Best air filter, just make sure not to over oil it.

When I purchased my Nikon SB-900 flash unit, I'd heard stories about similar models overheating and even catching on fire at times of heavy use. To this date, I've had no such problems and I couldn't be happier with it. I've used my SB-900 many times and I still have a lot to learn about all the features it has. There are several features such as using a fraction of the power, manual, TTL, etc.One problem I've had deals with using the flash while having a large lens shade on the lens. The large shade will often cause a shadow to appear at the bottom of the photograph. As long as I remember to remove the lens shade when using the flash, there is no problem. Something else I've learned from experience is to use the slide out diffuser on the SB-900. It really makes a huge, unbelievable difference. Without the diffuser, the light illuminates a limited area of the photograph. With the diffuser, the light spreads out to cover much more area and it is a far more pleasing, softer light.This light has been discontinued in favor of the SB-950 but I wouldn't hesitate to buy another SB-900 flash. For beginner or experienced photographer, this is an awesome flash.

Best air filter in the market. Can't go wrong with K&N.

Excellent shade for the intended lens. Actually, better than expected. The fit is perfect, even reversed. An added bonus: it has a small recessed button that locks the hood in place; it cannot be removed without pressing while turning.I have purchased many after market shades for other lenses and, while the all work fine, the fit and features of this Canon shade justifies the extra cost.At first I balked and was even a bit angry that no after market shade for my Canon 50mm f8 lens was available on Amazon. But after seeing what I received for my money, I was delighted with the purchase

I have been using this filter to protect my lens and it has done the job.

Best filter for anything that uses a oil filter. Air filters are the best.

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 Best lens ever!

I stick this near the edge of my caps. The elastic leash is the fitted over the lens body. If you have a deep lens shade you might not be able to leave the shade on and use this device. Works for me.