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Sigma DC 17-70mm F 2.8-4 Macro OS HSM
The Sigma DC 17-70mm F 2.8-4 Macro OS HSM is a camera glass with a versatile zoom range suitable for aps-c cameras. It has a motor for autofocus that operates silently and quickly. The lens has seven blades in the aperture, which helps to create a pleasing bokeh effect. It is a bright lens with a high aperture value, which makes it suitable for low light conditions. The lens has a macro feature that allows for close-up shots of small objects. The lens weighs 535 grams and has a filter diameter of 72mm, which is a common size. The lens is 89mm long, which means it needs to be considered when carrying it in a camera bag. The lens has a good build quality and is made with high-quality lens elements that provide good resolution. The lens has a lens coating that helps to reduce reflections and flare. The manufacturing time of the lens is not mentioned. There are alternative lenses available on the market, but the Sigma DC 17-70mm F 2.8-4 Macro OS HSM is a good option for those looking for a versatile zoom lens with macro capabilities.
Positives:
The Sigma DC 17-70mm F 2.8-4 Macro OS HSM lens is an awesome lens that delivers impressive results. The autofocus is consistent throughout the focal lengths and the optical stabilization is excellent. It’s great for shooting at wide apertures, providing beautiful bokeh and delivering sharp images.
The macro capabilities of this lens are also incredible, allowing for stunning close-up shots with incredible detail. This feature is perfect for capturing amazing shots of flowers, insects, and other small subjects.
Negatives:
The lens is a bit bulky and heavy compared to other zoom lenses on the market. This weight may be a bit uncomfortable for some users, especially if you’re planning to use the lens for extended periods of time. Additionally, the aperture range may not be adequate for some professionals, as shooting in low light conditions can prove to be quite challenging using this lens.
Conclusion:
Overall, the Sigma DC 17-70mm F 2.8-4 Macro OS HSM lens is a fantastic investment for enthusiasts and hobbyists. It delivers consistently sharp, beautiful, and detailed photos with excellent macro capabilities. Although it may not suit professional photographers who require a wider aperture range, this lens is perfect for capturing high-quality photos in various shooting situations. If you’re looking for a high-quality, versatile lens for your camera, the Sigma DC 17-70mm F 2.8-4 Macro OS HSM lens is definitely worth considering.
Optical design
Full frame equivalent focal length is 25.5-105.0 mm. Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle. Thanks to the macro capabilities this lens can make tiny things look big. It is a ring-type ultrasonic motor designed to provide quick and silent focusing. Bright lens thanks to the high aperture value
Physical characteristics
Weights 535 grams so plan ahead, carry only if really necessary. 89 mm long, requires consideration if you want to carry in the camera bag. With a lens filter diameter of 72 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options.
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allphotolenses.com –
8.0 allphotolenses.com user rated as 4.55/5
ebay.com –
17 ebay.com user rated as 4.95/5
Ebay.com Aug 15, 2018 –
Perfect walk around, low light and portrait zoom lens for aps-c cameras The version I got is the Sigma 17-70 F/2.8-4 DC Macro HSM. It is not the OS (Optical Stabilzer) model. This particular version is in the Pentax K mount so OS was not needed anyways.
Since vetting the lens, I’ve put it through the ringer. Shot Portraits both with off camera flash and natural light wide open. Low light portraits wide open. Each situation resulted in near prime lens sharpness.
Astrophotography was a bit difficult because the lens can focus past infinity and the throw isn’t very long, so making micro adjustments is pretty hard to pull off. The flip side is this, once It’s dialed in, the contrast, saturation and color are amazing! The details really stand out. I was told by a number of my pro photog friends to grab the 17-50 2.8 since it’s a fixed aperture. I decided not to since if I want a shallow depth of field I can use the compression of the extra 20 mm in focal length for pretty much the same effect at F/4 as I would get with 50 mm at 2.8. Not to mention the extreme close focusing that the 17-70 allows is awesome! It’s not true 1:1 macro but with the proper post processing technique you can easily create 1:1 macros with this lens without loss of quality.
I highly recommend this lens if you’re looking for a high quality lens for travel, walk around, landscapes and portraits and/or you’d like an upgrade from the kit lens. Just keep in mind that the Sigma isn’t weather sealed.
Ebay.com Apr 10, 2017 –
good lens for the price the lens is hefty for its size. well-made, good fit and details.
the lens takes good pictures, and the zoom range is very handy.
the one drawback is that the lens does not let in enough light. i expected to be able to take pictures in lower light situations, but the lens struggles in this area. I realize that f2.8 is not a huge aperature, but i expected a bit more.
in mid to bright light situations, this lens rocks! i took pictures of the high school track meet, and all but the fastest feet and hands were well in focus and not blurred.
overall a good buy, and fairly versatile, except for low light.
Ebay.com Sep 06, 2017 –
Light Weight and Sharp Enough! A great alternative for crop sensors at an affordable price. Not tack sharp wide open but step down to 4.0 at the lower end and 5.6 at the high end and it is perfect. Bokeh is very good but not perfect. For the price you pay I think is is a great lens. For Macro, please buy a dedicated macro lens instead.
Ebay.com Jun 08, 2016 –
Amazing lens I bought the lens because I wanted a higher functioning and lower f-stop lens. This lens does that! I have kept it on my camera constantly since I purchased it (a month or so ago). I highly recommend it! For being a beginner, it was a great value that provides fantastic quality.
Ebay.com May 23, 2019 –
Awesome Lens I love this lens. Checked it with Reikan FoCal anti it has a consistent focus throughout the focal lengths. This one stays on my camera.