2. Although the sparrow is small, it has all aspects, and the humanized connotation design makes it no longer troublesome to change the mirror at any time;

3. Easy to carry, easy to carry, if you want to change, I will change;

4. The left and right signs are clear, the screws are tightened, and there is no dislocation. It is safe to put the lens here;

5. Cleaning solution, lens holder and lens stick are all available.