Q: What is the Pentax loupe lens locking ring used for?
A: The Pentax loupe lens locking ring is used to securely hold the lens in place during use.
Q: What is the diameter of the locking ring?
A: The diameter of the locking ring is 2 cm.
Q: Is the locking ring easy to use?
A: Yes, the locking ring is designed to be easy to use, with a simple locking mechanism that allows you to quickly and easily secure the lens in place.
Q: What is the material of the locking ring?
A: The locking ring is made from high-quality stainless steel, ensuring durability and longevity.