In addition to wide-angle lenses, zoom lenses with short focal lengths tend to produce barrel distortion.
Prime lenses tend to reveal less distortion, and you can pick up some bargain 50mm and 85mm examples online – they tend to have constant wide apertures too, making them great for people shots. It's also got a lot easier to fix lens distortion in software.
Tilt-shift camera lenses distort perspective, making subjects appear smaller than their original dimensions or sizes. This is why these camera lenses are mainly used for architecture and fine art photography. These camera lenses are generally wide-angled, ranging from 17mm to 35mm.
Taking face photos with short lens cameras and up close results in the whole face, nose, and eyes appearing wider and face and nose longer than in real life. This facial widening distortion also causes the ears to disappear on the photographs. Additionally, any nasal asymmetry maybe exaggerated due to stretching.
Zoom lenses do have some disadvantages compared to prime lenses that you should take into consideration. A zoom lens is usually not as sharp as prime lenses. Another is that a zoom lens is slower. Because the maximum aperture of a zoom lens is narrower, it lets less light pass into the camera.
In recent years, zoom lenses have been taking over the hearts of many working professional photographers as the more obvious, versatile choice. With the latest image sensors producing amazing quality, even at extremely high ISOs, it makes sense why more people have been leaning towards the convenience of zoom lenses.
Canon fixed focal length lenses are usually faster (have a wider aperture) than their zoom counterparts. To me personally, this is the greatest value of a fixed focal length lens. A fast fixed focal length lens allows action-stopping shutter speeds to be used in low-light situations.
One major factor is that photos generally show us the reverse of what we see in the mirror. When you take a photo of yourself using some (but not all) apps or the front-facing camera on an iPhone, the resulting image captures your face as others see it. The same is true for non-phone cameras.
In short, what you see in the mirror is nothing but a reflection and that may just not be how people see you in real life. In real life, the picture may be completely different. All you have to do is stare at a selfie camera, flip and capture your photo.
The answer is yes, the phone cameras do distort the way our face looks. You do look a little different in real life than how you happen to appear on the camera of your phone. Our nose, for example, usually looks a lot bigger when we take selfies because the camera is placed too close to our face.
This is because the field of view of wide-angle lenses is wider than the image sensor on a digital camera and therefore the image looks like it has been squeezed and constricted to fit in the edges of the frame. In addition to wide-angle lenses, zoom lenses with short focal lengths tend to produce barrel distortion.
It is caused by the distortion from the camera's lens. The lens used in a camera is not a perfect piece of glass, so some form of distortion might be present in the image it captures. There is what we call radial distortion in which the light bends at a certain angle that deviates from a rectilinear plane.
What does a wide angle lens do? Wide angle lenses distort things and enhance perspective. What that means is that objects closer to the camera appear larger than ones farther away, even if they are the same size in reality.
The best focal length for portraits is 50mm and above when trying to avoid distortion.
At least try to avoid shooting them with an extreme wide-angle lens. Back up if you need to get more of the subject into the image. Keep any straight lines in the image as close to the center of the lens as possible. There will be less distortion toward the middle than there is on the edge.
Mirrors are much more accurate than camera images.
Whether a mirror or photo is more accurate depends on your perspective. When you see yourself in a mirror, which most people likely do multiple times a day, you see a reversed image. Many consider a mirror image most accurate.
Almost everyone has some degree of asymmetry on their face. But some cases of asymmetry are more noticeable than others. Injury, aging, smoking, and other factors can contribute to asymmetry. Asymmetry that's mild and has always been there is normal.
According to multiple videos sharing the trick for taking selfies, holding the front camera to your face actually distorts your features and isn't actually giving you a clear representation of how you look. Instead, if you hold your phone away from you and zoom in, you will look completely different.
First is the mirror-image problem. Some systems like Zoom have a setting to use your mirror image instead of the "head on" approach. A simple click of a button can help you see yourself in a way your brain finds more comfortable. If you are limited to systems that don't have this function, not to worry.
Most lens makers' sharpest lenses are their 300mm f/2.8, 400mm f/2.8, 500mm f/4 and 600mm f/4 ED and L series lenses. Look at their MTF graphs, and they really do have virtually perfect performance. Unfortunately, long lenses have even more stacked between them and a sharp picture.
Prime lenses are significantly sharper than zoom lenses. That is due to the fact that they don't have extra glass inside that moves in order to zoom. As a result, you get better quality photographs due to less diffraction, which increases with higher number of lens elements inside as in the case of zoom lenses.
If you are very particular about image quality and don't need to adjust your focal lengths, then prime lenses are the way to go. But if being able to quickly take photos at different focal lengths is more important than having a small camera bag, then zoom lenses are the best option for you.