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11-19-2009, 12:04 PM   #1
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setting for indoor

Hi
I have my Pentax K-7 and 18-55mm f3.5-56 lens. How can i setting for indoor? I tried to shoot it but little blurry. Not enough fast. My kids play around indoor. Can you inform me how to setting? Thanks.

11-19-2009, 03:51 PM   #2
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Blurry pictures are from too slow a shutter speed. To get faster shutter speeds, turn the ISO up higher and/or make the lens aperture larger (smaller f-number), using any of the camera modes that let you select ISO and aperture. But you may find your lens just doesn't *have* a large enough aperture (it's only f/5.6 at the 55mm end) to get a fast enough shutter speed even when you icnrease ISO as high as you can stand. That's why people buy lenses with larger maximum apertures, like f/2.8 or better.
11-19-2009, 03:53 PM   #3
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Moved to Beginners Corner. This definitely isn't about style or technique.
11-19-2009, 04:24 PM   #4
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As said, increase the shutter speed. Read about the effects of aperture, shutter, and ISO. For starting out, you can use Tv mode. Read about what shutter speeds are acceptable for freezing certain types of action.

11-19-2009, 04:27 PM   #5
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Indoors, the best way to freeze any kind of fast action will be to use flash, particularly if you're relatively close to the subject. Otherwise a faster lens as Marc says is the only other way to go.
11-19-2009, 05:28 PM   #6
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Ok I guess my 18-55mm lens is not good for indoor. I am looking 16-50mm f/2.8. it have low light.. I guess so.
11-19-2009, 05:35 PM   #7
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There are other options for fast lenses you want to use indoors without flash.
f/2.8 may be fast, but not very fast. Depending on what you like to shoot, but if it's just kids, the affordable fast fifty - the FA 50 f/1.4 lens is the most cost-effective way to get a good quality lens that is one of the fastest available.
11-20-2009, 10:27 AM   #8
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Ok About 50mm f/1.4 there have two: Sigma or Pentax. Which one is best? does they have 16mm f/1.4 because more wide. I think 50mm is too close and cannot be wide. I guess so. Thanks.

11-20-2009, 02:05 PM   #9
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I doubt if anyone has made a 16mm lens with an aperture anywhere near as wide as f/1.4. f/2.8 is the largest aperture one ever sees on a lens that wide (eg, the Zenitar 16/2.8, or the Pentax DA14/2.8). But it's rare to need that large an aperture when shooting that wide. Are you sure you'd really need a lens that wide in the first palce, though? That's wider than your 18-55 at the 18 end. And note, at the 18 end, the 18-55 does f/3.5, which is almsot as good as f/2.8, so there really isn't much to gain in the speed department by going to a different lens for wide angle.

BTW, there are far more than two 50/1.4's, but the Pentax FA50/1.4 is probably the best for the money if you limited conisderation to brand new lenses with autofocus. There is also a DA*55/1.4 that is better but much more expensive. However, if you can deal with manual focus, then there are *tons* more options for *much* less money (eg, an M50/1.7 that typically costs about $30).
11-20-2009, 02:10 PM   #10
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Or if you really want autofocus, then you can consider investing in the new Sigma 30mm f/1.4 lens for Pentax. A little wider and just as fast as the 50mm varieties.
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