M39 Lens Mount to Sony E Camera Mount USP_Spray refill it reduces light by 3

it reduces light by 3 stops across half the frame

secure compatibility between your Pentax K lenses and Leica L mount cameras

secure compatibility between your Nikon F lenses and C-Mount cameras

- Electronic cross-system compatibility

and reflective surfaces

M39 Lens Mount to Sony E Camera Mount USP_Spray refill it reduces light by 3The M39 to Sony E Mount Adapter enables seamless, secure compatibility between your M39 lenses and Sony E mount cameras, without compromising optical performance or manual control. Manual cross system compatibility Precision fit machined threads Durable, warp resistant aluminium Anti reflective matte interior No optical interference Lifetime warranty