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An optical 'zoom' or 'variable focal length' lens is one that has a range of focal lengths at which it can operate. "Digital zoom" is a technology which simulates optical zoom by cropping the image.

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7
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7answers
2k views

Which lenses are best for macro and for birdwatching (both Canon and Nikon)?

Now I have old Sony A100 DSLR + Minolta AF 24-50/4, Minolta AF 50/1.6, Tokina ATX 80-400/4.5-5.6, ... My camera is old. In near future I am going to buy new DSLR. I think it will be Canon or Nikon. I ...
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 ...
0
votes
2answers
113 views

Is a Sigma AF 28-80 an useful addition to a Nikkor 35-105 macro?

I'm experimenting with photography and I'm on a budget: I'm using a Nikon D70 and I already have a Nikkor AF 35-105 f/3.5-4.5 macro and a 50 mm f/1.8 E (manual focus). Now I found a cheap Sigma AF ...
1
vote
1answer
834 views

Effective zoom of Sony 55-210 lens (e-mount for NEX series camera) [duplicate]

According to Sony's website this lens has a zoom factor of 3.8. I currently have an 18-55 lens that came with my NEX-3F that has a zoom factor of ~3.1. Since the 55-210 pics up where the 18-55 leaves ...
3
votes
4answers
2k views

How do I choose a zoom lens for Canon APS-C?

I know nothing about any of this. From my research, Canon's 70D looks like a good camera body for a retired (31 years) professional photographer (my dad) to "pick the camera back up" in the digital ...
1
vote
2answers
292 views

Why don't DSLR camera specifications include a zoom ratio (e.g. 3x zoom) like compact cameras?

For example, there is no mention of the zoom here. I'm guessing that it's specified in some other specification. If so, what do I look at and how do I compute the zoom from it? I've looked at a few ...
2
votes
1answer
808 views

Why is the Tamron 150-600mm lens so cheap? [closed]

The newly released Tamron 150-600mm f/5-6.3 SP Di VC USD seems to have garnered very positive reviews at a killer price ($1069). Tamron seems to have not compromised on optics (comparable image ...
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 ...
0
votes
2answers
260 views

How is zoom measured? [duplicate]

Zoom meaning the ability to make something distant appear closer. Consumer cameras are sold with a maximum zoom which is supposed to define how much closer. For example a camera might be 40x zoom, ...
5
votes
2answers
109 views

Can extension tubes be used to zoom in in pinhole / zone plate photography?

In a recent question it was stated that You cannot change the focal length of the zone, it is fixed and a characteristic of the physical dimensions of the camera As far as I know, focal length ...
2
votes
3answers
845 views

Why is zoom avoided in large sensor compacts?

Why don't large sensor compacts (for low light shooting in moderate distances) with, let's say, 10x zoom exist? I'm primarily thinking about models such as Sony RX100 or Canon G1X that come in a ...
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 ...
2
votes
1answer
210 views

Canon 16-35 f/2.8L II zoom ring noise

I just bought this lens. Out of the box, it makes a little noise while turning the zoom ring left and right (different from the other lenses I have, almost a metallic kind of noise). It looks like ...
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
799 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 ...
9
votes
4answers
589 views

What is the technical name for a zoom lens which has a fixed maximum aperture?

What is the technical name for a lens which has the same maximum aperture throughout the entire zoom range?
37
votes
12answers
3k views

Is digital zoom really useful?

I've always wondered what is the use of digital zoom, apart from viewing the subject clearly on the LCD display. We can take a photo with the optical zoom and crop the photo to the desired region of ...
7
votes
6answers
314 views

Digital zoom versus optical zoom for minimising camera shake

Here's the scenario: every so often our garden plays host to some small deer. Naturally, I try to take pictures of them. From inside the house, I can get a decent shot with full zoom on my camera. ...
2
votes
1answer
844 views

What is equivalent focal lenght to Canon Sx50s at 50x zoom for a dslr lens?

