I am thinking to buy new dslr camera with some good lens. I saw various lens and various brand and one thing I don't understand that why these lenses are so costly compared to other lenses. I know there are many other costly lenses but if I make comparison with kit lenses which comes with brands like Nikon, Canon, Sony, Pentax.. all with 18-135 or 18-140 have kit lenses so costly that they actually cost more than combined price of 18-55mm + 55-250 kit lenses. It is with all brands, not just canon or just sony or nikon. And I am very much confused to make decision because the camera I want to buy gets super costly with 18-135mm lens variant. And if I decide to go with combo of 18-55 and 55-220mm kit lens then its cheaper but folks in camera field advice against it.
So I want to know why they are so costly, because kit lens are of generally same quality but change in focal length causes so much change in price . At times it feels like they are making us fool with such a pricey lenses while others (combo) is cheaper. What makes them so costly.. focal length or they have better build ?
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