Even though the Sigma was much softer wide open The colors and contrast were amazing. I have since purchased several Pentax primes including the FA 43mm and FA 77mm limiteds.
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Sigma 20mm F 1 8 Wide Angle Lens Wide Angle Digital Camera
Its small enough to fit in my pocket and take anywhere.
Sigma 20mm f 1 8. Nice wide bright shots. SIGMA 20mm 118 EX DG ASPHERICAL. Other than the F-mount version the closest competitor to the Nikon Z 20mm f18 S is the Sigma 20mm f14 Art which retails for 899.
Body Colour Sigma 20mm F18 EX DG RF is available in Black color. Optical design Maximum format. Find many great new used options and get the best deals for Sigma 20mm f18 EX DG Aspherical Lens for Sony at the best online prices at eBay.
F18 has a ridiculously thin DOF when focusing at the minimum focus distance which is only a few cm in front on the lens. New Sigma 20mm f18 on Nikon JMichaelSullivan 1020pm 20 June 2013 Wont focus close medium or infinity in normal mode but focuses perfectly in live mode. It gives up 3 in close focusing distance 10 compared to Sigmas 7 and has a max repro ratio of 183 compared to Sigmas 14.
So go shutter happy with the Sigma 20mm lens and outdo your passion for. Found this lens was useful for video on the dslr. Even the Nikon 20mm 28 or Tokina wide angle lenses are sharper and built more solid.
As of today the lens is available for the classic systems as well as in native Sigma mount. Both are awesome lenses with the Sigma is. Manufacturer descriptionThe Sigma 20mm F18 EX DG Aspherical Macro is a standard wide-angle lens for full-frame and APS-C digital SLRs.
In addition this Sigma 20mm lens features a dual-focus mechanism that lets you use the Sigma 20mm f18 EX DG in auto focus as well as manual settings. In this review well have a look at how the 20mm lens performs on our current FX test. The Nikon 20mm 18 and the Sigma 20mm 14 Art Lens perform a bit better.
Sigma offers a trio of fast wide angle lenses featuring focal lengths of 20 24 and 28 mm. Aperture Sigma 20mm F18 EX DG RF has a max aperture of F18 and a minimum aperture of F220. 945 35mm full frame 813 Canon EF APS-H 705 MinoltaSony A APS-C 705 Nikon F APS-C 705 Pentax K APS-C 637 Sigma SA APS-C Lens construction.
13 elements - 11 groups. Sony FE 20mm F18 G measures 29 x 333 735 x 847mm diameter x length which is slightly smaller than the FE 24mm F14 GM. Now one can get a Sigma wide-angle fast Art lens that is on a completely different level.
I have found very uses for F18 at 20mm other then wide MACRO shots. Aperture of f18 it is the very fastest 20mm mass production lens around. Sigma 20mm F18 EX DG RF doesnt have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS sensor based In-body image stabilization.
And 82mm filters can be costly. All three lenses share a maximum aperture of f18 and a very short minimum focus distance which allows for interesting and often dramatic perspectives of close subjects. I had a chance to briefly test the Sigma 20mm f14 Art in the field for astrophotography needs and ended up returning it because it suffered from heavy field curvature and banana-shaped coma a common issue among most ultra-wide angle and wide-angle.
Filter Size - The Sigma 20mm f18 requires 82mm filters if you want to use a UV filter polarizing filter or any other kind of filter on this lens. The 20 mm f14 Art blows it away the 18-35 mm f18 is also far far better. Diagonal angle of view.
Sigma has made a 20mm f18 for years but pros wont trust their work to Sigma. This was my first lens after the kit lens. This can be overcome by not pointing it in directions that highlight this weakness.
Lens Flare - The Sigma 20mm f18 EX DG doesnt do a very good job of blocking lens flare cast by the sun or strong studio lights. Had opportunity a few months ago to get out under a new moon and give my new Sony 20mm f18 prime lens a test and see how it stacked up against the Sigma 20mm f14 which I had been using for quite a while. LEICA makes a 21mm f14 lens but thats not a 20mm lens and LEICA is shot mostly by rich people not by serious photographers.
The materials used in this Wide angle lens are led and arsenic free. Although not a new lens it remains popular for its combination of good build quality a usefully fast aperture of F18 and decent optics. The Sigma AF 20mm f18 EX owns one of the industries records - with its max.
At f18 this is the worlds fastest serious 20mm lens with no serious competition.
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