The lens is protected by this cover really well against mechanical shock (eg fingers, sand grains and other items), because the lid is firmly on the lens and so can not fall off unnoticed by the good clamping action. Furthermore, not rattle the very easy to handle lid. However, Deckelscherung's hard be threaded without Hilsmittel - here aids Note: short thin binding wire - the wire end bend a small hook - the loop of securing thread hang there - squeezing with pliers the hook with thread and so pinch - the Einfäden in the cover bore can now be done with the prepared wire. After the clamping bend, so that the safety thread is freed from the wire ... Some households also have suture threader for needles. This can be the OA Einfädelproblem without major handicrafts solve very well. The delivery of the cover itself was carried out as usual without problems
