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Close up filters
What are they for?.

Tiffen 52mm Close up Kit +1 +2 +4.

I bought this set (plus a hoya neutral density filter for $13 on ebay) thinking they'd allow me to do macro photography with my kit lens (18-55mm), but now that I've messed with them, I see I was very wrong - I can't focus on anything close... if I use anything higher than the +1 filter, then I cannot focus closer than about 20 feet...

Comments (5)

Diopters are for close-up photography, and are often used instead of a dedicated macro lens or extension tubes. They generally focus *very* closely, so with one on a lens, you'll have to move in and out at a close distance to your subject to get used to focusing with them. Start about half an inch out and move back until you get focus..

Paulhttp://PaulDRobertson.imagekind.com..

Comment #1

Thanks for the reply ... I just realized what I was doing wrong and figured I'd post it in case anyone else comes across the same thing..

The close-up filter MUST be the first filter on the camera (I've got a UV filter on for protection, then put the close up on after it). Works great now  .

Thanks againRobert..

Comment #2

Rball5 wrote:.

Thanks for the reply ... I just realized what I was doing wrong andfigured I'd post it in case anyone else comes across the same thing..

The close-up filter MUST be the first filter on the camera (I've gota UV filter on for protection, then put the close up on after it).Works great now  .

Robert, forget the UV filter, IMO. The kit lens is only a tiny bit more expensive then a good UV filter (one that is multi-coated)..

I too have a basic set of close-up "filters". BTW, they are NOT really filters. The correct name is "close-up lens". Those CU lenses you have are not very good. Sorry. If you care about the pix being good, get an achromatic CU lens.

It also is quite expensive and thick (those lenses you have are very thin, but an achromatic lens has two elements and will be about 1/2" thick..

Here is a list of most of the achromatic CU lenses:.

Http://www.1derful.info/RefData/CloseUpLenses2.htm.

Some of them are NLA. Watch craigslist.com for used ones. Try to get a Canon 250D or a Sony VCL-M3367 if you need a bigger (diameter) one..

Charlie DavisNikon 5700 & Sony R1HomePage: http://www.1derful.infoBridge Blog: http://www.here-ugo.com/BridgeBlog/..

Comment #3

Chuxter wrote:.

Those CU lensesyou have are not very good. Sorry. If you care about the pix beinggood, get an achromatic CU lens. It is corrected so that chromaticaberation is controlled. It also is quite expensive and thick (thoselenses you have are very thin, but an achromatic lens has twoelements and will be about 1/2" thick..

Thanks for the reply... I'm not too worried about the pictures being perfect - I just picked these up to play around with, and I'm happy with the few pictures I've taken with 'em..

I do see a Canon 500D on ebay right now...Robert..

Comment #4

Rball5 wrote:.

Thanks for the reply... I'm not too worried about the pictures beingperfect - I just picked these up to play around with, and I'm happywith the few pictures I've taken with 'em..

Actually, single element supplementary close-up lenses are quite OK, if you are careful and don't expect too much of them..

Stop down the aperture ... which you are going to have to do anyway in order to get sufficient DoF in close ups. I suggest f/8 for a minimum..

Try to use the lenses one at a time. Although it is tempting to get the power of a stack of CU lenses, aberrations are increased... (however, see software hint below).

Get hold of "PTLens" lens aberration and distortion correction software. It will make ALL your lenses into 'better' lenses. As far as I'm concerned, this software is must-have. It is well supported, and not expensive..

Http://epaperpress.com/ptlens/index.html.

Check out the examples... [that should get you convinced..].

Http://epaperpress.com/ptlens/index.htmlRegards,Baz..

Comment #5

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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