Designed for Runcam Night Eagle 3 v2 (might work with v1 with modification)
Replaces existing M12 lens mount to allow proper image focus when using the following lens replacement.
CS Lens Mount to M12 Adapter
https://www.amazon.com/gp/product/B07BGWHXPR/
F1.0 6MM ⅓" Lens, CS Mount
https://www.aliexpress.us/item/3256805050696692.html