1. Dust prevention
The lens is afraid of dust, fingerprints and dirt, which will seriously affect the shooting effect, but this also
It's hard to avoid. Without the protection of the
lens cover, even if you don't touch it, there will be some fine dust
Run and flatter it. If there is dust or dirt, do not use hard paper, paper towels or meals
Wipe the lens with tissue paper. Instead, you should choose professional lens paper, lens brush, lens cleaning suit and so on.
2. Waterproof
We all know that digital products are afraid of water, unless they are professional waterproof cameras and waterproof lenses. Ordinary phase
The waterproof performance of the machine is not particularly good. The instructions inside say that it can be used in rainy days, smog and freezing weather
Use. Although the lens cover will not have obvious protective effect, it can also play a certain protective effect
, you can still have this.
3. Protect the lens
The lens protection here mainly means to avoid scratching or damaging the lens. This is mainly for some special situations.