I'm new at photography, and have a sony slt a37 camera. I was looking for telephoto lenses and got a Minolta 75-300mm f/4.5-5.6. Then I wondered what focal lenght the Canon sx50 has on its lens. I saw ...
1
vote
3answers
3k views

24-105 f4 vs 24-70 f2.8

I am looking for a secondary zoom lens for my Fashion Shoots. I'll be using the 50mm 1.4 as my primary go-to lens and the zoom for everything else. I was wondering which of those lenses perform better ...
0
votes
2answers
1k views

How does focal length relate to macro magnification? [duplicate]

I'm new to photography and would like to know a little more about zoom lens, The main thing I wonder about is this, I have a Fujifilm S4000 camera that claims to have 30x magnification. The new ...
4
votes
3answers
618 views

What are the disadvantages of super-zoom cameras compared to binoculars?

Maybe it is clear from my question that I don't know much about lenses, both on binoculars and super-zoom cameras, for example I don't know how can I compare the light that enters a binocular with a ...
1
vote
2answers
2k views

Canon Sharp Zoom Lens for Fashion Photography

I am looking to buy a Canon L lens, preferably a zoom to cover various ranges and focal points. I had a look on the new Canon 24-70f4L and it looks fantastically sharp. However, someone mentioned on ...
5
votes
3answers
2k views

Best lens for taking pictures of surfers

I'm just trying to decide which new lens to get. I need to take surf and windsurf photos from onshore. Sometimes 300 mm is enough but there are many times they are too far away. I have a sigma 70-300 ...
0
votes
1answer
74 views

How does telephoto converter affect zoom range?

I have camera that has 10x zoom lens. The zoom range is a little short of what I need. I am looking into buying 2.2x telephoto converter. can you tell me how my zoom range will be affected. Will my ...
13
votes
4answers
4k views

How does changing focal length affect depth of field?

I'm curious about how my "area of acceptable focus" changes when the focal length of the lens I'm using changes as I zoom (or switch lenses). In particular, I'd like to know how the front & back ...
4
votes
2answers
682 views

How do you choose among different 70-300mm lens for Nikon DSLRs?

I have a Nikon D5100 and it's my first dSLR. I've played with the kit lens for a while and now want to explore the zoom category. I've shortlisted these 70-300mm lenses: Nikon AF Zoom-Nikkor ...
0
votes
3answers
948 views

Wide angle lens for Canon Rebel T3i

I plan on going to Yosemite in December and am looking at getting a wide angle lens. I am thinking about investing in the Tamron AF 28-300 mm f3.5-6.3 XR Di LD VC Aspherical (IF) Macro Zoom lens. ...
3
votes
1answer
187 views

Can I make my Canon dslr instantly zoom to 1:1 after shooting a picture?

When you shoot a photo, your picture is displayed onscreen. It's said to be possible to zoom in the picture, but pressing the zoom buttons do not zoom but activate their second function. So is it ...
3
votes
3answers
423 views

Is a small amount of play on the Fujifilm X-E1 mount normal?

I have a brand new Fuji X-E1 with the 18-55 zoom. The lens has the barest amount of play once mounted, rotating back and forth less than a half millimeter if I twist it firmly. I've had old Nikon film ...
8
votes
7answers
8k views

How do I get the best results for sports with a 70-200mm f/2.8?

Can anyone help? I am using a nikon d7000 for sports photography. My husband kindly bought me a sigma 70-200mm telephoto lens 2.8 as I shoot a lot of low light indoor sports. I have only just started ...
0
votes
2answers
6k views

Best all round zoom lens for D3100?

New to DSLR photography and would like some advice. What would be a good all round lens for the Nikon D3100? I have got the 18-55 one from the kit, any recommendations? Also are there any other items ...
11
votes
4answers
1k views

Is it problematic to mount a Canon EF 100-400mm f/4.5-5.6L lens on Rebel XSi (450D) body?

I have a Canon Rebel XSi (450D) and I'm going on a two week trip to Argentina and Patagonia where I want to try some wildlife photography. I have the kit 55-250 f/4.5-5.6 lens which I like, but I ...
1
vote
1answer
258 views

Nikon AF 70-300 mm lens zoom broken, can it be salvaged?

So I accidentally dropped my Nikkor AF 70-300 mm lens on the floor (yes, stupid). Now the zoom ring does not work. When I turn it, nothing happens. However, I can slide the lens back and forth, and ...
9
votes
4answers
847 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 ...
3
votes
2answers
261 views

Canon Rebel T3 wont take the picture I want [duplicate]

I'm new to the camera and photography so I am sorry in advance... With both lenses the camera came with (18-55 and 75-300) if I use the camera's magnifier or the lenses zoom for close up pics from ...
4
votes
1answer
143 views

Do elements drift out of place with age in zoom lenses?

