Which telephoto lens for taking birds?

Started 11 months ago | Discussions thread
YWG Contributing Member • Posts: 965
Re: Which telephoto lens for taking birds?

adonetok wrote:

I have a Canon 90D camera and want to take photos for birds.

Which telephoto lens is good to buy?

Canon or Sigma?

Do I need a big number like 500mm above?

I've run the Canon 100-400mm mkI on my 7D1 which equats to 640mm on the long end. Also do the 100-400mm Panasonic on my E-M1 which is 800mm on the long end. I find both can be adequate for large birds like Bald Eagles, Great Blue Herons, buzzards, various cranes etc with a little luck when they pass close or sneaking up on them inch by inch.

Hawks and harriers, some owls tend to be smaller and tiny birds like chickadees, sparrows, hummingbirds require a lot of luck to get placed and sneak up (without baiting).

I've used the Sigma 800mm F5.6 for eagle season which is 1280 equivalent. It is a huge lens but the reach is good.

I find my 16-20MP sensors crop well at 2x and okay at 3x. The 90D with the additional resolution could stand better at 3x but I'd still opt for as long as possible -150-600mm third party might be an option without incurring too much expense.

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