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Questions about lenses that have a fixed focal length.

learn more… | top users | synonyms

19
votes
3answers
3k views

Why do wide angle prime lenses have relatively small apertures?

I've noticed that many of the wide angle prime lenses (at least for Canon) have somewhat smaller apertures than their normal or telephoto counterparts. E.g. the regular Canon 24mm prime is f/2.8 while ...
6
votes
3answers
9k views

Nikkor f/1.8G 35mm or 50mm?

I'm new to photography. I got a Nikon D3100 with the 18-55 kit lens. I was looking to buy a f/1.8 prime lens, and I found two options: AF-S DX NIKKOR 35mm f/1.8G AF-S DX NIKKOR 50mm f/1.8G How ...
1
vote
1answer
66 views

What critereas to consider to match cameras and lenses for shooting people at parties?

I normally don't like shooting people that much, because I like to experiment with settings, lenses etc. to get a result that I like, so it helps when the subject doesn't move (Mountains and buildings ...
1
vote
4answers
215 views

What to gain from using a Nikkor AF-S 85mm f/1.8G instead of a AF-S Nikkor 35mm 1.8G

After debating the old age 50mm vs 35mm, I have opted to go for a 35mm. I have a Nikon D3200 with a Youngno Flash, and just acquired a SB-600. I shoot two things: clubs/nightlife and weddings as a ...
0
votes
3answers
195 views

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

I use a Sony NEX-5R, and I bought the Sony 18-105 F4 constant-aperture lens. I'm aware that the constant-aperture F4 gathers more light than, say a F3.5 - 5.6, and it gives you more control over the ...
27
votes
6answers
2k views

What is the definition of a “prime lens”?

There are many discussions of differences between prime, zoom and macro lenses. I have not heard about prime lenses until recently. Could someone explain what exactly a prime lens is? Is it ...
-1
votes
2answers
397 views

Why doesn't an f/1.8 lens result in a lower ISO than an f/2.8 lens?

When I bought my Sony NEX-5R, I had a choice of an f/1.8 or an f/2.8 lens (both are prime, normal lenses). I was told the 1.8 will work better for low-light photography since it will let in lot more ...
0
votes
3answers
675 views

35mm vs 40mm: Does it matter?

I want to buy the lens Voigtlander Nokton 40mm F1.4, $449 Voigtlander Nokton 35mm F1.4, $629 I am asking, why the slightly difference in focal length, the price difference in so much as $180? ...
-1
votes
1answer
113 views

Does manual focus carry over to a different aperture, lens or focal length?

This is in the manual focus mode. If I focus my lens so that a certain object is clear and crisp, and then do one of the following, will I have to focus again? Change the aperture Switch to a ...
13
votes
4answers
9k views

What is a 200mm lens good for?

I just found that there is a 200mm lens at my school. It is a Canon with Image Stabiliser (with red detail). It is old, at least 10 years. It has been great playing around with it, but I really don't ...
2
votes
4answers
149 views

What justifies the double price of zoom lenses?

When I read the pros and cons of these two type of lenses, the lists looks like this: Pros of prime: Sharper images Lightweight Cheaper Bigger aperture (shallow dof, better in low light) Even ...
17
votes
4answers
2k views

Fast prime vs. expensive zoom for indoor sports photograhy?

I plan to try shooting my kids' indoor activities (Tae Kwon Do and Figure Skating). I can get pretty close to the action for TKD, and I have access to ice/board level positions for shooting at the ...
4
votes
9answers
7k views

Do I need a filter for my prime lens in order to protect it from dust, splashes, etc?

From here: http://photo.stackexchange.com/a/569/5205 UV Filters: Many photographers feel that it is worthwhile to put a UV filter on the front of every lens, on the basis that this will protect ...
4
votes
7answers
1k views

What prime lens for taking portraits of my child with a Canon APS-C DSLR?

I purchased a Canon T4i with a 18-135mm STM lens. I'm interested in getting a prime lens to take portrait photos of my child. My budget is up to $500.
34
votes
9answers
7k 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 ...
3
votes
4answers
920 views

Can different metering modes affect sharpness for a m42 prime lens?

Recently, I got some old m42 prime lens from Ebay and started playing with them with my Canon T3i/600d. However, it's difficult to get sharp pictures with these manual focus lens as there is no AF ...
11
votes
4answers
800 views

Other than speed and weight, what advantages might a prime lens have over a zoom at the same focal length?

At the same focal length, apart from speed and maybe weight, what other advantages does a prime lens like the 50mm have over a zoom lens like the 24 - 70mm? To put it better, If I set my 24-70mm lens ...
60
votes
11answers
24k 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 ...
30
votes
4answers
7k views

What software can show my most frequently used focal length?

