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05/25/2007 12:28:42 PM · #1 |
| i want to get good shots of dragonflys and butterflys etc i have narrowed my options down to the sigma macros but am unsure of what lens to go for the 70mm 105mm or the big 150mm i have a 400d will they be made a bigger focal length was thinking of the 105 and also use it for portraits??? advice please am stuck :-( |
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05/25/2007 02:47:15 PM · #2 |
| The longer the lens the more working room you have between you and the subject. The 150mm sounds pretty good. |
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05/25/2007 03:33:56 PM · #3 |
I use Nikon 105 f2.8. 105mm works well for me!
Originally posted by chickenloop:
i want to get good shots of dragonflys and butterflys etc i have narrowed my options down to the sigma macros but am unsure of what lens to go for the 70mm 105mm or the big 150mm i have a 400d will they be made a bigger focal length was thinking of the 105 and also use it for portraits??? advice please am stuck :-( |
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05/25/2007 08:48:20 PM · #4 |
| but would it not be better to get the 105 as the f stop goes to f45 and the other 2 lenses are about f22? this is what is confusing me a bit |
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05/25/2007 09:06:25 PM · #5 |
| scroll down to the lenses section here - some great concise info |
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05/25/2007 09:51:55 PM · #6 |
Originally posted by chickenloop:
but would it not be better to get the 105 as the f stop goes to f45 and the other 2 lenses are about f22? this is what is confusing me a bit |
It's very rare that you would ever want to go beyond f/22, especially when shooting dragonflies and butterflies. In fact, some people argue that photos actually start to lose sharpness above f/29 or so. The Sigma 105mm is a great lens, but I wouldn't let the aperture be the primary factor in your decision.
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05/26/2007 03:37:43 AM · #7 |
The 70-300 you have should be pretty good at shooting butterflies and dragonflies. Typically they fly away when you get too close - anything less than 100mm you run the risk of scaring them away. And, you need less DOF when you are further away.
On another note, the Canon 100mm F2.8 is a very sharp lens and its great for other sues as well, such as portraits. |
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