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51 votes
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Why buy prime super telephoto lenses instead of zoom super telephoto lenses?

Who in the world buys large primes? Wildlife and sports photographers, mostly. I'm struggling to see how one would find use in a long focal length prime, 300mm and above for example: without zoom, ...
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24 votes

Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

The 24-70 is an incredibly good lens - it's as sharp wide-open as just about any prime at every focal length across just about its entire field. But it's only 24-70. As you're talking about a full-...
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21 votes
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How to avoid changing lenses all the time when shooting with primes?

I'm by no means an expert. But one thing that I've tried is having 2 bodies. It sounds expensive, but it doesn't necessarily have to be. I have an old Canon Rebel, and more recently bought a Canon 7D. ...
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16 votes
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Can I work with ONLY a single fixed focal length lens?

I am on the edge of investing in the Sony a6000 ... Ok, fallacy #1. :) You never invest in a camera unless you're a pro and can write it off on your taxes. Cameras depreciate. Even while new. Your "...
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15 votes
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Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

Would switching to full frame Canon and getting that lens be an upgrade over my Fujifilm gear? For some shooters it would be. For others it would not. For a true photographer it shouldn't make a ton ...
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14 votes
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Any tricks to escape the zoom lens trap?

I think this is a great exercise and can really help you with your photography — even if you end up using zoom lenses in the future. And, there is a commonly-used "trick" here — it's called One Lens, ...
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  • 140k
12 votes

How can a lens with a single focal length focus on more than one plane?

First, focal length is a property of a lens (by lens I mean a piece of plastic or glass that's inside your camera's photographic lens system). If you just have a single lens (think magnifying glass) ...
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  • 221
12 votes

What difference is there between the 50mm in a zoom lens, a 50mm prime lens, and a 50mm macro?

Let's start with what is similar with all three of these lenses: They all have a focal length of 50mm. You should also be able to have a lot of overlapping focusing distances and aperture values. ...
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11 votes
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Is it normal for a fast prime to exhibit purple fringing in middle of the image?

This is called axial chromatic aberration (or longitudal chromatic aberration) and it's fairly common with large aperture lenses. It appears as a purple halo around objects that are closer than the ...
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  • 2,843
10 votes

What software can show my most frequently used focal length?

Assuming that: The focal length has been recorded in the file metadata You are running a Unix-like OS such as Linux or OS X (or Cygwin in Windows) You have installed the exif command line tool Run ...
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  • 233
10 votes

What's the point in high quality rather expensive cameras with permanently mounted prime lens?

What's the point in high quality rather expensive cameras with permanently mounted prime lens? To take pictures. By creating a camera intended for only one focal length a lot of things cans be ...
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9 votes

Canon 50mm f/1.8 STM vs Canon 50mm f/1.8 II?

The STM version replaces the II version. Optically, they are identical. However, the STM has several advantages: 7 rounded aperture blades vs. 5 non-rounded (no more pentagonal bokeh) Metal lens ...
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9 votes

What's the point in high quality rather expensive cameras with permanently mounted prime lens?

About a decade ago, prominent photography blogger Michael Johnston wrote an essay describing his ideal digital camera, which he called the Decisive Moment Digital, after Cartier-Bresson's phrase. The ...
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  • 140k
8 votes

Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

You might also want to take into account the following: That 24-70 mm doesn't cover even half your current range. You really like the 90mm for portraits, and 90 mm is outside that recommended ...
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  • 3,113
8 votes

Dogs & Portraits: Should I buy the Canon 50mm f/1.4 or the Tamron 35mm f/1.8 for my APS-C DSLR?

Since the choice of lens is highly subjective, we can’t tell you definitively which to pick. Instead, I’ll offer a suggestion about how to make the decision yourself. Each lens has many variables ...
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  • 289
7 votes

Why there is no image-stabilized Canon 50mm lens?

There is a technical reason for not incorporating image stabilisation in a typical high speed Gauss type lens. Optical IS requires a moving lens component that displaces the image laterally without ...
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  • 191
7 votes

Any tricks to escape the zoom lens trap?

I wondered if it is a common knowledge how to "jump off" the zoom lens hook I don't think this is necessarily a good idea. The problem is basically sensor size. With a 1/1.7" sensor, it is easy to ...
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  • 8,334
7 votes

Is replacing all my Fujifilm gear with this Canon zoom lens an upgrade?

Stupid advice This "pro" just sounds like an idiot with a camera. Don't listen to him. Canon is indeed a good brand with many great lenses, but so is Fuji (and Nikon, Sony, ...). Lenses The 24-70 ...
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  • 2,064
6 votes

Are prime lenses sharp across the whole frame while zoom lenses are soft in the corners?

As with any blanket statement, it's not true in every case that primes will give consistent sharpness across the field and zoom lenses won't. To take one specific example, the Canon EF 50mm f/1.8 II ...
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6 votes
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Will a 14mm f/2.8 prime be useful for nearby action shots?

Probably not. The Rokinon/Bower/Samyang/whatever else it is being marketed as this week 14mm f/2.8 is a manual focus lens. That makes it difficult to use for photographing action. And while it is true ...
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  • 167k
6 votes

Can I work with ONLY a single fixed focal length lens?

Question asks for opinions, but the answer can be subjective and still be on spot. The first thing to consider when taking photos is your skill, not the camera. And unless it comes to professionals ...
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6 votes

Why buy prime super telephoto lenses instead of zoom super telephoto lenses?

You might buy one in order to get a balance of high quality, reasonable size and weight, fast aperture, and a lower price. As you say, people often get shorter primes because they like a particular ...
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  • 140k
6 votes
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Is an 85mm prime lens worth getting to blur backgrounds, if I already have a 50mm prime?

TL;DR You will get a bit more and smoother blur. If it's worth the Investment is up to you. But be adivsed that the smoothness of the blur is highly depending on the lens-construction itself, so the ...
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  • 1,448
6 votes

How to avoid changing lenses all the time when shooting with primes?

Mount one lens and focus your mind to pre-vizualize your shots in that focal length. Keep focusing, forget the other lenses in your pocket. Or leave them at home. Once your brain starts working in ...
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  • 5,115
5 votes

What justifies the double price of zoom lenses?

The flexibility that a zoom adds is certainly worth something. As for how much, that depends entirely on you and your photographing habits. If you always use the same focal length, obviously a zoom ...
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5 votes
Accepted

What justifies the double price of zoom lenses?

Does anything justify it? Maybe. But increased complexity requires it, and consumer demand allows it. It is obviously not true that all zooms are more expensive than all primes — those cheap kit ...
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  • 140k
5 votes
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Why doesn't an f/1.8 lens result in a lower ISO than an f/2.8 lens?

It sounds likely that you are taking your image in very low light, where the shutter speed is slow enough in either case that the camera's auto-exposure program is choosing the higher ISO in either ...
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  • 140k
5 votes

What are the pros and cons of constant-aperture zoom lenses, for a relative beginner?

Something the other answers don't touch on: fast f2.8 constant-aperture zoom lenses are typically the manufacturer's best, which is more than just a larger aperture. Special elements and coatings on ...
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5 votes

What are the pros and cons of constant-aperture zoom lenses, for a relative beginner?

It's an old question ( EG http://www.dpreview.com/forums/thread/2714173 ). The short answer is that it is most advantageous for Video, because when you zoom in everything doesn't get darker. For ...
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  • 1,743
5 votes

Get Canon 17-55mm f/2.8 to replace 35mm Prime?

Nobody can make this decision for you. Because everybody's preferences as to what and how they shoot and therefore which equipment is going to work better for them is going to differ. Not to mention ...
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