Linked Questions

121
votes
7answers
12k views

What is bokeh, exactly?

I understand that "bokeh" refers to out-of-focus areas of an image — but there is obviously more to it than that. What does the term mean exactly? How well is bokeh really understood? Is it purely ...
70
votes
12answers
81k views

Is there a noticeable difference between 1.8 and 1.4 prime lenses?

I have been shopping around for a prime lens for my Nikon D50. I noticed that the 1.8 is hundreds of dollars cheaper than the 1.4 AF-S. What will I gain for that cost difference? Is it really ...
38
votes
8answers
10k views

Why do people recommend 50mm or other prime lenses as starting lenses for learning photography?

I've seen quite a few people recommend the 50mm prime lenses, in particular the sub-$100 50mm/f1.8, as a starting lens for photographers (especially because they're likely to be using cameras with ...
21
votes
4answers
10k views

Is it true that there are no stabilized prime lenses (and if so, why)?

Fast prime lenses like the Canon 50mm f/1.4 lens work nicely in low-light situations. But I'm quite sure they would work even more nicely if they had optical image stabilizers. It seems to me that no ...
32
votes
3answers
4k views

How does Image Stabilization / Vibration Reduction work?

I know the effect of IS and VR, but what exactly is going on when they're enabled... how do they work from a technical standpoint?
38
votes
2answers
7k views

Why no zoom lenses with a maximum aperture wider than f/2.8?

I can understand that a zoom lens with a maximum aperture wider than f/2.8 would be difficult and costly, but it seems like something pros would kill for. Surely it can't be more expensive (if its ...
17
votes
6answers
5k views

When would one need manual focus override?

In lens reviews, ability to override auto-focus manually is often referred to as a good (and important) feature. I have rarely, if ever used that feature, so I feel I might be missing out on an ...
19
votes
2answers
9k views

What is the benefit of an internal focus lens?

The "IF" in Pentax DA★ 200mm f/2.8 ED (IF) SDM stands for "Internal Focus". I know what this means: the lens doesn't change in size as I focus. (And it's true; it doesn't.) What's the point of this, ...
5
votes
3answers
2k views

Are prime lenses sharper than normal or telephoto zoom lenses?

Example: The prime lens Nikon 1.4F G is said to be very sharp at F3.5. So, if I compare that with the normal or telephoto zoom lens's F3.5, will the level of sharpness be same? If no, then will the ...
4
votes
3answers
3k views

Will a prime lens help me get better portraits at a wedding?

I have a Canon 600D with the EF-S 18-55mm f/3.5-5.6 IS lens. I have a friend's wedding coming soon, and I'm not sure if my zoom lens will do a good job or not. I was thinking of buying a prime lens so ...
8
votes
1answer
1k views

How is Bokeh created?

I am not asking how to create a bokeh effect. I found the answer to that quesiton here: Best way to get shaped bokeh? The answers on that question say you basically cut out an image from a piece of ...
4
votes
1answer
1k views

24mm f2.8 vs 24-85 f3.5-f4.5 (Nikon)

I have a 17-50 f2.8 zoom (Tamron) and while it performs admirably, it is heavy. So I was thinking of a 24mm f2.8 prime, when I also read up on the 24-85 f3.5-4.5 (non-VR) AFS lens. Here's the ...
2
votes
2answers
2k views

What is considered a professional grade Macro lens?

Macro (or Micro for Nikon) lenses come in different focal lengths, however looking through the current list of canon Macro Nikon Micro lenses they mostly have the same f2.8 apeture. (apart from the ...
1
vote
2answers
98 views

What aspects are important in a lens for candid shooting in ambient light indoors?

I have solid lenses for my 7D for outdoor photography, but now I want to venture indoors. Closer focal distance, Potentially less light. What are the key artistes of a lens that I should look for? ...
1
vote
4answers
193 views

Is the Sigma 35mm worth it for an APS-C? [closed]

I am a beginning photographer and want to upgrade my gear. I have a crop sensor Canon camera and usually use a 50mm 1.8 lens for my portraits. Recently I have been looking at the Sigma 35mm 1.4 lens ...