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Regardless of whether you have a zoom type lens or a fixed telephoto lens, at 300mm focal length the magnification factor is approximately 6.

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Using this simple formula with the zoom lens, at its longest focal length, 300mm, it does have a magnification factor of 6 (300/50), but at its shortest focal length, 30mm, the magnification factor is 0.6 (30/50), a wide angle view.

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Per Bob, who discusses magnification, a 50mm lens is often considered to have a similar image scale to the human eye. As stated, in determining the magnification factor of a lens, you divide its focal length by 50mm. In this case, your 300mm lens would have a magnification of 6 (6x).

Per Petteri, the term zoom refers to the ratio of the shortest focal length to its longest focal length, of a "zoom" (variable magnification) lens. For example, a 30mm - 300mm zoom lens will have a zoom ratio of 10 (300/30). This 10x in no way refers to the absolute magnification of the lens, only the range from the minimum focal length, 30mm, to its maximum, 300mm.

What’s the best camera for around $2000? This price point gives you access to some of the most all-round capable cameras available. Excellent image quality, powerful autofocus and great looking video are the least you can expect. We've picked the models that really stand out.

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What's the best camera for travel? Good travel cameras should be small, versatile, and offer good image quality. In this buying guide we've rounded-up several great cameras for travel and recommended the best.

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A faster sensor, improved autofocus and video see Nikon's third-gen mid-range full-framer go toe-to-toe against Canon's EOS R6 II and the Sony a7 IV. We feel its all-round ability lifts it to the top of the pile.

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As Petteri and others have said, you are trying to use the term zoom to describe the magnfication of a lens (relative to the human eye). This is not correct.

What’s the best camera for around $1500? These midrange cameras should have capable autofocus systems, lots of direct controls and the latest sensors offering great image quality. We recommend our favorite options.

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Leica has announced the Q3 43, a variant of its full-frame fixed lens compact with a 43mm F2.0 normal lens. We've had the chance to use and test it, to produce an in-depth review.

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We don't usually test a product for ten years before reviewing it, but after a decade of using the Lowepro Photo Sport 300 AW II on an almost daily basis, Managing Editor Dale Baskin tells us why he loves this pack.

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