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Fixed lenses vs zoom: advantages, disadvantages, and which is better for your camera

Buying a camera is a rough process, especially if we have a very good budget. Once we make a decision, another step is to make a decision, to buy any zoom, even though we already have 18 to 55 mm in the kit. However, there are two types of lenses in which we have to choose: Fixed or Zoom.

What is a fixed lens?

Specific lenses, or major lenses in English, such as their own name, indicate the lenses which can not zoom and have a fixed focal length. An example is a 50 mm, or a 24 mm. These lenses generally offer several advantages over zoom (for example a 24-70 mm), but you can use zoom if you want to photograph.

What is a zoom lens

A zoom lens is one that allows some focal lengths of the same lens, allowing the optical zoom to rotate the ring. Thanks, zoom in or zoom out the image you want to remove. 17 -70 mm lenses can offer a range from 17 mm (wide angle) to 70 mm (small telephoto). If this has its advantages and disadvantages, we will let them know below.

USD 701.95

Advantages of using a fixed lens in a reflex or mirrorless camera

1. Cost

Specific lenses are cheap. These lenses are usually a good alternative to updating your lens. A Canon 50 mm Fee / 1.8 costs 120 USD, and you do not buy zoom with that focus length and it will be open for less than 1,000 USD. This is a 50 mm F / 1.4 zoom lens with an opening that has reached a zoom lens

2. Weight and size

Corrected lenses, fewer moving parts less crystals and no stabilizers are very light and small. Canon 24mm F / 2.8 has a very clear example of this, which is known in low form as “pancake”, which weighs only 127 grams. A brand like sigma is 4 times less than a zoom lens. It can be a good option if you travel, though you can get some limited in wide-angle scenes (you can get many vertical photos and solve them by connecting them with Photoshop) in addition to losing zoom for portraits.

This factor is very important because sometimes you will keep the home camera in the house due to weight gain with a large lens. With a small lens, you want to take your camera everywhere.

3. Image quality

The fixed lenses are undoubtedly the best choice for good image quality. By having fewer crystals and being smaller,
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Certain lenses are undoubtedly the best choice for good image quality. By being less crystallized and smaller, light and color decay, distortion and spread through fewer components as a result. These lenses tend to be intense, there is no problem in chromatic separation, and no sharpness or degradation on the edge; Something that usually happens with zoom lenses. Thanks, we have a very high quality picture that allows you to touch more professional in your portraits.

4. Opening

This leads to the previous point. Specific lenses tend to have large openings. It also produces a small depth of field to reach the sensor. This means that the focal point in the photo is small, behind what we’re photographed (called in the block) which are both looking for photographers. Having a large aperture allows you to take photos in low light conditions without lowering the ISO or lowering the shutter speed.

Canon 200D + Canon 50 mm, 50 mm, f / 1.8, 1/500, ISO 100.

Opening like F / 1.4 Canon offers anything like 50 mm f / 1.4 lenses, which shows only zoom lenses. Most lenses have reached 1000 US dollars in the focal length of 1000 US dollars, although Sigma RR mm, which offers targets besides impressive sharp, provides an aperture F / 1.8 across the focus around it.

5. They are better to learn

The zoom lens makes you “lazy” and does not move you. However, you should move with a specific goal, try the approach and change the correction that helps you to learn and take more risk of lenses.

Advantages of using a zoom lens in a reflex or mirrorless camera

1. Versatility

The zoom lens is much more versatile. For this reason, if you’re not a professional photographer, the typical travel specs are not usually the best choice. Even if you get better image quality than 24, 35 or 50 mm in zoom lens, you will always have to change the lens and in many cases you will lose a photo that you can do faster with a zoom lens; With the added advantage of being messed up with the sensor when the lens changes so much.

Also, if your budget is tight, it is more profitable to buy 17 -70 or 17 -55 purposes than to buy more than three different lenses as well as to eliminate your backpack.

For telephoto lenses, there are some 70-200 or 70-300 something, which gives the photographs nature or sporting events far away from the ideal distance. There are also 200mm or similar fixed lenses, but a comfortable telephoto zoom lens provided in an amateur usually compensates.

2. Image stabilization

At as low as possible, and they have large openings, certain lenses generally do not carry images stable engines. However, most of the zoom lenses from canon, sigma, copper or nicon manufacturers carry them to compensate for a low amount of aperture at times.

Thanks to that, small aperture and long exposure time can be compensated, it is equal to shooting the same image with a big aperture. In the case of the mirror, stability is usually included in the body, which reduces the cost and complexity of their lenses.


If you are a professional, you can carry a backpack with several lenses and there may be some specific lenses available for what you are looking for. However, if you are an amateur and your camera only wants to get a good lens without multiplying and image quality and aperture without any lens but a zoom lens that is suitable for you. A good balance is usually to use a zoom lens at most times and there is a specific lens to take photographs within a specific time frame, such as Portrait.

Buying a lot of zoom as 18-200, despite the great versatility, will make the quality of your photos quality. A balanced zoom, such as 17 to 50 or 17-70 mm or 24-70 or 24-105 mm in full frame, will provide you very good image quality without reaching the level of fixed lenses.


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