Napioa - Wind Origins

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A photographic lens is used to focus the light onto film or a digital sensor. Many cameras have interchangeable lens systems, allowing the photographer to choose the type of lens to use.

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3answers
9k views

Which is better: Canon EF 70-300mm f/4-5.6 IS USM or Canon EF 70-200mm f/4.0 L USM (without IS)?

Simple question: Which lens is better? The L Series (non-IS) Canon EF 70-200mm f/4.0 L USM or the Canon EF 70-300mm f/4-5.6 IS USM? I am an enthusiast and usually shoot landscape, my kids playing ...
12
votes
2answers
3k views

When I use FX lenses on a DX camera, does the focal length or minimum aperture change?

If I put a Nikkor 35mm f/2 FX lens on a DX camera, is it still 35mm f/2, or has the effective focal length or minimum aperture changed, because it is being used on a smaller format than what it was ...
7
votes
5answers
1k views

Why not have the diaphragm in camera body instead of the lens?

Why is the diaphragm to control the amount of light entering the camera typically in the lens and not the camera body itself?
7
votes
9answers
3k views

What differences exist between third-party and official lenses for Canon APS-C DSLRs?

I am just another guy who just taken up photography as a social hobby who enjoys taking pics of everyday life, social events / parties & some portraits. Need camera for short overseas trip (2-3 ...
7
votes
3answers
16k views

How can I fix a broken lens/autofocus?

My 35mm f2 canon lens's autofocus has stopped working. In manual focus mode the focus wheel is locked, and in autofocus mode the focus wheel spins freely but does not change the focus at all. In ...
6
votes
4answers
931 views

Is depth of field and bokeh influenced by distance to the subject?

I know that the aperture size has a direct effect on the depth of field. However, what about distance to the subject? Let's say I took two pictures, one at 24mm and one at 70mm, using the same lens ...
4
votes
9answers
988 views

Canon Starter Level Lenses [duplicate]

I would like to get into photography, and I'm thinking about buying a starter D-SLR camera (450D, 500D). Which Canon lenses do think fit to my purposes as considering I'm a beginner and my budget is ...
3
votes
3answers
285 views

What to look for in a wide angle lens?

My girlfriend owns a D5100 and I own a D7000 for which we both share lenses (or try to when appropriate). I own the 18-55 kit lens, a Nikkor 50mm 1.8g (I may consider buying the inexpensive 50mm 1.8d ...
2
votes
4answers
6k views

What is the relationship between focal length and shutter speed?

I am very new to photography and am trying to grasp the basics of it these days. Can someone please help me understand the relationship between focal length of a lens and shutter speed of camera?
1
vote
2answers
248 views

What does different focal length offer me?

I have a beginner photographer and I have spent a lot of time learning the basics (exposures, lenses, focal lengths, crop factor etc). It's all good except I'm not so sure when I need to buy lenses of ...
1
vote
3answers
228 views

What web-based expert resources for Nikon are similar to The Digital Picture for Canon?

I've followed Canon photo products for years and I can't go past this great expert resource on Canon cameras, lenses and few other accessories photographer should know about and read before buying ...
21
votes
3answers
2k views

Why am I allowed to turn my focusing ring beyond infinity?

Is there a good reason why I can turn the focusing ring on my lenses beyond infinity mark on focusing scale? Following recent questions here and here, it sounds like a real usability issue. ...
21
votes
0answers
582 views

Is Image Stabilization better in the lens or the body? [duplicate]

Possible Duplicate: What is the difference between in-lens image stabilizing and in-sensor image stabilizing? Some DSLR manufacturers have image stabilization (IS) in the body of their ...
17
votes
10answers
2k views

Which piece of equipment is holding me back?

I am primarily an amateur photographer but I do take small jobs from time to time. I'm looking to upgrade my equipment but I'm not sure if I should be spending money on my body, glass, or both. I ...
11
votes
6answers
424 views

On smaller prints, will a high-quality zoom lens provide near equal image quality compared to primes?

Let's say I shoot with Canon EF 35mm f/1.4L, Canon EF 50mm f/1.4, and a Canon EF 85mm f/1.8. Can these 3 primes be replaced with a Canon EF 24-70mm f/2.8 for the convenience of not needing to change ...
9
votes
3answers
3k views

Why is the Nikon 70-300mm f/4.5-5.6G ED IF AF-S VR twice as costly as Nikon 55-300mm f/4.5-5.6G ED VR AF-S DX?

The Nikon 70-300mm f/4.5-5.6G ED IF AF-S VR is almost twice as costly as Nikon 55-300mm f/4.5-5.6G ED VR AF-S DX. Why is that so? The only difference I see is the internal Focus. If that ignored are ...
7
votes
4answers
1k views

Is it worth repairing a broken kit lens?

I dropped my camera while on holiday last summer. Thankfully, my camera wasn't damaged but the kit lens has lost the ability to autofocus and the UV filter and 58mm to 52mm filter step-down (I use it ...
6
votes
2answers
2k views

Is image stabilization a necessary feature for wide angle lenses?

I am considering buying a 24-70mm lens, and among third-party lens makers, Tamron makes a 24-70 f/2.8 with optical image stabilization (vibration control, in Tamron's terminology). Is it really ...
3
votes
4answers
3k views

Is the camera sensor or the lens the limit to resolution?

