Full frame vs crop sensor

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Ilko Allexandroff, a photographer compares (an APS-C camera) a full frame vs crop so as to realize the main differences of a body photo taken by the same lens with 2 focal values of 85mm and 135mm, respectively.

The following result analysis will show to both photographers and enthusiasts further valuable knowledge of APS-C and full frame sensor.

1. Comparisons and experiment results

To make a more obvious comparison of afull frame vs crop sensor, this photographer has made some following interesting experiments. Let’s take further careful results.

1.1. The first comparison between 85mm lens of a full frame vs crop

First of all, the photographer made a comparison of the 85mm lens. He began the experiment with Canon EOS 70D and then a full frame 1DX sensor.

full frame vs crop

full frame vs crop

All settings are created the same on both cameras with the same lens, in details:

  • Aperture width of f/1.8
  • ISO 100
  • Shutter speed of 1/640
  • Same distance between photographer and model

Canon digital identity and focal length of 85mm lens on a Crop sensor are 1.6 and 136 mm, respectively. Thus, this is very the result of 2 different settings used for a full frame vs crop sensor.

1.2. Comparisons between 135mm lens of a full frame vs crop 

The following comparison between a full frame vs crop sensor is with 135mm lens. In specific, he began with Canon EOS 70D camera with the focal setting of f/20.

The photographer decides to reduce Shutter speed to one-third of pre-settings for suitability and balance. So, the focal setting, ISO, and shutter speed are f/20, 100 and 1/500, respectively.

With this setting, the lens of a crop body has new focal of 216mm. As a result, the photographer needs to stand far from photography subjects. Look at the following results.

full frame vs crop

full frame vs crop

1.3. Differences between crop body of 85mm lens and full frame of 135mm lens.

Finally, the photographer has made an interesting comparison between crop body of 85mm lens and full frame sensor of 135mm lens. This experiment includes a Canon 70D camera with 85mm lens and a Canon 1DX camera with 136 mm lens.

Based on the settings and results of 2 previous comparisons, both lenses of a crop body and full frame sensor in this experiment has the same focal of 136 mm.

full frame vs crop

Despite the same focal length, the interesting differences between the 2 results are made again. Take a further look at the following results.

1.4. Conclusions

As far as you see, the differences in photos which are taken by a crop body and full frame sensor are very obvious.

Today, lots of photographers love shooting with a full frame sensor as the photos are taken again with full size, which helps create not only the balance of frames but also the flexibility and freedom if cropped.

Especially for wedding photography, photographers always have to study differences to choose the most suitable lens, cameras for the most perfect pictures.

2. Notable advantages of each type

2.1. Advantages of a crop body

When we take photos with a crop body, your products will be shorter in comparison with a full frame sensor.

It means prolonging the focal, resulting in a smaller view of angle, less obtained light amount. Simply, your photos will be partially cropped.

However, some photographers think using a crop body is quite suitable in some given cases:

  • Crop body is able to continuously shoot faster
  • Also, Crop body allows viewers to feel further-shooting with the same focal lens.
  • Crop body helps photographers focus and emphasize more on subjects, so as to create the depth of photos.
  • The price of a crop body is lower than that of a full frame sensor.

full frame vs crop

2.2. Advantages of a full frame sensor

On the contrary, with a full frame sensor, photographers carry out more technical requirements while shooting:

  • A full frame camera can obtain more light, solve noise better and show more real and sharper colors than a crop body (APS-C camera).
  • In many cases, a full frame lens is more advantageous when you don’t get the focal lens changed, which helps photographers not to determine the distance between their standing position and subjects, according to the different focal.
  • A full frame sensor produces photos with higher quality, more realistic colors and processes images more responsively.
  • The price of a full frame camera is much higher than that of a normal APS-C camera.


According to the above comparisons between a full frame vs crop, I’m strongly sure you all know the differences between 2 different cameras’ lens.

Thus, depending on your usage purposes, you can select a crop vs full frame sensor for your hobby and photography work.

If you’re looking for a full frame camera, you can read more in-depth Nikon D850 review or more cameras of Best Full frame Cameras.

Read more in-depth: Lytro camera

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