JJC ALC-G1XM3 Auto Lens Cap is specially designed for Canon PowerShot G1X Mark III camera. When the lens extends, the 3 leaves will automatically open. So you do not need to remove the lens cap when shooting. When the lens retracts, the 3 leaves will automatically close. At this time, this lens cap can help you better protect your lens, and make it away from dust, moisture and scratches like other lens caps. No vignetting will be caused with this lens cap on. You can even mount a filter on your lens without detaching the lens cap. With this auto lens cap, you will never worry about misplacing or losing your lens cap any more.
 
Product Highlights
Specially designed for Canon PowerShot G1X Mark III camera
The 3 leaves of lens cap will open and close automatically
No need to remove it when shooting
Protect your lens away from dust, moisture and scratches
No vignetting will be caused with this lens cap on
This auto lens cap can be used with a filter
Never worry about misplacing or losing your lens cap any more