ET-60 hood is suitable for Canon lens EF 75-300mm f/4-5.6III USM
Detailed instructions of the product:
Applicable lens: Canon EF55-250 EF75-300 F4-5.6, EF90-300 F4.-5.6 usm.
![](http://img.alicdn.com/imgextra/i3/12572646/T2_2tAXihXXXXXXXXX_!!12572646.jpg)
The role of the hood:
The hood is a commonly used photographic accessory before the camera lens, with a variety of textures such as metal, hard plastic, soft glue. It has the following role:
1. When photographing, lateral light or flash photography, it is possible to prevent the incoming image of light and avoid fog.
2. When photocporting in the smooth and lateral light, the surrounding scattered light can be avoided into the lens.
3. When photography or night photography, you can avoid the surrounding interference light into the lens.
4. Can prevent accidental damage to the lens, can also avoid fingers to touch the lens surface, and can partially cover the sand, rain and snow to some extent.
The hood is widely used in backlight photography, which is generally avoided. However, if the light source is close, it is still possible to make glare. At this time, the hood can be blocked by hand on one side where the light source is located. Whether the glare is eliminated, it is clear from the viewfinder.
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