Many people recommend a focal length of 35mm, 50mm, and sometimes even 85mm and upwards for those interested in purchasing a prime lens. I, however, would like to figure out what focal length(s) I use ...
1
vote
1answer
152 views

What are the distinquishing features of 50mm prime lenses for Sony?

I have a Sony SLT A58 and the standard 18-55mm zoom, and am thinking to go for a 50mm prime — but I am not sure which is the best one for me. Are there other manufacturers besides Sony which develop ...
18
votes
4answers
4k 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 ...
2
votes
0answers
114 views

Nikon 300mm autofocus makes noise and stops working temporarily

I have a Nikon D5100 and a used Nikkor 300mm AF-S f/2.8D IF-ED II, where the two usually work great together. However, if I use autofocus a few times in a row (usually when the change in focus ...
4
votes
4answers
479 views

How do I compose photos with prime lenses?

I own a Sony NEX-5R, with two prime lenses: 19mm F2.8 Sigma, and 35mm F1.8 Sony. How do I best compose photos with prime lenses like these? I can think of a few: Walk towards or away from the ...
1
vote
1answer
174 views

Am I correct that photos from the 16-50 lens won't be much better than cropping photos from the 35mm prime?

I own a Sony NEX-5R, with the Sony 35mm F1.8 prime and the Sigma 19mm F2.8 prime. I'm deciding whether to buy the Sony 16-50 power zoom. To make that decision, I need to decide whether cropping the ...
3
votes
5answers
244 views

How do I compare two prime lenses of different focal lengths?

I have a Sony NEX-5R with two prime lenses: 19mm F2.8 Sigma, and 35mm F1.8 Sony. I'd like to compare these two lenses to see why the second lens cost me more than twice the first, what the differences ...
0
votes
0answers
99 views

Is it convenient to build a collection of prime lenses and forgo a zoom entirely? [duplicate]

I use a Sony NEX-5R, with a couple of prime lenses (19mm F2.8 Sigma and 28mm F1.8 Sony). I am trying to decide whether I should buy a longer prime lens, like the 60mm Sigma, or buy a zoom lens ...
9
votes
7answers
438 views

Should I postpone buying a zoom lens until I've learned to zoom with my feet?

After several years of shooting with my point-and-shoot, I upgraded to an NEX-5R, with two prime lenses — a 35mm f/1.8 and a 19mm f/2.8. I don't have a zoom lens, not even the kit lens. I've been ...
11
votes
5answers
801 views

Why are 50mm no longer the default kit lens for prosumer SLRs?

Every time someone asks me for a kit recommendation I point them towards some sort of prime lens with a standard focal length. Similarly, almost anyone I talk to about the ideal budget kit swears that ...
0
votes
2answers
960 views

Canon Prime Lens for Fashion Street Photography (Full Frame) [duplicate]

I shoot mainly Street Fashion and need something with fast focus, large aperture and small to carry with me. I've narrowed down my options to 35L vs 50L. I am wondering since the 50L can be used ...
0
votes
1answer
125 views

Why does my Canon 50mm f/1.8 have an interference pattern on the viewfinder

This is on my 600D. I'm a noob so forgive if it's obvious. There's a clear moire-like interference pattern on the viewfinder on the 50mm which is not as obvious at all on the kit lens. It's especially ...
2
votes
1answer
290 views

How would Yashica M lenses compare with modern Canon lenses in terms of image quality?

I’ve come across an interesting offer where I can get the following for just $90 bucks: 1.Yashica ML 28mm f2.8 2.Yashica 50mm f1.9 3.Yashica 135mm f2.8 4.Yashica to Canon EOS Adapter Now let’s ...
15
votes
10answers
28k views

Which prime lens for Pentax?

My girlfriend is buying a Pentax K-5 (I already have a Pentax DSLR so we thought it made sense for us to be able to share lenses), and she's not sure about which lens to get with it, so I've been ...
0
votes
2answers
1k views

To buy 50mm or 35mm prime lens [duplicate]

I have a Nikon D3100 with 18-55mm and 55-200mm lenses. I am planning to buy 50mm f1.8G lens for which I've checked reviews and they were pretty great. I came in here and browsed through other similar ...
2
votes
4answers
765 views

Is 24mm F/1.8 Prime lens blur bokeh is good (not distorted face) for portraits

I want to buy and do a photos+video interview with Sigma F/1.8 24mm Fixed Prime. I did profile photos/interviews with my Sigma 85mm F/1.4 on My Sony A77 APS-C camera. I used to use F/1.7-F/2 as a ...
9
votes
4answers
850 views

Is it the same if you take a picture by setting 50mm in a 18-55mm lens and by using a 50mm prime lens?

