Name: HD version refers to the Universal SLR dive bag (20 meters waterproof effective)

Model: GQ-518M / L

Specifications: High 17.5CM， width 19CM， 7.8CM thick

Long shot: GQ-518M is 10CM (GQ-518L is 14CM)， the space inside the lens diameter 10CM

Transparent lens effective diameter 8CM (For details， please see the following detailed picture representation)

Color: sea blue， stylish orange， white， classic black， apple green， chocolate color， brushed thoroughly.

Material: High-quality polycarbonate + PMMA + PVC reinforcement material + ABS
The maximum water depth: 20 m
GQ-518L (mirror long 14CM) suitable telescopic lens in the lens distance between 11-15 cm， and why it can be used to 15CM， because in your lenses stretch to 11CM， because of insufficient length of the lens case， it will automatically the extra length of the body transferred to the waterproof space does not affect the use of feelings， such as 18-13524-105 use GQ-518L (mirror long 14CM) is very good， such as the need is short， you can choose GQ-518M (lens long 10CM)