Every DSLR camera must have at least one lens.
This is a question a little easier to solve in a nutshell: The best optics (lenses) are the most expensive ones.
Considering that lenses are the most important part of the camera, it should not sound strange that good lenses are usually more expensive than camera bodies. Lenses last on the market for 10 years or more until a new model comes along to renew them, while most DSLRs are renewed every 2 years. So over time we all had (or started with) cheap lenses and then moved on to the best optics.
1st Recommendation: If your budget allows, spend more money to start your photography career with the best lenses instead of starting with the best cameras. Specifically with these two lenses that correspond to your camera brand: 50mm f1.8 and 18-200mm (or better).
Otherwise, buy the 18-55mm lens that corresponds to the brand of your camera, which will then buy more lenses.
2nd Recommendation: Beware, Cropped Sensor lenses are not useful on Full Frame cameras. On the other hand, Full Frame lenses are useful on Cropped Sensor cameras. Full Frame optics are always more expensive.
3rd Recommendation: Focal Distance, is the data that appears in millimeters (mm) and according to your interests (topics) should be understood as follows:
– 24mm or less, wide angle shots and subjects such as landscape.
– 35mm to 50mm, (wide-angle-normal) medium-angle shots to almost any subject.
– 50mm, normal, almost any subject.
– 50mm to 85mm, (normal-tele) from almost any subject to portrait (face-only).
– 85mm to 200mm, (tele) from portrait to far-away element shots.
– 200mm or more, (super-tele) for very distant element shots.
To go through and try all subjects, in the first recommendation is an 18-200mm (or better). This lens is a zoom lens, which means that it changes its focal length from 18mm to 200mm, going through almost all the focal ranges described above.
4th Recommendation: Aperture, this is the number that appears after the letter «f» and the smaller the number the better the lens.
– Zoom lenses do not have a good aperture and almost always start at f3.5 and end at a higher number.
– A special category of Zoom lenses always maintain an f2.8 parity while changing focal length, these are superior and very expensive optics.
– Fixed lenses (non-zoom lenses, which do not change their focal length) have better apertures, such as f1.8 or less. The lower the f-number, the more expensive the lens.
For access to excellent optics at a low price, a 50mm f1.8 is listed in the first recommendation.
5th Recommendation: There are other brands such as Sigma, Tanrom, Tokina, Carl Zeiss, Rokinon, Vivitar, etc. That may work for your camera. Do your research, consult the forums, opinions and comparisons between lenses. Get advice from a professional.
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