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I bought a Tokina 24-200 zoom for my Nikon N60. When do I use the lens hood? Outdoors only? Indoors only? Or use it all the time?
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you'll need a special hood that juts in on the corners. i've screwed up a couple times with wrong hood on wide angle and get that vignetting... dang.
Perfect answer should say all the time. A good lens hood stops stray light from entering the lens onto your image thus causing flare or a loss of image contrast. It also serves as a lens protector for the front of the lens!Now the problem occurs, that there is not, one lens hood length good for all lenes. On a 24mm wideangle , there needs to be a short hood. So as not to intrude into the image (seen thru the lens). Perhaps you've all seen dark corner edges on a print, where the lens sees the hood or shade.
On a longer lens or tele- zoom a long hood is desirable say, 4 to 6 inches covering in front of the lens.
So you can see the zoom lens maker's dilemma. how long can you make a hood . It has to be short for the wideangle portion and never a useful length for your tele. In-order to eliminate glare or flare.
You can compansate by holding your free hand (or piece of paper) over the lens while shooting in open sun. Or find a second longer hood for the times you shoot with the tele 200.
Thanks for the great answer. You explained it very clearly. I have noticed some vignetting on some ofmy prints, but I don't recall whether the hood was on or off on those shots. I guess I need to make some test shots and figure out what works best.Thanks,
JamesPS: I used to have Acoustat Monitor Fours. Great speakers. Only reason I sold them was because my amps were a little finicky and had to get them repaired a lot. Now I'm into horns and have Altec Model 19's.
James
Vignetting ,will also occur on the corner edges of prints due to more than one filter attached to the front of a lens. I try to purchase thin filter mounts. These unwanted effects can be viewed trough the viewfinder while searching the corners before pushing the shutter.Thanks for your words about Acoustats I will always listen to planars . I've owned these since '78 even as I was employed as a motion picture projectionist building several Altec A 7 horns for theater houses.
I hadn't thought about the filter. I have a neutral density polarized screwed onto the front. It appears to be a thin mount, but it's easy enough to take off. Thanks again for the insight.
James
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