EF 70-300mm DO IS USM or EF 100-400mm F/4 L IS USM

Started Jan 23, 2013 | Discussions thread
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NancyP Veteran Member • Posts: 5,319
Re: EF 70-300mm DO IS USM or EF 100-400mm F/4 L IS USM

DDG forward deployed? Thank you for your service, whatever that ship might be.

What focal length do you need most? Do you shoot small items at a distance and really want that  400mm reach? For birders, I would say, go with the 100-400mm.   A lot of people shoot 100-400mm f/4-5.6 L IS hand held with good results. Have you considered the 70-300mm non-DO L IS? That lens is slightly longer than the DO, considerably shorter than the 100-400, and is said to be sharper than the DO.

Do you need weather-proofing? You might consider a plastic bag system or a Lens Coat RainCoat (standard) to keep salt off your kit. But you are likely doing this already.

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Sigma DP3 Merrill
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