Outer diameter 70mm lens cap

临时要出远门，但是镜头盖不见了，随便画一个先用着吧ˊ_>ˋ Going out temporarily, But the lens cover is gone, Just draw one and use it first.ˊ_>ˋ 刚好70mm的，可能会卡得比较紧，慎用 Just fit 70mm, it may be stuck tightly, use it with caution.