Is the Sony FE 100-400mm sharp enough for wildlife?

Yes. Owners and reviewers report sharp results across the frame, even wide open, which suits birds and animals at distance.

Does it work with Sony teleconverters?

Yes. It accepts the Sony 1.4x and 2x teleconverters, giving 140-560mm or 200-800mm, though each cuts light and can soften detail slightly.

About 1,395 g without a body or tripod collar. That is heavy for handheld shooting, so a monopod helps on long outings.

Is the f/4.5-5.6 aperture a problem?

In bright daylight, no. At dusk or indoors it is slow, so you will need higher ISO or a faster prime for low-light action.

The lens, front and rear caps, a lens hood, a tripod collar and a soft case. A body and memory card are not included.

Is it worth it over the Sony 70-200mm f/2.8?

Choose this lens for reach to 400mm in a lighter, cheaper package. Choose the 70-200mm f/2.8 for low light and shallower depth of field.

Sony FE 100-400mm f/4.5-5.6 GM OSS E-Mount Lens

Last price we saw

$2,798.00at Best Buy, last seen Nov 7

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Our take on the Sony FE 100-400mm f/4.5-5.6 GM OSS E-Mount Lens

The Sony FE 100-400mm f/4.5-5.6 GM OSS is a full-frame E-mount telephoto zoom for sports, wildlife and action. It is part of Sony's G Master line, with dual linear motors for fast, quiet autofocus, built-in Optical SteadyShot and a push-pull zoom ring. It weighs about 1,395 g and accepts Sony's 1.4x and 2x teleconverters. It is a premium lens, so expect to pay a four-figure price at any store.

Best forWildlife and bird photographersSports and action shootersFull-frame Sony mirrorless ownersTravelers who want one long zoom

Pros

Sharp across the frame, even wide open
Fast, quiet dual linear-motor autofocus
Built-in Optical SteadyShot stabilization
Push-pull zoom ring for quick focal changes
Works with Sony 1.4x and 2x teleconverters
Weather-sealed, sturdy G Master build

Cons

Sony FE 100-400mm f/4.5-5.6 GM OSS E-Mount Lens prices at every store

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$2,798.00Free shippingObserved at 12:01 PM
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Sony FE 100-400mm f/4.5-5.6 GM OSS E-Mount Lens price history

Lowest price we've seen: $2,798.00 on Nov 7 at Best Buy. Tracked across 1 store since Nov 7.

What reviewers say

Owners rate this lens highly for sharpness, fast autofocus and the push-pull zoom. Most complaints are about weight and the slow maximum aperture at 400mm.

What people mention

SharpnessPraisedOwners say images are sharp wide open and across the frame.
AutofocusPraisedReviewers report fast, quiet focusing that tracks moving subjects well.
WeightCriticisedMany owners find it heavy for long handheld sessions.

Questions and answers

Is the Sony FE 100-400mm sharp enough for wildlife?: Yes. Owners and reviewers report sharp results across the frame, even wide open, which suits birds and animals at distance.
Does it work with Sony teleconverters?: Yes. It accepts the Sony 1.4x and 2x teleconverters, giving 140-560mm or 200-800mm, though each cuts light and can soften detail slightly.
How heavy is it?: About 1,395 g without a body or tripod collar. That is heavy for handheld shooting, so a monopod helps on long outings.
Is the f/4.5-5.6 aperture a problem?: In bright daylight, no. At dusk or indoors it is slow, so you will need higher ISO or a faster prime for low-light action.
What is in the box?: The lens, front and rear caps, a lens hood, a tripod collar and a soft case. A body and memory card are not included.
Is it worth it over the Sony 70-200mm f/2.8?: Choose this lens for reach to 400mm in a lighter, cheaper package. Choose the 70-200mm f/2.8 for low light and shallower depth of field.