted light reflections and lens flares. Also known as lens shadow. Most high quality comes with a felt lining inside. This coating removes unwanted internal reflection from the hood walls.
Different Types Of Camera Lens Covers
Let's take a look at the different types of lens caps.
Based on material type
We can classify the camera lens hood into three types based on the type of material used in the construction.
1. Type of plastic
Plastic hood is the most popular. Most camera manufacturers that provide shades for the lenses usually provide a plastic sunshade along with the lens.
2. Metal Type
Metal Cylindrical Telephoto Lens Cap
High-end telephoto lenses such as Canon or Nikon, 400mm, 500mm, 600mm and 800mm objective lenses come with metal hoods. They are expensive when compared to other types. Therefore, if you lose one, you will need to spend more on replacement. They increase the weight of the configured camera, but are very good at doing the job.
3. Rubber lens cap
Camera manufacturers do not provide a rubber lens cover with the camera. You can get them online from third party vendors and they are famous for their flexible appeal. Certain rubber lens caps allow you to fold and fold them according to the change in focal length used with zoom lenses.
Based on shape and geometry
So far, we have seen classification based on material type. Now let's take a look at the different classifications based on shape and geometry.
1. Cylindrical Type
They come in cylindrical shape, tube-like structure. Most metal hoods are cylindrical.
The Canon ET-138 (WII) is an example of a cylindrical type metal case and comes with a Canon 500mm f / 4 L ISII lens.
2. Conical Type
Most camera lens covers are tapered.
Canon ET-74 is an example of tapered type. It comes with the Canon 70-200 F / 4 lens and is made of plastic with a felt coating on the inside.
3. Petal Shaped Hood
Petal hoods used with wide angle lenses. This makes the camera more elegant and professional. They are also known as flower hoods.
They are known to perform better at blocking unwanted light when compared to other types. This shape corresponds to the camera's sensor size and aspect ratio. Therefore, you need to be careful when putting on this type of hood. If placed incorrectly, the edges of the shadow may become visible in the actual image.
Folding lens case
It was Lenscoat who created this unique foldable and maintainable travel lens hood design. It is a suitable replacement for the round metal ones used in conjunction with the major telephoto lens. Whenever you want to use it, you need to put it on and cover it along the lens circumference at the end.
It is useful if you want to remove unnecessary weight from the metal hood. The folding hood of the travel lens will help eliminate glare and glare. But, it will not provide the same level of protection as metal as it is bendable.
What does a lens hood?
1. Removes lens flare and glare
Lens flare is an unwanted phenomenon that occurs when you shoot directly into the light. This results in artifacts in the image. Prevents unwanted light from entering the lens. Therefore, the next time you shoot against sunlight, use the camera lens hood to avoid the reflection effect on the image.
Light rays from the sides can make the image look a little hazy, or the image will have no contrast. You can block this unwanted side light entering the camera by using a lens hood. This helps to improve the contrast of the image.
2. Protect the camera lens
It protects the camera lens from accidental shocks against other subjects. Sometimes it can even save the lens against accidental drop; as long as the camera lens is in the open state.
It also helps protect the lens front glass from dirt and fingerprints by blocking its direct access to the lens front. Then you will have better quality images.
3. Make the camera look sleek and more professional
There are many photographers out there who use the camera lens hood to make the camera look better. So if you want to make the camera more stylish, order it. You need to ensure that the hood size matches the camera lens line size. Therefore, you cannot use the same sunshade for all lenses in your camera.
How to use a lens hood?
You need to plug it in front of the lens. Most camera lenses have a thread on the front of the camera lens. It is not the same as the filter thread part. This wire exits the filter wire. Therefore, you need to place it in front of the lens and rotate it clockwise until it locks. If not properly attached, the chances of losing the lens cover are greater.
Larger lens hood uses a different technique. There will be a rotary knob on the side of the hood where it will be attached to the lens. You need to put the hood in front of the camera lens and start turning the knob to connect it.
After you install the lens hood, you can start shooting. It would be nice if you could use it all the time.
When storing and storing camera equipment, you can release the lens hood in the reverse position and tighten counterclockwise.
When not to use a lens hood?
So, let's look at a situation where I think it's best to avoid using lens hoods.
1. Lens flare effect on photos
If you want to add lens flare as one of the elements in the image, you must shoot without the hood. Sometimes the lens flare produces exciting patterns, which enhances the beauty of the scene.
2. Using slot type camera filters
When using slot type camera filters, you must attach the filter card holder to the front of the camera lens. Here you will use a rectangular filter that slides into one of the slots in the filter holder. Therefore, you cannot place the camera lens cap in this condition.
3. When working with extreme angles
When you use an extreme wide-angle lens or a fisheye lens, a portion of the hood may be visible in photos. It will be visible at all four corners of the image. Then you will have to remove the lens shadow.
If you use a lens designed for a smaller sensor camera on a larger sensor camera, you may notice that the lens hood is disturbing the image at the corners.
Now, you know, what makes a lens hood and why you should use it. So the next time you are shooting, especially against sunlight, use a lens hood. You can use it for all types of photography. You would also have learned the different situations in which you should not use it.