Photography enthusiasts are often fixated on lens size, believing that a larger lens equals better image quality. But what if we told you that size isn’t everything? In fact, some of the best lenses in the world are surprisingly small, like those made by Leica. But why are these lenses so tiny?

It’s no secret that Leica lenses are renowned for their exceptional image quality, but what sets them apart is their compact design. Unlike other camera lenses, Leica lenses don’t contain much beyond the optics and the manual focusing mount.

This minimalist approach allows for a simpler optical design, resulting in a smaller lens that’s easier to handle and carry. Plus, since Leica cameras use a rangefinder design, there’s no need to leave space for a mirror, like in an SLR or DSLR, further minimizing the lens size.

But don’t let their diminutive size fool you. Leica lenses pack a powerful punch when it comes to producing stunning images. In fact, Leica has a long and storied history in the world of photography, and their lenses have been used to capture some of the most iconic images in history.

So, what’s the secret to Leica’s exceptional image quality? And do you need a big lens to take great photos? In this article, we’ll answer these questions and more, exploring the relationship between lens size and sensor size and delving deeper into the world of Leica photography.

Key Takeaways

  • The size of the lens is not the only factor that determines image quality, but a larger lens can collect more light, resulting in brighter images with less motion blur.
  • Leica’s photographs have exceptional image quality, capturing the tiniest details with popping colors and pleasant out-of-focus areas at wide apertures.
  • A camera’s sensor size affects image quality, resolution, depth of field, angle of view, and low light performance. A larger sensor size can capture more light, resulting in better image quality and potentially higher resolution.
  • Good photography skills are more important than the size of the lens or the camera in capturing great photos.

Do you need a big lens to take good photos?

The lens diameter is one of the factors that affect image quality. A larger lens has more area to collect light, which means that the image will have twice the brightness of a smaller lens. With more light ending up on the sensor, you can have the same image quality with shorter exposure.

Photos taken with a bigger lens have a higher resolution, and the ability to see fine detail. Also, as the bigger lenses capture more light, the shutter speed is shorter, resulting in less motion blur when holding the camera.

However, with good photography skills, you can take good photos with a big lens as well as a small lens. As good photos do not depend on the camera, but rather on your skill.

Leica 35mm f/2.0 SUMMICRON-M Aspherical Lens, Silver

How good are Leica’s photographs?

Leica photographs have superb image quality which gives the photographer a unique shooting experience. Their super sharp lenses, their compact design and their simple functionality ensure that the photographs capture the tiniest detail in the entire screen rather than what’s only in their frame.

Leica photographs are high-resolution photos that are sharp and with better noise performance. Leica photographs are different from other photographs due to a combination of factors. In the Leica images, the popping colours and the out-of-focus areas at wide apertures are easy to pinpoint. These images are pleasant to the eye as they bring life to the photos.

Lens size vs Sensor size

Lens size

Lens size in the camera is the focal length, which tells us the angle of view. It tells you how much of the scene will be captured and how large individual elements will be. The longer the focal length, the narrower the angle of view and the higher the magnification.

Sensor size

Sensor size describes the dimensions of a sensor. It can be measured either in “mm” or “inches”. A large sensor size means more light is captured by the camera, which ensures a better image and a potentially higher resolution.

The image quality and flexibility of what kinds of images you want to capture are directly related to your camera’s sensor. The sensor size affects image quality, resolution, depth of field, angle of view and low light performance.


In conclusion, the size of the lens is not the only factor that determines the quality of your photographs. Both smaller and larger lenses can produce exceptional images, depending on your photographic goals and the equipment you’re working with. However, it’s essential to consider the lens size and sensor size when buying or renting a camera.

While Leica’s compact lenses may be smaller than their counterparts, they still deliver incredible image quality, making them an ideal choice for photographers looking for a more portable setup. Additionally, understanding the relationship between lens size and sensor size can help you make more informed decisions about which equipment to invest in.

At the end of the day, it’s not the size of the lens that matters most, but how you use it to capture your vision. Whether you prefer the compact design of a Leica lens or the versatility of a larger lens, the most important thing is to experiment, have fun, and keep honing your skills as a photographer.