This kind of case paired most of Ulanzi lens and can protect your phones well, with a reasonable price you can get it with Ulanzi lens all together to make professional phone shooting.
Product Description:
With 17mm thread interface almost fit every Ulanzi lens
It is designed for Samsung can fit your phone really well in every detail
This specially designed protecting case is compatible with Samsung S20 to offer protection against scratches, bumps, drops, and abrasion. All-directional protection included