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Sony is on its second version of a pro-level 70-200mm f/2.8 G Master lens. Tamron recently released its second 70-180 f/2.8 G2 lens. A professional 70-200mm f/2.8 was one of the first lenses released by Panasonic for its Lumix full-frame bodies. And in all this time, where has Sigma been? Well, the wait is over. Sigma has finally released the 70-200mm f/2.8 DG DN OS Sports series lens, but was it worth the wait?
The first thing I notice about the $1,499 Sigma 70-200mm f/2.8 is how large and heavy it is, although to give some context, I’m biased by just how lightweight the Sony G Master and Tamron G2 are. The latest Sony 70-200mm weighs in at a svelte 37 ounces (1,045 grams), and the Tamron an even lighter 30 ounces (855 grams). By comparison, the Sigma tips the scales at almost 47 ounces (1,350 grams) which is only surpassed by the Panasonic 70-200mm f/2.8 and its relatively ponderous 55.4 ounces (1,570 grams).
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With Sigma’s latest release, the company is going back to basics to deliver a standard wide-to-telephoto zoom lens for Sony E-mount and Leica L-mount crop-sensor cameras. Does it have any flash or is it nothing more than a simple kit lens?
The first thing that struck me about the Sigma 18-50mm f/2.8 DC DN Contemporary when I unboxed it is how small the lens is. Admittedly, I don’t use APS-C lenses often. Still, having a healthy zoom range from fairly wide to fairly tight and a constant f/2.8 aperture made me expect something larger.
It measures 2.9 inches (74.5 millimeters) long and only weighs 10.2 ounces (290 grams) and has a diameter of 2.6 inches. When zoomed to 50mm, the lens does extend about another inch in length. Overall, it’s a nice-looking compact lens made from Sigma’s favorite Thermally Stable Composite that matches perfectly with the Sony a6600 I paired it with for this review.
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The rubberized zoom ring has an appropriate amount of tension to it and combined with the fact the front elements of the lens are not very heavy, there was no zoom creep while walking around. The focus ring is only plastic…
Introduction
The Sigma DP1s is a new revised version of the two-year old DP1 large-sensor compact camera. The DP1s features exactly the same APS-C sized Foveon sensor and 28mm f/4 prime lens as its predecessor, but offers two operational enhancements inherited from the Sigma DP2. These are improved performance when shooting backlit subjects and the ability to to allocate the new QS (Quick Set) function to the digital zoom buttons, as featured on the DP2 and SD14 cameras. In all other respects the DP1s is identical to the original DP1, sharing the same 14.06 megapixel Foveon X3 sensor, 2.5 inch LCD screen, full range of creative shooting modes, built-in flash, external hotshoe and RAW format support. The Sigma DP1s is available in black and retails for £549 / $649.
Ease of Use
As the DP1s and DP1 are outwardly identical, a lot of the comments that we made about the DP1 will be repeated here. The Sigma DP1s has a substantial, serious design that is rather box-like but not altogether unattractive. Measuring 113.3(W)×59.5mm(H)×50.3mm(D) and weighing 250grams, the Sigma DP1s fits into a coat pocket or small camera bag, but it's too big and bulky for a trouser or shirt pocket,…