Whether you're protecting your lens from rain or shine, a lens hood is the first type of protection. However, they're able to often operate a bit for the pricey side'and aren't even intended for many cameras. This article provides a simple, cheap DIY guide to making your personal lens hood.
PVC Reducer. Navigating the PVC part of the hardware store generally is a bit tricky. What you're looking for may be the piece that functions to reduce the pipes from the larger circumference with a smaller circumference. The smaller circumference will be what fits around the lens barrel of your respective camera, even though the larger circumference will comprise the 'hood."
Bring your camera with you, to be able to try fitting various reducers onto the digital camera to see what is going to fit, and what won't obstruct the periphery of your shot. Now, remember that for some point and shoots the lens barrel will not extend far enough to really have an effective rain hood.
Black could be the best colour for the PVC, since it will cause the least corruption to your light that bounces off the inside in the reducer and in your sensor. Failing that, somewhat sharpie or paint are capable of doing the trick.
Sandpaper. Many reducers have bevels, that might need to be sanded right down to make that fit absolutely perfect. (Note that these bevels might prevent you from fitting the reducers properly at the shop.) You might also need to shorten either side of the reducer so you don't get that vignetting effect from an overprotective lens hood! If it looks like you need to do some serious material removal, it generally is a good idea to get a file.
First, sand away at the small end with the reducer until any bevels or any other obstructions to fitting it onto your camera are gone. Be careful not to force the reducer to the lens barrel, lest you knock a number of guiding pins out of place. It should be a snug, although not uncomfortable, fit. You might need to do a little shaping, in particular when your lens barrel has any protrusions.
Next, you need to sand away at any excess reducer on the big end that may cause vignetting. Test frequently by putting about the proto-lens hood and seeing how a image comes out: could you see any in the PVC? Even when you zoom in and out? Sand until it suits. It might help tape the sandpaper down on a flat surface and grind the entire end down, in order to keep it even.
After that... well, you're done!
For DLSRs, there's no problem: just slip it on if you want to use it and you're simply good to go.
For point and shoots... you take into the problem of the lens barrel not being extended at all times. What I would recommend because of this is having the digital camera on not until you're ready to shoot, and between shots to keep it on even though the LCD screen stays off. Make sure to disable the automatic switch off, as with the lens hood onto it could potentially damage the lens barrel as it attempts to retract.
It is advisable to make use of a rain hood together with any lens hood, that is certainly, a plastic bag that surrounds you got it in a protective waterproof sack. This will keep your camera completely free of water and the damage it can.
Otherwise... this lens hood should prove suitable for keeping your haze with the Sun out from the corner of your respective camera, and the rain off of your lens!
For the inspiration for this article, look at this Instructables guide for creating a lens hood for the Panasonic Lumix.
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