With the Canon 70-200 f4 lens you get 95% of the capabilities of the 70-200 f2.8 lens at about 60% of the price (the IS-image stabilization versions).
The 70-200mm f/4 is great for you if want to try out a medium telephoto zoom lens, want great performance but don't want to carry around a heavy beast that cost you a boatload of cash.
A little bit of muscle fatigue from shooting with a heavier lens like the Canon 70-200 f2.8 for a few hours might be enough motivation to go with this smaller, but sharp and capable Canon camera lens.
I used my 70-200 f 2.8 extensively for shooting portraits, but I am seriously considering selling it and buying the f/4 version.
For the majority of Canon shooters, the f4 makes more sense.
The 70-200 f/4 is significantly shorter and lighter than it's big brother the 70-200 f/2.8 and is dwarfed by my 400mm f/5.6 lens.
Size. Yes, you get a really sharp "L" lens, and yes it's great for portraits, and it's certainly versatile enough for a lot of other shooting situations. For me though, it's all those performance qualities packed into a zoom telephoto lens that is so light and easy to work with.
The photo below shows me sliding the f/4 into my favorite belt bag. I love the convenience of having my cameras and accessories available to use in a split second.
If you like to travel lightly and don't need to be a fashion statement, consider using a belt-pack. I can easily have my 70D body with lens attached or the f/4 lens available to me at waist level.
The Canon L-series lenses are highly sought after but are accompanied by a hefty price tag. Many believe that the Canon 70-200 lens without IS (image stabilizer) is simply the best value in the the L-series.
There are actually two versions of the Canon 70-200 f4 lens as well as two versions of the Canon 70-200 f2.8.
Canon EF 70-200mm f/4.0 L USM Lens released in 1999
Canon EF 70-200mm f/4.0 L IS USM Lens released in 2006
Canon EF 70-200mm f/2.8 L IS USM Lens released in 2001
Canon EF 70-200mm f/2.8 L IS II USM Lens released in 2010
The f4 weighs about half of what the Canon 70-200 f 2.8 does. Not only is that surprising but it's also significant as well. It's got the same zoom range and magnification power for less than half the cost.
Maybe that's why it is such a popular Canon lens choice. There are a few things you may want to be aware of when considering using or buying this lens.
1. It outsells the Canon f 2.8 by about two to one on Amazon.
2. You can still get a eye-pleasing shallow depth of field at f-4 which is great for portrait photography.
3. The original Canon 70-200 f4 version does not have a great weather seal like the more modern versions.
You will still look and perform impressively as a photographer when you carry this simpler, smaller Canon lens versus carrying the Canon 70-200 f 2.8.
One of the best Canon accessories for this lens is a tripod collar mount.
It gives you much better balance on a tripod or monopod and super easy camera rotation.
This lens has a constant aperture through its entire zoom range. That means that should not much shift in focus if you go to different zoom factors once you have focused on your subject.
One of the few drawbacks with this lens is in low light situations. There may be times when you wish you had that extra f-stop of light collecting glass like the Canon 70-200 f2.8.
Fortunately, modern Canon DLSRs have dramtaically improved quality with higher ISO settings, meaning you can get great results with less available light.
You also have the 4-stop slower shutter speed capabilities with the f/4.0 L IS USM Lens.
-Minimum focus distance is 1.2 meters.
-Image stabilizer has 2 different modes and is rated at 4 stops.
-1 Flurite lens element and 2 UD lens elements for improved optical performance.
-Good background blur because of circular diaphragm.
When you spend a lot on a good lens you will also want to consider what Canon 70-200 lens accessories are worth buying too.You can get more canon camera reviews, opinions on other Canon accessories and the Canon 70-200 f4 lens here at the Amazon site: Reviews from consumers - Canon 70-200 F4
I spend a lot of time on the major camera review sites, manufacturers sites, as well as read many post in the photography equipment forums.
Here are some of the phrases by people describing the Canon 70-200mm lens:
"ergonomics and operation are flawless, "
"the IS is so good , I can leave my tripod at home,
"quick and quiet autofocusing,"
" Super sharp images," "light weight"
"This by far has to be the best lens I have ever used"
"it's light, compact, and it keeps its size even zooming,"
"The pictures are fantastic and the sharpness is nothing short of amazing."
There is no doubt that every camera and lens manufacturer produce a few lemons, just like the automobile manufacturers do.
When you get 91% of reviewers giving a product a 5-star rating, it's a pretty safe bet that it is a great product. You can only read so many reviews and opinions on anything and then you just have to go out and give it a try yourself.
Good Luck whatever you choose.
Canon Camera Geek
Written by Bruce Lovelace
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Lens Hood for 70-200mm f/4
Lens Collar for Canon 70-200 f/4 Lens