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What's the problem with this? In a studio of 25 feet depth, with a DX camera, one can NOT use longer focal length lenses like 85mm,105,135,or 200mm unless the subject area is very small. Using an FX format Nikon and the same 85mm lens,one can position the camera at only 20 feet from the subject,and achieve the same 8.47 foot tall field of view when posing a 6 foot tall standing man. Example: a 28mm lens on DX has "roughly" the same angular view as a 43mm lens on FX format (figuring the Nikon 1.5x FOV factor as being close to 1.53 actually).īecause a DX sensor does not "catch" or image the outer areas of a lens's image circle, in order to use an 85mm lens to photograph a six foot tall man, one must have the camera at distance of 30 feet,to allow a field of view of 8.47 feet tall,to allow the person to be shown with 2.47 feet of real estate alloted for foot space and head space, as well as for some allowance for cropping to 8x10 or 16x20 aspect ratio. Because a DX format SLR does not capture the outside of the image circle of a full-field lens, to gain a wider angle of view with a DX camera, one must compensate by using a lens with a much shorter focal length than if one were using an FX format camera. The DX sensor crops OFF,and does not utilize, much of the image circle a full-field Nikkor lens projects. In low-light shots or nightscapes, out-of-focus light sources have a pleasing circular defocused effect.How The DX Format Impacts People Photography Lens elements at the rear of the optical system move, allowing rapid auto-focus response. The built-in Optical SteadyShot image stabilization system provides a 4-stop (approx.) shutter speed advantage, making it significantly easier to achieve crisp, blur-free images and video. Thanks to a minimum focal length of only 10 mm (15 mm in 35 mm-camera equivalency), the SEL-1018 delivers finely detailed, super wide-angle photos, ideal for shooting majestic landscapes that can only be captured with super wide-angle lenses, as well as for producing striking photos with emphasized perspective.īuilt-in Optical SteadyShot image stabilization
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Minimum focal length of 10mm (15mm in 35mm eq.) In addition, the optical system employs Super Extra-low Dispersion glass, realizing highly detailed images with reduced color aberration even at the 10 mm focal length. Three Aspherical lens elements correct for spherical aberration and distortion, making it possible to shoot high-contrast, high-quality images with markedly less bleeding even at the maximum aperture.
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Even in low-light environments, such as outdoors at sunset, users will be able to take advantage of the bright aperture and use fast shutter speeds without unnecessarily raising ISO sensitivity. The SEL-1018 offers a constant maximum aperture of F4 through the entire focal length range, enabling use of the widest aperture at every focal length. With a constant maximum aperture of f/4 through the entire focal length range, you'll be able to use the widest aperture at every focal length. Featuring a minimum focal length of only 10mm (15mm in 35mm camera equivalency), the SEL-1018 wide-angle zoom lens delivers highly-detailed, super wide-angle photos. If you're seeking a wider minimum focal length than offered by standard wide-angle zoom lenses, the SEL-1018 is the ideal choice for you. The SEL-1018 super wide-angle zoom lens is perfect for taking photos of sweeping landscapes and producing striking images with emphasized perspective.