Is it the same if you take a picture setting 50mm with a 18-55mm lens and a 50mm f/1.8 prime lens? Assuming that ISO, aperture, and shutter speed are the same, will both the lens give same results? I ...
2
votes
3answers
380 views

Are polarizing filters as useful on normal lenses as they are on wide-angle lenses?

I have seen people using Polarizing filters on many wide angle lenses. Is it worth using a Polarizing Filter on a 40mm 2.8f STM Pancake lens or any other prime lens?
2
votes
1answer
162 views

Canon 40mm STM - The focus cannot be adjusted in manual mode

I bought a new Canon 40mm STM lens and in the Lens Manual it says The focus cannot be adjusted in manual mode. Does it mean that its harmful to rotate the focus ring when the focusing mode is ...
21
votes
2answers
877 views

Considerations when purchasing a prime lens?

What should I be aware of when buying a prime lens (other than that it will fit my camera)? What specs should I pay close attention to?
11
votes
9answers
4k views

What options do I have for a normal and fast prime lens for a Canon APS-C camera?

I'm looking for a normal prime lens, desirably fast and not too expensive, for my 450D. 50mm seems to be the normal focal length on FF, thus for APS-C, I need about 30mm. I want it to be fast as I'm ...
0
votes
1answer
525 views

What is recommended between a 50mm Nikon f/1.4D (used) with f/1.8G (new)?

I'm using a D7000 and I'm looking into getting a nifty fifty. I'm kinda deciding between the f/1.8G for retail price (~220+tax) or I can get an used f/1.4D for $170. Which one would you recommend?
12
votes
8answers
16k views

What is a good wide-angle prime lens for Nikon DX (APS-C) format?

I am looking for a wide angle lens for my D90, between 12 and 18mm focal length, preferably a prime, because I like fast(er) and cheap(er) lenses. Any recomendation ? Thanks
2
votes
4answers
7k views

What could be the best 'normal' prime lens for Nikon D7100? [duplicate]

The title really says it all. My wife and I have just bought a Nikon D7100, and we're both very eager to learn and get up to a good level fairly quickly. We've got the standard zoom lens that comes ...
13
votes
5answers
12k views

If I have a 18-55mm lens, is there a point in buying a 35mm prime lens?

I have the Nikon kit lens that came with a D5100 — the kit lens is 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom. I was thinking of getting a fast lens and I am looking to buy the Nikon 35mm f/1.8G DX. ...
6
votes
7answers
2k views

Is the Canon 28mm f/2.8 sharp and good compared to the 18-55mm kit lens?

I have a Canon 500D/T1i with the kit 18-55mm IS lens. I need to replace the kit lens with a prime as a work around lens. I usually take photos of streets, people etc., and use the 20-35mm range of ...
7
votes
7answers
19k views

Why is my Nikon 50mm f/1.8 giving me an fEE error?

I have a AF Nikkor 50mm f/1.8. When I have the aperture setting on the lens to 22 I can take photos. But when I change the dial to anything other than 22(lowest f/stop) then I get a flashing fEE ...
1
vote
2answers
394 views

Second Lens: 35mm for Nikon D3100 - considerations for making the purchase [closed]

I'm currently considering buying the Nikon 35mm f/1.8G AF-S DX Lens as a second lens for my Nikon D3100. A lot of people suggest that I go with a telephoto zoom lens as my second, but I disagree ...
5
votes
3answers
2k views

Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?

It's said that 50mm is close to what the human eye sees and is a very versatile focal length in general, especially good for street photography which is what I'm most interested in. That being the ...
3
votes
4answers
7k views

Why do some people prefer 50mm to 35mm prime lenses, even for a crop sensor?

Comparing the two lenses for an APS-C sensor: EF50mm f/1.8 EF35mm f/2 here Leaving out cost as a factor, EF 35mm has the following advantages: 43 degree while 50mm has 31 degree Its equally ...
4
votes
3answers
458 views

Are modern telephoto zooms so improved that they're not a big tradeoff vs primes? [duplicate]

I am looking for a good amateur telephoto lens for Nikon DSLR. It's main purpose will be sport shots. Back when I learned photography with film SLR, a fixed focal lens was significantly better than a ...
11
votes
4answers
289 views

Does it make sense to get a non-macro and a macro of similar focal lengths?

I recently asked a question on which prime lens to get after the kit lenses, and in my shortlist of lenses there was quite a lot of overlap of focal lengths along with macro & non-macro versions ...