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Full Body Lens on APS-C vs APS-C Lens on Full Body Defined • PhotoTraces


Do you wish to know the distinction between a full body lens on APS-C vs APS-C lens on full body? Do you wish to know which lenses can mount on which cameras and whether or not numerous digicam/lens combos are appropriate?

That’s what this text is all about.

Full Frame Lens on APS-C vs APS-C Lens on Full Frame Explained

I’m going to clarify whether or not you need to use a
full body lens on an APS-C physique. I’m going to clarify whether or not you need to use an
APS-C lens on a full-frame physique.

And also you’ll come away understanding all about your
digicam and lens compatibility.

Sound good?

Let’s get began.

What Occurs When You Connect a
Full Body Lens on APS-C Cameras?

A full-frame lens is designed for full-frame
cameras. However what occurs when you take that full-frame lens…

…and mount it onto an APS-C digicam physique?

In reality, not a lot in any respect.

Focal Size

First, the focal size of the lens doesn’t change. You see, the focal size of the lens is a bodily property – it’s already mounted from the second the lens is created. Focal size is the gap from a degree contained in the lens to the digicam sensor, and this isn’t modified by a smaller, APS-C sensor.

Depth of Area (DoF)

Second, the depth of discipline doesn’t change. The
depth of discipline is set by the aperture, the focal size, and the
distance from the lens to the purpose of focus; none of those are altered by an
APS-C sensor.

Picture High quality

Third, the standard of the lens stays the identical. The optics of the lens stay fixed it doesn’t matter what digicam you mount it on.

Nonetheless, there’s one function that modifications
with an APS-C sensor measurement:

Lens’s Area of View

You see, everytime you mount a lens onto a
digicam, the lens tasks a round picture onto the digicam sensor.

(This is called the circle of projection.)

That round picture is at all times the identical measurement, regardless of the digicam sensor. However the digicam sensor doesn’t at all times use this whole projected picture. A full-frame lens is designed to undertaking a picture that’s good in measurement for a full body digicam sensor.

However when a full-frame lens is mounted onto a
crop-sensor digicam, the smaller sensor basically crops the picture projected by
the full-frame lens. And you find yourself with a narrower discipline of view–that’s, you
find yourself with a narrower portion of the scene captured by the sensor.

Make sense?

Full Frame Lens on APS-C vs APS-C Lens on Full Frame Explained 2
Inserting a smaller sensor behind a lens doesn’t change its focal size. What modifications, is the angle of view solely.

Benefits of Utilizing Full-Body
Lens on APS-C Digicam

Now that you understand how a full-frame lens works
on an APS-C digicam, you possibly can see that there’s one large benefit to utilizing this
mixture:

The narrower discipline of view will increase lens attain, so that you’re in a position to {photograph} extra distant topics with ease. This elevated discipline of view is sometimes called a crop issue, the place a 100mm lens is cropped to a 150mm lens on an APS-C digicam.

(Regardless of this methodology of referring to APS-C
cameras, the focal size doesn’t truly change! Solely the sector of view is
affected.)

That is necessary for wildlife and sports activities photographers as a result of they typically must seize pictures of topics far off within the distance. It will increase their lens’s attain, though the focal size doesn’t change.

Full Frame Lens on APS-C vs APS-C Lens on Full Frame Explained 3
It’s a frequent follow to make use of full body lenses on crop (APS-C) cameras amongst wildlife photographer to extend the attain.

Disadvantages of Utilizing Full-Body
Lens on APS-C Digicam

There are a number of necessary disadvantages to
utilizing this mixture.

For one, full body lenses are usually greater and dearer than their APS-C counterparts.

Plus, whereas the additional attain is helpful for sports activities and wildlife photographers, it makes wide-angle panorama images loads more durable, as a result of it nixes the ultra-wide discipline of view. That’s one of many the explanation why many panorama photographers choose to shoot full-frame, particularly if their fashion includes creating ultra-wide, sweeping panorama images.

Full Frame Lens on APS-C vs APS-C Lens on Full Frame Explained 4
Due to a crop issue, It’s tougher to design ultra-wide APS-C lenses than ultra-wide full body lenses.

What Occurs When You Connect an
APS-C Lens on a Full-Body Digicam?

In some ways, attaching an APS-C lens on a full body digicam is rather like attaching a full-frame lens to an APS-C digicam.

Focal Size

For example, the lens focal size doesn’t change – as a result of similar to a full-frame lens, the APS-C lens’s focal size is mounted from the second it’s produced. Focal size is an optical property of the lens, fully unaffected by the sensor measurement.

Depth of Area (DoF)

And the lens’s depth of discipline doesn’t change,
both, as a result of the focal size of the lens stays fixed.

Picture High quality

Even the standard of the lens doesn’t change;
as I defined above, a lens’s picture high quality isn’t influenced by the sensor
measurement.

There may be one situation with mounting an APS-C lens
on a full-frame digicam, nonetheless:

Picture Projection

The picture that’s projected by the lens is designed for APS-C sensors, not full-frame sensors. So it’s smaller than required and doesn’t cowl all the full-frame sensor.

Now, when you’re utilizing Sony or Nikon cameras and
lenses, then you possibly can nonetheless mount an APS-C lens onto a full-frame digicam. However
you’ll typically see vignetting (i.e., darkening) across the edges of the body,
which may simply wreck a picture–except you crop it out.

Should you mount an APS-C lens on a full-frame
Nikon and Sony digicam and also you don’t see vignetting, that is most likely as a result of
the digicam routinely recognized the lens as APS-C and switched right into a crop
mode that makes use of solely a part of the sensor. It is a viable manner of taking images,
however you’re going to lose some decision. In spite of everything, the digicam is cropping out
megapixels!

Canon EF-S Lenses Challenge

Be aware that issues get a bit trickier in terms of native Canon lenses. Should you mount a Canon APS-C lens (labeled as an EF-S lens) onto a Canon full-frame digicam, the lens mount will ram into the mechanism contained in the digicam, which you wish to keep away from in any respect prices. This received’t be an issue with third-party lenses for Canon APS-C cameras, however native EF-S lenses merely shouldn’t be mounted on Canon full-frame cameras.

Full Frame Lens on APS-C vs APS-C Lens on Full Frame Explained 5
Should you can dwell with decrease decision pictures, it’s completely attainable to make use of APS-C lenses on full body cameras.

Benefits of Utilizing an APS-C Lens
on a Full-Body Digicam

Right here’s the principle benefit of mounting APS-C
lenses on full-frame cameras:

You possibly can make the most of smaller, cheaper
APS-C lenses supplied by producers. These are sometimes high-quality, however they
value a lot lower than their full-frame equivalents.

For example, Nikon customers typically mount the
(APS-C mount) 35mm f/1.8 lens on full-frame our bodies. This lens provides wonderful
high quality and a compact construct for an impressively low value.

Disadvantages of Utilizing an APS-C
Lens on a Full-Body Digicam

While you use an APS-C lens with a full-frame
digicam, you’re solely utilizing a part of the sensor. This, in flip, reduces the
decision of the ultimate picture. You’ll be compelled to crop, or your digicam will
crop for you–so {that a} 24 megapixel sensor produces a ten megapixel picture.

Conclusion

Now that you simply’ve completed this text, you
know all about utilizing APS-C lenses on full-frame sensors, as nicely full-frame
lenses on APS-C sensors.

And the professionals and cons of every choice.

Simply keep in mind:

You don’t should be afraid of mounting full-frame
lenses on APS-C cameras, nor do you could be afraid of the reverse.

(Except you’re utilizing a Canon EF-S lens on a
full-frame digicam–which it’s best to by no means do!)

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