Quote:
Well, they make a 24mm lens that says "Macro" on it, but like many Sigma and Tamron lenses, that just means that they can focus closer, e.g. 1:2 instead of 1:4.
http://www.dentonimages.com/lensover...ACRO_%284/3%29
Quote:
Originally Posted by woodpigeon4

Okay, thanks for clearing that up. So, as I don't want an adaptor I'll either be getting a Zuiko or Sigma lens. Can you perhaps point me in the right direction as to Sigma lenses that fit my camera that you'd recommend.
Sorry if this seems like I'm being lazy, but I don't want to run the risk of buying something that doesn't fit my camera, especially if I'm buying the lens on ebay.
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http://www.dentonimages.com/review_l...&brand=Olympus
One big thing about macro lenses to know before buying, besides what has already been mentioned: focal length and working distance. Working distance is the exact distance required from the camera to the subject to get 1:1 magnification. Move further, and the magnification is less, move closer and it won't focus.
This matters depending on what you shoot. For example, I once had the Canon EF-S 60mm f/2.8 macro lens, one of the best lenses I've used. To get 1:1, I had to be approximately 2 inches from the subject. That's pretty close and can be difficult when shooting fast moving insects or whatever.
The greater the focal length, the greater the WD at 1:1. So if you use a 150mm macro lens, the working distance is more than doubled at 1:1, allowing you to be further from your subject without disturbing it.
The only drawback to using longer focal length macro lenses is that the greater the focal length, the more difficult it is to hand held (this is true in general for any kind of lens). Of course you can use monopods and tripods to combat this.
I would suggest a nice middle-of-the-road focal length like 100mm or so, or alternatively you could rent a few lenses (
http://www.lensrentals.com/category/...ty/for-olympus) and see which FL you prefer.
Also, check the Wiki for this stuff, it's actually helpful:
http://en.wikipedia.org/wiki/Macro_photography