Moondog Labs - This is the @moondog_labs 1.33X Anamorphic Lens Bayonet Mount with our 52mm Filter Mount and 3-stop ND Filter attached to an iPhone12 Pro Max via the @polarpro LiteChaser Pro
Multi-Camera Filter Mount V3 - Moondog Labs
52mm Filter Mount - for Anamorphic Lenses - Moondog Labs
Moondog Labs 52mm Filter Mount for Moment Lens 06116 B&H Photo
Moondog Labs 52mm Filter Mount for Moondog Labs Anamorphic 06115