I have used a Nikon 18-200 for several years and probably have 30K or so photos taken with the lens. It appears that over time the lens is less consistent in the sharpness of the lens. I have heard ...
1
vote
2answers
505 views

Why are my pictures noisy when zoomed at 1:1 in Lightroom 4?

I am shooting with Nikon D7000 and 18-105mm lens and RAW only not (RAW+JPEG). When I import my pics in Lightroom 4 and zoom it at 1:1 both in Library and develop modules I see a lot of noise, though ...
2
votes
2answers
441 views

Is trading Canon 18-135mm + 24mm lenses for a 17-40mm L or 70-200mm f/4 L a good decision?

I currently have a Canon 60D with an 18-135 lens and a 24 mm f/2.8 lens I hardly use. I really fancy the 24-105L IS (colour, sharpness, etc) and the 100-400L for the length (Freud would have something ...
4
votes
2answers
300 views

How do you get moon zoomed over foreground? [duplicate]

How does one get a picture similar to the one below with a crop sensor DSLR and using kit lens or 70-300mm lens without post-processing?
0
votes
2answers
2k views

What level of zoom lens comes with a new Canon EOS 1100D?

I am a complete newbie to DSLRs. I am planning on buying a Canon EOS 1100D SLR with Kit (EF S18-55 IS II). (It's also known as the Canon Rebel T3.) I have a 10x optical zoom in my Point and Shoot ...
0
votes
3answers
945 views

Why don't the zoom buttons work on my DSLR?

I am a newbie to the new camera I just bought. It is a Nikon D5200 it has the original lens that came on the camera a 18-55 lens on it. My question is when I turn the lens to the 55 and then push the ...
0
votes
0answers
49 views

Why does the zoom on my Canon T3i not work? [duplicate]

I have a new Canon T3i and was able to take and capture zoomed in photos with the lens that came with the camera(EF-S 18-55mm) as well as a Canon Zoom Lens EF 75-300mm 1:4-5.6. Now when I zoom in ...
6
votes
4answers
8k views

Canon kit with standard EF-S 18-55mm IS or 18-135mm IS?

I'm going to order a new Canon 550d in a kit with a lens. I'm fairly new to SLR photography which means I have not much knowledge about the difference between lenses. There is an offer for a Canon ...
0
votes
1answer
87 views

How does the image quality compare between these lenses? [duplicate]

Want to buy a zoom lens for Nikon D5100 [now only have the kit lens 18-55mm]. I've selected these options AF Zoom-NIKK0R 70-300mm f/4-5.6G Tamron AF 70-300mm F/4-5.6 Di LD Macro Sigma 70-300mm ...
1
vote
1answer
470 views

How to fix a zoom lens that is sticky at a particular focal length?

I have the Canon 18-55mm lens. When I zoom out from 55mm to 18mm, the lens works fine until 22mm, where it seems to be stuck and you must then use a bit more force. I saw in many sites that this is ...
6
votes
5answers
3k views

Why is my Nikon 18-200 lens not focusing at higher focal lengths?

My Nikon 18-200 lens on a D300 camera will not focus when it is zoomed between 135mm and 200mm. Is there any tips on how to solve this besides handing it in to a photo store?
6
votes
1answer
405 views

When focusing at max zoom, focus is lost after zooming out. Is that normal?

On my Canon kit lens, I could completely zoom in, focus on the object and then zoom out to take the picture with the object still in focus. Now I have a Sigma 18-200mm (with a Canon 600D) and that ...
5
votes
1answer
687 views

Do all telephoto zoom lenses backfocus on the wide angle end?

I’ve just gone through a round of testing with two telephoto zooms, on two different cameras, and both appear to have significant back focus issues at the 70mm end. I just had the Nikon 70-200 f/2.8 ...
0
votes
2answers
739 views

How does the Tamron AF 28-75mm f2.8 compare to Canon EF-S 15-85mm f/3.5-5.6 IS USM?

I am looking to buy a good walk around lens for t3i to finally upgrade from my kit lens. My current preference is Canon 15-85. however I am wondering if I should get Tamron AF 28-75mm f2.8. I am ...