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Sigma 18-50mm f/2.8 EX DC
The Sigma 18-50mm f/2.8 EX DC is a camera glass that can zoom in and out, with a bright aperture value that allows for good quality photos. It has seven aperture blades that provide a circular out-of-focus effect. The lens is designed for APS-C cameras and has a focal length equivalent to 27-75mm for full-frame cameras. The lens weighs 445 grams, has a filter diameter of 67mm, and is 74mm long. The lens is well-built and has good resolution. It has both autofocus and manual focus options. The lens has multiple lens elements and is coated to reduce glare and improve image quality. The manufacturing time of the lens is not mentioned. There are alternative lenses available in the market.
of the Sigma 18-50mm f/2.8 EX DC camera lens.
Positives:
I have been using the Sigma 18-50mm f/2.8 EX DC camera lens for a few months now, and I must say, I am blown away by its performance. The lens is sharp, and the colors are vibrant and true to life. The f/2.8 aperture is also fantastic, providing an excellent depth of field effect and allowing for excellent low light photography. The lens is also well-built and sturdy, making it reliable when out in the field.
Negatives:
One downside to the Sigma 18-50mm f/2.8 EX DC camera lens is that it is a bit heavy. It can make the camera feel slightly unbalanced and can cause some discomfort when using for extended periods. Another downside is that the zoom range is limited, which can be a problem for some photographers who require more significant focal lengths.
Conclusion:
Overall, I highly recommend the Sigma 18-50mm f/2.8 EX DC camera lens to any photographer looking for excellent image quality and reliable performance. Its vibrant colors, sharpness, and fast aperture make it the perfect all-around lens for a wide range of photographic styles. And while it has some downsides like being slightly heavy and having a limited zoom range, these are minor issues that can easily be overlooked for its outstanding overall performance.
Optical design
Full frame equivalent focal length is 27.0-75.0 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. Bright lens thanks to the high aperture value
Physical characteristics
74 mm long, requires consideration if you want to carry in the camera bag. Weights 445 grams so plan ahead, carry only if really necessary. With a lens filter diameter of 67 mm commonly filter size, offers a wide range of filter options.
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Falcon 8mm f/3.5 Fish-Eye CS
Falcon 8mm f/3.5 Fish-Eye CS camera glass is a type of photo lens that captures a wide-angle view of the scene, creating a unique and distorted perspective. It is a manual focus lens that allows the photographer to have full control over the focus. The lens has 10 elements in 7 groups, which helps to produce sharp images with minimal …
dyxum.com –
24 dyxum.com user rated as 4.19/5
ebay.com –
7 ebay.com user rated as 4.5/5
Ebay.com Sep 01, 2009 –
opinion of Sigma 18-50 EX DC Macro for Canon First off, don’t miss the C designation, this lens is not for full-frame sensor cameras. Having just bought a 5D, i only used the lens a little, on a D60, but i liked it for its compactness. MACRO! The macro is fabulous, focuses to just a few inches from the lens, and seems sharp and clear. The focus speed is much better than a similar sigma i had previous to this. I’ve given the lens to my son along with the D-60 and the combo is perfect. I had no complaints about the lens, this is a sigma EX series lens, and stands well in comparison to Canon L glass, just note it is a C lens. Perfect for most dslr shooters, though a full-sized lens will generally offer less distortion even on a C sensor camera, the price diff is a huge consideration for most, and this unit is at the top of its class, and half the size and weight of a full-frame unit.
Most of you know this, but this lens on a C sensor cam is really the equivalent of about a 28-80. One day maybe “they” will designate these focal lengths differently, but for now we must convert to know what the numbers mean. It is still a very wide angle zoom, perfect for a one-lens guy or gal.
If this is your price range, i would choose it over a standard canon lens,and it is, as i said, quite compact for its range. REmember also that this is a 2.8 lens, through the entire zoom range, quite fast for a zoom, so especially recommended for low-light, portrait, and higher shutter speeds, (not necessarily at the same time of course). The wide-open setting is where the camera focuses, so the bigger glass makes for faster focusing as well.
I just didn’t use it long enough to give it excellent rating, but i think it probably is. Highly rec’d anyway. Comes in a nice case too, (better than a 1200.00 Canon L case), and typical petal-shaped lens hood. These lenses, even Canon’s, can vary, so if you get one that seems out of whack, send it back, but try another.
Ebay.com Jul 19, 2017 –
Ok but not great. If you can afford it, get the new Sigma 17-50mm f/2.8 EX DC OS HSM Zoom Lens instead. I bought this 18-50mm f2.8 to use for video in manual mode but the focus ring sticks and is not consistently smooth. Have to do several takes to get follow focus right. Sharpness is ok but not great. That said the zoom range is great for street photography but the autofocus is slow and hunts most of times. Reviews on the new 17-50mm HSM says the auto focus is much improved and quieter.
Ebay.com Jul 17, 2017 –
Quirky AF The glass is great, but the AF can be quirky. It rocks in auto mode. If you switch it to AP, it just can’t find that place easily and the motor noise is very irritating.
Ebay.com Nov 25, 2010 –
Fantastic, Fast and Sharp Lense I love this lense. I’d suggest it 10 fold over the Tamron of the same calibre. It’s fast, glass is super sharp and the 2.8f is fantastic. This is a GREAT lense if you are using a video DSLR because it gives you a wide range of focal lengths, 2.8f for some great DOF and it’s priced great! 10/10
Ebay.com Jul 05, 2016 –
Super! Super!