Used this to transport my Nikon bodies with telephoto lens attached.Well made product and comfortable once adjusted.A bit on the pricey side but works well Transported Nikon 200-500mm lens along with Sigma 70-300mm lens attached to camera bodies and was comfortable even after several hours

This filter performs as expected. I put it on my Nikon D40 telephoto lens to protect it and it does. Price was good and not made in China.

I used this to carry a Nikon D3100, a telephoto lens, filters, and numerous small packages of electronic gear on a round-the-world trip in 2012. It was very easy on the shoulder andthe items were easy to access with the pack on the shoulder. Very good exterior padding and velco assisted sectioning inside.

Nice telephoto lens for the money I had been looking for a while couldn’t afford the others like 2500.00 and up this on does just as good and a lot cheaper

Part 1 - Minolta MD to Sony NEX adapterTechnically, it slightly overshoots infinity but the issue is easily corrected by dialing back the focus ring just a tad --- Not exact but clearly better than not-at-all.Although very light due to extensive aluminum usage, the build quality and fit-and-finish of the adapter is superb. Connections on the lens and camera mount sides are tight and precise --- absolutely, zero slop. The top of the lens release button is flattened making the lens removal process very easy and comfortable.Other notes:- There are no electrical connections so focus and zoom must be done manually on the lens itself- When mounting the lens, turn the adapter clockwise till you hear a "click"- Tested with a Minolta 85mm f/1.7 Rokkor-X MD lens mounted to a Sony a6000 camera-----------------------Part 2 - Nikon Ai to Sony NEX adapterEdit: Based on my positive experience with the Minolta MD adapter, I also purchased the Nikon Ai adapter later.As with the Minolta MD adapter, the Nikon Ai version focuses beyond infinity a tiny bit. Fortunately, the same solution applies - dial back the focus ring and the horizon will become crystal clear. The build quality is impeccable and the finish is smooth and clean of burrs or machine marks. Connections on both sides are taut and precise with zero play.Additional notes for Nikon Ai adapter:- No electrical connections present so focus and zoom must be done manually on the lens.- Unlike the Minolta MD adapter, mounting the lens for Nikon adapter requires a counter-clockwise turn until you hear the "click" of the locking mechanism- Tested with a Nikon Micro Nikkor 55m f/2.8 Ai-S MF lens mounted to a Sony a6000 camera

Definitely a good lens, probably use it more than telephoto lenses.

I'm giving this 4 stars - 5 stars for what it does, and 3 stars for the fiddly.I use a Panasonic Lumix G6 MFT camera, and use full-size DSLR lenses with adapters for telephoto along with the occasional adapter that doubles the focal length of the kit lens. Hey, I'm on a budget!The Booster absolutely performs as advertised. When I first got it, I noticed that it was, well, *plasticky* and didn't feel very strong. It came with two adapters for the hot shoe (which I promptly misplaced but found again), and full directions. It took a bit of fiddling with the shoe mounts to get it seated correctly on the camera. I found that the only way to get it to perform properly was with one of the shoe adapters. With an adapter and the Booster in place, miracles happen.Everybody knows that the pop-up flash that every camera comes with is pretty much crap. Well, this little item with the War of the Worlds looking fresnel lens solves a lot of the issues.This will not work with your regular kit lens. This is meant for telephoto distance shooting, and that's how it best performs. Anything shorter than telephoto means that you'll have a blown out white circle in the middle of your picture! Ask me how I know...The pros of this item are pretty simple: It gives your pathetic pop-up enough power to brighten telephoto pics. After the fiddly part is done, it works perfectly. And it's made in the USA. Boom.The cons are simple, too: Plasticky feel, but may be stronger than it seems. It works on telephoto and ONLY on telephoto. Wish that they'd make one for wide angle!So to sum it up, I'm completely happy with the device and like the way it works. I just wish that the fit and finish would give me a little more confidence in its longevity. If it lasts, I will update it to five stars.

It's my first telephoto lens, but the results look great.