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I had a Lensmate adapter on my last camera, a Canon s90, which has no other option for attaching a filter, other than holding one in front of the lens with your other hand. My current camera, a G16, dispenses with the innovative and useful large adjustment ring around the lens (its function is taken over by a small toothed wheel above and to the side), replacing it with a removable cover and mounting system. Canon and several third-party vendors sell a cylindrical adapter that allows you to attach a filter to the camera.This appealed to me as it didn't require making any changes to the camera, but once I tried this method, the drawbacks were immediately obvious. The G16 is not a tiny camera; it measures around 105 x 75 x 40 mm and barely fits in a shirt pocket. This comes out to a volume of a little over 300 cubic centimeters. The cylindrical adapter is 62 mm wide and must be at least 50 mm deep so the lens will not hit it when the camera is on (the one I have has two parts; you can remove the front section and make it a little shorter as long as you only shoot at wide-angle where the lens does not stick out as far). This cylinder is around 150 cubic centimeters - so it makes the camera 50% larger, and in the most inconvenient way possible, changing the form factor from a block to what amounts to a "bridge" or "super-zoom" profile. What was barely pocketable is now impossible - just to gain the ability to attach filters.I now have the Lensmate bayonet mount on the G16, which adds barely anything to the size, and allows filters to be attached much more easily than having to thread them on. It also uses smaller 52 mm filters. Until Canon decides to add conventional threads to this camera line, Lensmate offers the only workable system for attaching filters.

I've owned three Canon G series cameras. G11, G12 and G15. Every one of them has ended up with a badly scratched front element. It's a design flaw that is just a fact of life on these otherwise excellent cameras. I recently had the G15 repaired and decided to put this adapter kit on to protect the front element from stray dust, etc that those lens "doors" eventually drag across the face of the front lens element.Problem numero uno.Installation was straightforward but there are two minor (and not totally unexpected) downsides to this adapter. WIthin a few days of installation the adhesive for the adapter let loose. If you look at the Lensmate site they sell extra precut adhesive replacement for $1 plus shipping. I can see why. Why not just include an extra one with the original purchase?Problem two. If you use the onboard flash at all at the 28mm setting the adapter and attached 52mm filter block part of the flash output and the result is a shadow at the bottom right hand side of the exposure. Most people don't shoot full frame so it probably wouldn't be much of an issue and can easily be cropped. But for pros that use this camera as a backup to their heavy DSLRs and expect to have a fill flash that covers the entire full wide angle frame this is an issue (see attached photo).Overall, this is a very good resolution to a Canon design flaw with the G series cameras, but you might as well order a couple extra adhesives because you're gonna need them.

The G15/G16 is probably the best pocket camera available, but it has a weakness. Thin leaves automatically cover the lens when the camera is off, but the leaves are easily bent. The bottom line is that the G15 is a pocket camera that really cannot be kept in a pocket. The Quick-Change Adapter works by using an adhesive ring to attach a threaded filter adapter to the front surface of the lens mount. I was suspicious that the adhesive would really hold, but so far it has been solid. The included lens cap does the job of protecting the lens assembly.Other solutions I've seen involve gluing a piece of glass over the lens. that's unacceptable because it makes another surface to clean and make internal reflections. There are also filter adapters that affix a large tube around the lens, with means it is no longer a pocket camera.

I wanted the option to add filters to my G16 (circular polarizer, gradient density), but didn't want to change the size, weight, or convenience. The Lensmate system simply adheres a very slim base on the front of the lens, when you then twist on a light adapter to which you can screw a normal 52mm filter. Without the base, there's no visible difference. With the base, the camera still closes and works as normal.Included is a lens cap (which you can use with the adapter or when there's a filter on), a guide tube, and even a unique tool to remove the base. Far superior to Canon's solution (a screwed on tube adapter), this is a clever and well-made product.

I wanted to be able to use this great little camera on my Vortex Razor HD Spotting Scope for Digi-scoping. I had been using my Canon 5D mark III, but I preferred something smaller and lighter that would still shoot raw. Trouble, was the camera lens needed to have filter threads to mount to the Vortex Digital adapter. This works perfectly and barely adds 1/8" to the width of the camera body. Highly recommended. Took less than 2 minutes to put on. Absolutely love it!!!

Very easy to install, low profile, works great. I wanted it to add a lens cap but now I've also added a UV filter.

great filter holder and perfect for the G series Canons. without the filter it only sticks out about an 8th of an inch. there was one point where i bumped it and it fell off. but i quickly re-attached with the existing adhesive and it has not fallen out since.

Really a great product. It's a lot less bulky than those tube adapters you commonly see sold in order to attach filters to your lens.I do recommend using this video tutorial for installation, as no instructions came with my packet[...]