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Tamron 28-300mm And UV Filters  
User currently offlineWiL SW737 From , joined Dec 1969, posts, RR:
Posted (14 years 4 months 1 week 1 day 4 hours ago) and read 2666 times:

Hi Everyone!

Today I purchased a Tamron 28-300mm lense. I also bought a UV filter. I have a couple of questions:

1.) I was moving the focus ring around to test it and to see how well it zooms. I didn't know that I wasn't suppose to move it around while it was on the autofocus mode. I read the manual and it said that if I forcibly turn the focus ring by hand when it is in the autofocus mode, it may damage the lens or the interior of the camera. But I was moving it around while the camera was off. Is this okay or will it still damage the lens and camera?
2.) Can I move the zoom ring around manually or is it also automatic like the focus ring? I know this question might be stupid, but I'm a beginner at this stuff.
3.) Is it okay to move things around,(focus ring, zoom ring) while the camera is off or will that damage the lens and camera?
4.) Do I manually move the zoom lense or will there be something that will automatically do it for me? Is the automatic only for the focusing or is it also for the zoom?
5.) If I move the zoom lock switch outward, does that mean it is locked or is it locked when it is pushed inward?
6.) Do I really need to use the lens hood to take pictures? Will it make the pictures better?
7.) I also bought a UV filter as I mentioned. I don't know why I bought it but the clerk convinced me too. What exactly is a UV filter for? Where does it go on the camera? Does it inprove the picture?

Those are all the questions I have. I hope someone can answer all of them or at least some of them. Answer as many as you can please. I know that some of these questions might be dumb, but remember I am a beginner so please help me out. I would really like to know because I don't want to damage the lens or the camera.

Any answers will be greatly appreciated. Thanks in advance!

-WiL SW737

3 replies: All unread, jump to last
 
User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 4 months 1 week 10 hours ago) and read 2465 times:

I know nothing about your lens or automatic lens (I use manual). The UV filter reduces haze and UV exposure to the lens. This will make pictures less faded, sharper, bolder, ... Also serves to protect the lens from foreign objects. It goes on the end of the ends (where light enters, not the camera end).

Might I ask what the lens cost you?


User currently offlineDazed767 From United States of America, joined May 1999, 5489 posts, RR: 51
Reply 2, posted (14 years 4 months 1 week 7 hours ago) and read 2460 times:

I have the same lens, here are my answers to your questions.

1.) I was moving the focus ring around to test it and to see how well it zooms. I didn't know that I wasn't suppose to move it around while it was on the autofocus mode. I read the manual and it said that if I forcibly turn the focus ring by hand when it is in the autofocus mode, it may damage the lens or the interior of the camera. But I was moving it around while the camera was off. Is this okay or will it still damage the lens and camera?
THE FOCUS AND ZOOM ARE DIFFERENT THINGS. YOU CAN MOVE THE ZOOM IF IT'S ON OR OFF, AND IT WON'T HURT IT. IF YOUR TRYING TO MOVE THE FOCUS RING WHILE IT'S ON AUTOFOCUS, YOU COULD BREAK IT.

2.) Can I move the zoom ring around manually or is it also automatic like the focus ring? I know this question might be stupid, but I'm a beginner at this stuff.
YOU DO IT MANUALLY.

3.) Is it okay to move things around,(focus ring, zoom ring) while the camera is off or will that damage the lens and camera?
IM NOT SURE ABOUT THE FOCUS, BUT IM SURE IT WOULD BE FINE IF YOU ZOOMED.

4.) Do I manually move the zoom lense or will there be something that will automatically do it for me? Is the automatic only for the focusing or is it also for the zoom?
IT ONLY AUTOMATICALLY FOCUSES.

6.) Do I really need to use the lens hood to take pictures? Will it make the pictures better?
ARE YOU TALKING ABOUT THE PLASTIC COVER OVER THE LENS? I'VE TAKEN PICS OF THE SAME OBJECT WITH IT ON, AND WITH IT OFF. NO DIFFERENCE IN QUALITY. I JUST LEAVE IT ON THOUGH, PROTECT THE LENS FROM ANTHING GETTING ON IT.

7.) I also bought a UV filter as I mentioned. I don't know why I bought it but the clerk convinced me too. What exactly is a UV filter for? Where does it go on the camera? Does it inprove the picture?
I GOT ONE TOO, I DIDN'T CARE FOR IT AT FIRST. BUT LIKE FLYF15 SAID, IT MAKES IT CLEARER AND HELPS PROTECT THE LENS. BECAUSE IT'S A LOT CHEAPER TO REPLACE THE UV LENS IF IT GOT SCRATCHED, THAN IF IT WAS THE ACTUAL LENS. I TOOK SOME PICS OF THE SUN SETTING AND THE PLANES TAXING OUT, AND THE UV LENS HELPED.

I HOPE THIS HELPED SOME. EMAIL ME IF YOU HAVE ANYMORE Q'S.




User currently offlineExnonrev From United States of America, joined Oct 1999, 621 posts, RR: 4
Reply 3, posted (14 years 4 months 5 days 16 hours ago) and read 2453 times:

As long as the autofocus switch on the lens is on manual, you can turn the focus ring safely whether the camera is on or not. It's OK to zoom anytime.

Lenshoods help reduce flare. Flare is the "sunburst" effect that sometimes shows up in photos shot in extremely bright sun. It's caused by intense light reflecting between the elements inside the lens. Zooms are more prone to flare than fixed focal length lenses.

Have fun with your new Tamron. I bought their 200-400 (Canon EF version) a few years back. Great lens.


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