56
Sigma 20mm F1.8 EX DG ASP RF
$519.00
Released January, 2011
The Pros:Excellent at close focus, can move right up to the subject. Output is consistent throughout the focal range, doesn't distort. Built with heavier, more durable materials.
The Cons:Fairly heavy, tends to throw the camera a bit off balance. Some lens creep is noticeable, need to take the shot right away. Focus motor is fairly loud, not very subtle.
The Sigma 20mm F1.8 EX DG ASP RF wide angle lens is designed for use with full frame digital cameras. Offering an aperture of F1.8, this Sigma is a staggeringly fast super wide angle lens, capable of taking photos in low light conditions.
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Its two aspherical glass elements correct distortion, and the lens offers a minimum focusing distance of 7.9 inches, allowing for close-up shots.
User Reviews (1)
Pros & Cons
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1
excellent at close focus, can move right up to the subject
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1
output is consistent throughout the focal range, doesn't distort
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1
built with heavier, more durable materials
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1
AF is fast and accurate in almost any lighting
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1
low light photos remain sharp and clear
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1
fairly heavy, tends to throw the camera a bit off balance
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1
some lens creep is noticeable, need to take the shot right away
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1
focus motor is fairly loud, not very subtle
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1
manual focus switch mechanism is a bit awkward
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