Based on this product's specifications, here are some alternatives and similar models
Lens protection film 3MK for Oppo Reno 7 Lite 5G — 1 pc
Summary description:
Protective lens film 3MK designed for the Oppo Reno 7 Lite 5G camera module. Supplied as a single-piece pack, the product provides scratch and dust protection for smartphone camera lenses without changing device functionality. Suitable for users seeking basic optical surface protection after purchase or repair.