Canon PowerShot SX50 HS Review
Performance & Photo Quality
Back when I reviewed the PowerShot SX40, I complained that its performance - especially in terms of autofocus -- was not competitive. Canon must have been listening, as they've reduced focus times by 50% on the SX50, and shutter lag by 44%. That doesn't mean that the SX50 is suddenly blazingly fast. Rather, it's just average now, with cameras from the likes of Panasonic still quite a bit faster.
This next table summarizes the SX50's performance in a number of areas:
|Timing||Measured Performance||How it Compares|
|1.2 secs||Above average|
|Autofocus||0.2 - 0.5 sec (W)
0.5 - 1.0 sec (T)
|~ 1.0 sec||Average|
|Shutter lag||Not noticeable||Above average|
(JPEG, no flash)
|~ 2 secs||Average|
(RAW, no flash)
|~ 3.5 secs||Average|
|~ 2.5 secs||Average|
As I said, the SX50 is now average in most respects, and not a class-leader.
There are four full resolution burst modes on the PowerShot SX50, though one of them (Continuous LV) is for manual focus and fireworks mode only, and will not be included in my chart below. That leaves us with regular continuous (locks AE/AF on first shot), continuous AF (adjusts focus and metering between each shot), and High-speed Burst HQ, a scene mode. Here's what kind of performance you can expect for each of those:
|Image quality||Continuous||Continuous AF||High-Speed Burst HQ|
|RAW + Large/Fine JPEG||Unlimited @ 1.0 fps||Unlimited @ 0.7 fps||N/A|
|RAW||Unlimited @ 1.1 fps||Unlimited @ 0.7 fps|
|Large/Fine JPEG||Unlimited @ 2.0 fps||Unlimited @ 0.8 fps||10 shots @ 12.8 fps|
|Tested with a SanDisk Class 10 UHS-I SDHC card|
First, the good news: the PowerShot SX50 can keep shooting until your (high speed) memory card fills up, even with RAW files. There's no waiting for the buffer to clear, either -- even with RAW. The bad news is that the burst rate isn't terribly impressive, especially if RAW images are involved. You can shoot faster using the High-Speed Burst HQ mode, though do note that it's only for JPEGs, limited to ten shots, and the ISO is set to "auto", so images may be noisy.
The SX50 HS uses the same NB-10L lithium-ion battery as its predecessor. This battery holds 6.8 Wh worth of energy inside its plastic shell, which is about average for a super zoom camera. Here's how the SX50 compares against other mega zoom cameras in terms of battery life:
|Canon PowerShot SX50 HS||315 shots||NB-10L|
|Fuji FinePix HS30EXR||600 shots||NP-W126|
|Nikon Coolpix P510||240 shots||EN-EL5|
|Olympus SP-820UZ HS||N/A||4 x AA|
|Panasonic Lumix DMC-FZ200||540 shots||DMW-BLC12|
|Pentax X-5||500 shots *||4 x AA|
|Samsung WB100||N/A||4 x AA|
|Sony Cyber-shot DSC-HX200V||450 shots||NP-FH50|
* With NiMH rechargeable batteries
You already know that the SX50's battery life is quite a bit lower than that of its predecessor. For the cameras that I have numbers for, the SX50's battery life is nearly 30% below the group average. So, you might want to pick up a spare battery, with a Canon-branded NB-10L setting you back around $39.
|Photos are taken under indirect lighting provided by two Smith-Victor Q80 lamps at a focal length of 35mm (equivalent) and an aperture of F5.6 in manual exposure mode.|
Okay, now it's time to see how the PowerShot SX50 performed across its ISO range in normal light. As usual, I'm using our standard studio test scene, which means that you can compare the results with other cameras I've tested over the years (Panasonic FZ200, anyone?). Remember that the crops below only show a small area of the total scene, so click to view the full size images too!
|ISO 80||ISO 100||ISO 200||ISO 400||ISO 800||ISO 1600||ISO 3200||ISO 6400|
The first three crops and nice and clean, with vibrant colors. While there isn't much of an increase in noise at ISO 400, the photo does get noticeably softer. That trend continues at ISO 800, though that photo is still completely usable. At ISO 1600 we start to see some actual noise, and a drop in color saturation. I'd recommend stopping here if you're a JPEG shooter. The noise and softness continue to increase at ISO 3200, and I wouldn't even bother with the top setting.
