Sony Multi-Coated Protector Filter ( 40.5mm-82mm )Description The Multi Coated Protector Filter from Sony is a general use, clear screw on filter that protects the front element of your lens against scratches, dirt, dust, debris and moisture. It also provides additional protection in case of drops. The filter provides no additional coloration or contrast, allowing you to pair it with others, and can be left on your lens at all times. The filter is treated on both sides with the Carl Zeiss T* coating

6" / W: 59

and near-silent focusing performance to benefit both photo and movie applications

3 x 1/8" / 3

8 constant maximum aperture to suit working in available lighting conditions

Ultra-Low Dispersion (UD) elements are featured in the optical design

Canon has taken care with the optical design

The mount will work with all Sony Action Cam models when they are in a waterproof housing or skeleton frame

Color temperature of 5600K (±200K)

from the auxiliary flash with built-in neutral density filter to the redeye-reducing "Cobra" design of the flash head itself

14mmComparable APS-C Focal Length: 21 mm

5 seconds with alkaline batteries

the lens features multiple physical controls