Introduction Given the recent announcements, Sony is finally getting serious about beefing up their lens lineup for the Sony NEX system - so far this has been a major weakness of the system. Internal focus. Two Aspherical elements. One element of ED glass. So far we weren't overly impressed by most Sony NEX lenses but the E 35mm f/1.8 OSS came as a positive surprise actually. This is the highest magnification among 35mm E-mount lenses. This is about the same distance as a lens I called the “poor man’s macro” when I reviewed the Nikon 35mm f/2.5 E. For such a compact lens, I’m glad to see the 35mm f/1.8 capable of general macro work, such as medium-sized flowers. Compatibility.
Designed specifically for APS-C sized sensors, the Sigma 18-35mm 1.8 translates to 27mm-52.5mm on 35mm camera.
E 35mm F1.8 OSS (SEL35F18) An ideal second lens, the SEL35F18 prime lens can handle anything from evening shots (thanks to the bright maximum aperture) to beautifully defocused portraits. f/2: A slight improvement over f/1.8 everywhere. Compact and versatile. Coupled with α E-mount cameras from Sony, APS-C E-mount lenses deliver big camera performance. Stopping down to f/2.2 boosts both contrast as well as the overall sharpness. f/1.8; f/2.8; infinity . smaller. The immortal LEICA SUMMICRON-M 35mm f/1.4 ASPH FLE does the same thing for the same reason. f/2.8, f/4: Excellent in the center, good to very good outside of it. Aspherical and ED elements. f/1.8: Good in the center. Diaphragm. Truly a revolutionary product, the Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. The front and rear elements are concave (curve in), so don't worry: you're not missing part of your lens! Capture smooth, blur-free images. The autofocus will not be available with Nikon D40, D40X, D60, D3000-D3500, D5000-D5600 digital SLR cameras.
This lens may not work properly with Canon EOS cameras due to compatibility issues.
At f/1.8 there is quite a lot of spherical aberration present but by stopping down to f/2.8 this goes away and you can expect crisp results.
The 35mm f/1.8 has the nice ability to focus to a close .98 feet/.3 meters. Sigma 18-35mm F/3.5-4.5 Aspherical Wide-angle zoom lens • Film era • Discontinued ASPHERICAL The lens incorporates aspherical elements.
8 elements in 6 groups. It seems as if they are feeling the heat introduced by the highly successful Fuji X-system. Specification. Good outside of it. At f/1.8 the contrast is somewhat reduced but the center resolution is very decent and even the outer image region provides good results.
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