Photography Asked on March 1, 2021
I am considering purchasing a DSRL for bird photos. Do you think the Canon EOS 7Dll a significant upgrade over the Canon EOS 7D, particularly the consistency of sharp photos?
The biggest difference between the EOS 7D and the EOS 7D Mark II is the much more consistent autofocus system. As someone who has shot over 50,000 frames on each camera I can tell you that the difference is noticeable, especially when shooting in AI Servo AF mode. The way the original 7D tended to jitter back and forth is not near as big a problem with the 7D Mark II.¹
There's also a pretty good improvement in terms of low light/high ISO performance.
The low pass filter (anti-aliasing filter) on the 7D was a bit too strong. The 7D Mark II, in my opinion, strikes a better balance between absolute resolution and reducing the effects of moire.
The four areas where the 7D Mark II outclasses the 7D for sports and action (such as birding) are
I shot with the 7D for 3+ years and the shot-to-shot inconsistency of the AF system was that camera's achilles heel. It was extremely frustrating to fire off a ten shot burst and get 3-4 well focused images, 3-4 slightly out of focus images (evenly divided between front and back focused), and a totally blurry flyer or two, even when the target was moving at a fairly constant speed and direction.
I've been using a 7D Mark II for about three years and the AF system is much closer to the world class AF system on my 5D Mark III (which is practically the same as the AF system in the 1D X) than any other APS-C camera I've ever used. There's still a small performance drop compared to the FF 5D Mark III, probably due to the narrower baseline of the narrower APS-C sized mirror and the semi-translucent spot in the middle that allows light through to the PDAF array, but it is nowhere near as wide a gap as there was between the 7D and the 5D3.
The 7D Mark II AF system has 65 AF points, all of them cross type. The 7D had 19 AF points, also all cross type. Both have a dual cross type center AF point sensitive to f/2.8. The 7D AF system is rated down to -0.5 EV, the 7D Mark II can AF down to -3 EV.
Another advantage is the 7D Mark II's 252 zone RGB+IR light meter that meters red, blue, green, and near infrared light independently compared to the 7D's 63 zone monochrome light meter. Not only is the metering more accurate, but the color sensitivity capability of the light meter is actually harnessed to assist in tracking moving subjects in AI Servo AF mode. This would be a significant advantage for shooting birds in flight. The two Digic 6 processors handle all of the data bandwidth that requires. The 7D has two Digic 4 processors under the hood.
The 7D Mark II also shoots at 10 fps compared to the 8 fps of the 7D and can shoot nearly twice as many raw files before the buffer starts slow down the camera (31 vs. 17) as the 7D could when released in 2009. With the 2012 firmware update the 7D could shoot about 24 frames before the buffer filled. With a fast card you can pretty much shoot to JPEG until the card is full or the battery is dead without being slowed down by the buffer of the 7D Mark II! The 7D stalled at about 130 jpegs.
In addition to the much better AF performance, metering, and faster handling, if you ever need to shoot under flickering artificial lights such as those found in gyms and sports stadiums, the "anti-flicker" feature is worth the price of the 7D Mark II! The camera syncs the shutter to release when flickering light sources at 100hz or 120hz (or their harmonics) are at their peak. It supposedly slows down the maximum frame rate just a hair, but I still get 9+ frames per second shooting at ISO 2500!
For further reading:
Please see the comment stream to this answer to Why isn't my Canon 70D autofocus accurate in manual zone AF mode with a 50mm f/1.8 lens?
Here's a direct comparison between the EOS 7D Mark II and the EOS 80D, which is superior to the 7D in pretty much every way.
This blog entry from Roger Cicala, the founder of lensrentals.com and generally recognized lens guru. Autofocus Reality Part 3B: Canon Cameras
This answer to Are full-frame cameras bad for sports photography?
¹ All cameras, even the best, do it to some extent. The question is exactly how much they do it and is that range of variation within what we consider acceptable or not.
Answered by Michael C on March 1, 2021
Do you think the Canon EOS 7Dll a significant upgrade over the Canon EOS 7D
Yes, of course the 7D Mark II is a significant upgrade from the 7D. It's about five years newer and has a long list of improvements and new features: newer processors, dual pixel AF, many more AF points, GPS, higher ISO settings, faster continuous shooting, more sophisticated metering, and so on.
However, whether that list of features is significant to you is a different question. If you're looking for a first DSLR, the 7D might offer everything you want, and the money you save buying a used 7D instead of a new 7D mk II might let you purchase other gear, like lenses, that will help you more than the feature upgrades in the 7D mk II. Only you can decide that.
particularly the consistency of sharp photos?
I don't think the 7D had a problem with consistently getting sharp photos, so it's hard to say that the 7D mk II is necessarily better, but some features may help, depending on the situation. Dual pixel AF and more AF points will make it easier to compose the shot you want and keep it sharp. Higher ISO means you can use a shorter exposure and/or smaller aperture in low light, meaning you get less motion blur and/or more depth of field.
Answered by Caleb on March 1, 2021
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