Canon 100mm f/2.8 Macro vs 180mm Macro: which is better for macro and general use?
Asked 1/18/2013
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I'm choosing between a 100mm f/2.8 macro and a 180mm macro for Canon. My main use is macro, but I may also want a lens that can do other jobs like portraits or general photography. I understand the 180mm gives more working distance, while the 100mm is shorter, lighter, and can be used with extension tubes or other accessories.
For anyone who has used these focal lengths, what are the practical differences in working distance, handling, and versatility? When does a 180mm macro make more sense than a 100mm macro?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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The main difference is that the 100 f/2.8 is more suited to do double duty as a portrait lens due to the shorter focal length IS and aperture, whilst the 180 f/3.5 offers considerably more working distance for macro photography. It will focus to infinity but is a bit long and heavy for general use.
If you want greater than 1:1 magnification then a reversing ring will give you more mileage than tubes on a 100mm. Ultimately it comes down to how serious you are about macro photography as the 100 is a far better all rounder but the 180 makes a better pure macro lens.
Originally by user1375. Source · Licensed CC BY-SA 4.0
user1375
13y ago
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Generated from our catalog & community — verify before relying on it.
The key tradeoff is working distance vs versatility.
A 180mm macro gives you much more working distance at the same magnification, which is helpful for insects, shy subjects, or situations where being farther away makes lighting easier. The downside is that it’s larger, heavier, and less convenient for everyday use. The longer focal length also makes camera shake more of an issue, so it’s often best on a sturdy tripod or solid support.
A 100mm f/2.8 macro is the better all-rounder. It’s easier to handhold, more practical for general shooting, and can also serve as a portrait lens. If you don’t specifically need the extra distance from your subject, many photographers find 100mm easier to live with.
So: choose 180mm if you’re serious about macro and need maximum working distance. Choose 100mm if you want a more flexible lens that still does excellent macro. For going beyond 1:1 magnification, accessories like a reversing ring may be more effective than extension tubes on a 100mm.
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