# How far can you zoom with a 400mm lens?

ratio of focal length to sensor width/height is the same as ratio of subject distance to subject width/height. So a subject 2.8ft will fill the frame of a 20D with a 400mm lens when it is 50 ft away..

## How many times zoom is 400mm?

Formula. So, using the formula, we now know we need a 400mm lens to approximate the magnification of an 8x binocular and a 500mm lens to approximate a 10x binocular. And, if you are familiar with camera lenses, you probably know that lenses of those focal lengths are most definitely not inexpensive.

### What is the best focal length for wildlife photography?

No matter the lens, no matter the subject, this is a key concept to better photographs. In wildlife photography, the 400mm is the king at teaching this concept. You will have to zoom with your feet to get the image size you desire often shooting with the 400mm.

### How much does a 400mm lens magnify?

For example, a 400mm lens on a full-frame sensor camera has a binocular-equivalent magnification of 8X (400mm divided by 50mm).

### Is 400 mm enough for bird photography?

Yes, 400mm is enough for bird photography. Don’t just take our word for it either, have a quick look at the Canon 400mm lens group on Flickr to see an impressive assortment of bird photography images shot at this focal length.

## Is 400mm enough for wildlife photography?

No matter the lens, no matter the subject, this is a key concept to better photographs. In wildlife photography, the 400mm is the king at teaching this concept. You will have to zoom with your feet to get the image size you desire often shooting with the 400mm.

### Is 400mm good for wildlife photography?

It’s hard to get close to most wild subjects, so wildlife photographers generally use long lenses: at least 300mm for an APS-C DSLR, or 400mm for a full-frame DSLR or 35mm SLR. If you can get fairly close to larger animals, a 70-200mm zoom can work.

### What size lens is best for wildlife photography?

The best lens choices for wildlife photography

• Canon 100-400mm f/4.5-5.6 II (£1,820 // \$2,000)
• Nikon 200-500mm f/5.6 (£1,150 // \$1,400)
• Sigma 150-600mm f/5-6.3 (£800 // \$1,000)
• Tamron 150-600mm f/5-6.3 G2 (£1,300 // \$1,400)
• Nikon 80-400mm f/4.5-5.6 (£1,750 // \$2,100)
• Nikon 300mm f/2.8 (£4,800 // \$5,500)

What is f in lens? The “f” in f-stop stands for the focal length of the lens. While focal length itself refers to the field of view of a lens, f-stop is about how much light you allow to hit the sensor via the aperture opening.

## How far can 600mm lens see?

Are you asking the minimum focusing distance of that 600mm lens? If so the answer is about 15ft. If you mean how far away can it shoot distant objects then that depends on how big they are and how big you want them to be in the final image. It also depends on whether you are using a Full Frame or APS-C camera.

### What does 400mm lens mean?

Focal lengths such as 300mm or 400mm would be a large, heavy telephoto lens for taking photos of birds or airplanes. Just remember – a small number is wide, a large number is telephoto. Two numbers together, e.g. 35-105mm, means that the lens zooms from one focal length to another.

### Is 500mm enough for wildlife?

At 500mm, this lens is well placed to handle smaller wildlife, including birds. And the lens is light enough (1530 grams), which allows for some portability and handholding in the field.

### Is 600mm long enough for bird photography?

600mm is great if you’re photographing small passerine birds (blue tits, coal tits, sparrows etc). It allows you to fill the frame and get great close-ups.

### How far can a 600mm lens see?

Are you asking the minimum focusing distance of that 600mm lens? If so the answer is about 15ft. If you mean how far away can it shoot distant objects then that depends on how big they are and how big you want them to be in the final image. It also depends on whether you are using a Full Frame or APS-C camera.

What is a 500 mm lens good for? This lens is generally used for sports and wildlife photography. But as you can see, it does a great job for portraits as well. The level of background separation is unreal and the subject really pops in the images. On the minus side, with a lens like this, you need to stand pretty far away from the subject.

Is 400mm good for bird photography? Yes, 400mm is enough for bird photography. Don’t just take our word for it either, have a quick look at the Canon 400mm lens group on Flickr to see an impressive assortment of bird photography images shot at this focal length.

## What is the difference between 300mm and 400mm lens?

The difference between 300mm and 400mm isn’t that great, but bear in mind that the 400mm prime will almost certainly be sharper than the 70-300. As somebody said in a another thread, the angle of view of the 400mm lens will be 300/400 = 3/4 of the angle of view of the 300mm. This is a great tool.

### How far can a 800mm lens see?

Magnification varies directly with focal length, so an 800mm lens would give you twice the magnification and cover 1.7°x2. 6°, or 3×4. 5 feet at a distance of 100 feet.

### Is 400mm enough for wildlife?

However, we consider a 400mm lens to be the ideal focal length in terms of overall capability. It is compact and lightweight enough to use handheld but has enough “reach” to capture a variety of wild birds in detail. A 400mm lens is about as long as you can get without the need for a tripod or monopod.

### Is a 400mm lens good for bird photography?

Variable focal length lenses with a maximum focal length of between 400mm and 600mm are by far the most popular lenses for bird photography as they provide 8X magnification at 400mm and 12X magnification at 600mm when shooting with a full-frame sensor camera.

## Is 400mm enough for wildlife?

However, we consider a 400mm lens to be the ideal focal length in terms of overall capability. It is compact and lightweight enough to use handheld but has enough “reach” to capture a variety of wild birds in detail. A 400mm lens is about as long as you can get without the need for a tripod or monopod.

### Is 450mm enough for wildlife?

It’s hard to get close to most wild subjects, so wildlife photographers generally use long lenses: at least 300mm for an APS-C DSLR, or 400mm for a full-frame DSLR or 35mm SLR. If you can get fairly close to larger animals, a 70-200mm zoom can work.

### Is 500 mm enough for bird photography?

General Bird Photography

Image size is, however, a function of the square of the focal length, so a minimum focal length of 500mm is preferable.

Is 800mm enough for bird photography? To be able to capture birds’ action and behaviour you usually have to have enough focal length to cover a large area as it is not always possible to predict where the action/behaviour is going to take place. Using a long telephoto lens like the 800mm (1120mm with the x1. 4 teleconverter) enables you to do exactly that.

## What do you think?

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