I'm going to do another RAW vs. JPEG comparison, this time at ISO 3200. Can we turn that photo into something you can print? Let's find out:
|JPEG, straight out of the camera|
|RAW -> JPEG conversion (Adobe Camera Raw 7.3 RC)|
|RAW -> JPEG conversion + NeatImage + Unsharp Mask|
Ahh, detail. That's what you get back by shooting RAW here, and it's a welcome sight compared to the soft mess that is the JPEG. After some easy clean-up work in Photoshop, that ISO 3200 shot has gone from useless to usable.
|This shot was taken in manual exposure mode at an equivalent focal length of 24mm and an aperture of F5|
It's around Christmas time, so the San Francisco skyline has a few extra decorations, as you can see. While I used manual exposure to bring in enough light here, you can do the same by using Smart Auto or one of the scene modes. There isn't too much highlight clipping here, with even the US Bank sign being sort-of legible. The buildings are nice and sharp. There's very little noise to speak of, and purple fringing is minimal.
Normally I like to show you how the camera performs in low light across its ISO range. Unfortunately, Canon won't let me do that. As on some of their other recent cameras (such as the PowerShot G15), they lock the ISO at 80 if the shutter speed is below 1.3 seconds. That makes sense from an image quality point-of-view, but putting such limitations one of their flagship cameras (especially in "M" mode) is as dumb move on Canon's part.
With that in mind, there's a big jump in the thumbnails below, from ISO 80 to 800, then continuing all the way to 6400.
|ISO 80||ISO 800||ISO 1600||ISO 3200||ISO 6400|
Besides the fact that there's a fair amount of detail smudging at ISO 800, there's also a big change in color, with a noticeable green cast appearing at that point. I probably wouldn't go above ISO 800 in very low light situations, unless you plan on shooting RAW (more on that below). ISO 1600 is for desperation only, and I would avoid the top two sensitivities at all costs.
Can we make that ISO 1600 night shot look better by shooting RAW and doing some easy post-processing? Let's find out:
|JPEG, straight out of the camera|
|RAW -> JPEG conversion (Adobe Camera Raw 7.3 RC)|
|RAW -> JPEG conversion + NeatImage + Unsharp Mask|
The first thing you get back by shooting RAW is normal color! You also get back some detail, but not a ton. Still, it's worth shooting RAW if you're at ISO 800 or 1600 in low light, but don't expect great results at higher sensitivities.
Our usual macro test subject looks very good here. The thing that stands out the most to me are the colors, which really "pop". The subject is nice and sharp, with the "smooth" appearance that one usually sees on Canon cameras. Noise is not a problem here, nor would I expect it to be.
The minimum focusing distances range from 0 cm (that's not a typo) at full wide-angle up to about 30 cm at around the 20X position. The distance continues to increase along with the amount of zoom power, until it starts to go back down (to 1.3 m) at the full telephoto position.
The PowerShot SX50 tries to eliminate redeye in two ways. First, it'll fire the AF-assist lamp a second or so before the photo is taken, with the goal of shrinking your subject's pupils. I've found that this rarely works. The second part of the removal system is a digital system (which needs to be turned on in the Flash Settings menu), which tries to get rid of any redeye that shows up in a photo.
|Straight out of the camera, both redeye reduction features turned on|
|After a trip through the redeye correction tool in playback mode|
As you can see, neither of those methods completely worked. All is not lost, though -- there's a removal tool in playback mode that was able to get rid of the red, so definitely try that if your flash photos have redeye.
Distortion (at wideangle setting)
There's very mild barrel distortion at the wide end of the SX50's 24 - 1200 mm lens - most likely since Canon is correcting for this automatically. There's some very slight corner blurring in real world photos, and thankfully no sign of vignetting (dark corners).
Overall Image Quality
Overall, I'm pretty happy with the photo quality on the PowerShot SX50 HS. Its biggest problem, by far, is that it loves to clip highlights. The solution is to use the DR Correction feature that I mentioned earlier, though keep in mind that noise levels will increase as a result. You can also use the HDR feature, but that (usually) requires a tripod. The SX50 occasionally overexposed a bit at times, as well. Aside from that, the news is good. Colors are saturated, subjects are sharp, and noise levels are comparable to the best super zooms in this class (at least at lower ISOs).
As you've seen, the SX50 isn't the greatest when the ISO gets to around 800 though, and the slow lens makes that happen quicker than I'd like. As long as you don't expect the PowerShot SX50 to be the low light champion of the world, you'll probably be happy with what it can do. If you are taking a lot of action or low light shots, then you should probably be looking at the Panasonic Lumix DMC-FZ200, with its constant aperture F2.8 lens. While purple fringing occasionally popped up in the photos I took with the SX50, it wasn't nearly bad enough for me to consider it a problem.
So that's my opinion -- now it's time to make up yours. Have a look at our photo gallery, maybe printing a few of them if you'd like, and then decide if the SX50's photo quality meets your expectations!
Jan 15, 2013
Sep 17, 2012
Jan 15, 2016
Jan 12, 2016
|Big Steaming Pile by WhistlerOne|
from Product Shoot: Coffee
|AU4_6418_BB-35 by DaveInHouston|
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