I have a pretty high res sensor on my camera, but sometimes I have the feeling my lens doesn't even get to this resolution. How can I tell if my camera sensor has not enough resolution or if the lens ...
1
vote
4answers
10k views

How can I use Minolta / Sony AF lenses on Nikon DSLR bodies?

I'd like to use selected Minolta & Sony AF lenses on a Nikon — say, a D700. Can I, and if so how? My first SLR was a Minolta SRT303B and I've used Minolta since. That was manual but I now ...
0
votes
3answers
251 views

Can I get the same results with Nikon 50mm 1.4D or 1.8D as the 1.4G or 1.8G gives?

I have been searching for a while now and I came to the conclusion that when you fix the aperture ring of Nikon 1.4D lens on lowest stop, then we can change the aperture using command dial, plus the ...
24
votes
2answers
977 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?
33
votes
7answers
2k views

Do good lenses really last a lifetime?

I’ve heard people say “a good lens will last a lifetime” many times. Is this actually true of modern lenses? More specifically, will a good lens be usable for a lifetime? With an inexpensive adapter, ...
23
votes
10answers
7k views

Canon 50mm lens: f/1.2 L or f/1.4? Alternative brands?

I am in the market for a 50mm lens for my Canon DSLR. I've read plenty of reviews, and all of them have great things to say about both lenses. From a scientific perspective, the f/1.2 performs better ...
12
votes
10answers
2k views

What lenses to bring while traveling? One good wide-telephoto or several smaller ones?

I have a Canon 7D and often take my camera on the road while traveling. In the past I've taken my Sigma 17-70 f/2.8-4 and my Canon 70-300 f/4-5.6, which means that I must switch out lenses quite a ...
24
votes
8answers
14k views

Why there is no Canon 50mm *IS* lens?

Canon's 50mm prime lenses are all non-IS (Image Stabilization) for some reason. Considering the popularity of these range primes, shouldn't Canon be interested in shipping a new, optically improved IS ...
23
votes
3answers
8k views

How can a 18-55mm lens focus on objects beyond 55mm?

I guess this is a total noob question, but doesn't 18-55mm mean that it can focus only up to 55mm?
17
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12answers
8k views

What is the best Canon lens (around $500) for taking pictures of my newborn?

I have a Canon T2i, a 50mm f/1.8 and the kit lens (18-55mm). I'm considering buying a new lens for more flexibility with taking pictures of my upcoming newborn. I LOVE the 50mm/1.8 lens, but on the ...
12
votes
3answers
1k views

Why are 50mm Lenses Cheaper?

There is no doubt that 50mm lenses, if all other variables are held equal, will beat any other lens when it comes to value for price (lower f/number). I want to know why. Possible theories I have ...
11
votes
5answers
3k views

Really? Why does a Nikkor 35mm f/1.4 cost almost $2,000?

I am trying to price out a 35mm f/1.4 lens for my Nikon D7000, and I am shocked to find that B&H sells them for almost $2,000, whereas the f/1.8 sells for a couple hundred. Am I looking at the ...
10
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3answers
3k views

Are the Canon 15-85mm + 50mm f/1.8 adequate substitutes for the 17-55mm f/2.8?

The EF-S 15-85mm lens is a relatively recent lens, and I haven't seen too many recommendations on it thus far. However, most of the reviews have been very positive and the lens is said to be optically ...
14
votes
2answers
18k views

What's the difference between a regular lens and a macro lens? [duplicate]

What is the difference between a 100mm lens and 100mm macro, or 50mm and 50mm macro? Can we use a macro lens to shot portraits? If yes, what focal length is the best? Please suggest a Canon macro ...
13
votes
2answers
819 views

What are the use cases of a Petzval lens?

I am interested to know when would one use these lenses and what are they best suited for?
13
votes
1answer
525 views

Is dust in a zoom lens a problem which should be addressed?

I have accumulated some amount of dust inside one of my zoom lenses, visible through the front glass. It does not appear to affect picture quality as far as I can tell, but I wonder if this is ...
12
votes
4answers
1k views

How close can a lens focus?

From my understanding, if you want to do some macro photography it is better to have a lens that can focus when it is really close to the subject. Sometimes people buy extension tubes to help them ...
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 ...
9
votes
4answers
1k views

Is it possible for a lens to produce too much contrast?

I came across a complaint that a certain lens produces too much contrast. The lens was described as rendering "cartoonish" contrast when shooting a portrait with diffused light from a window, where ...
8
votes
2answers
11k views

How to calculate the FOV in degrees from focal length or distance?

How does one to calculate the field of view (or angle of view) in degrees from the following details: sensor size (for example, 1") distance to target (for example, 7 feet) focal length (for ...
8
votes
2answers
2k views

Is it normal for there to be tiny dust particles in a new lens?

I'm the owner of a new Canon 550D with a Canon 18-135mm IS lens. While looking into the lens, I noticed what I think are two tiny dust particles (I would say smaller than 1mm) behind the first glass ...
6
votes
6answers
2k views

Lens for shooting paintings with Canon 550d

I am purchasing a Canon 550d primarily to document my fiance's artwork for archival purposes. I would like to know what lens or lenses you would recommend in order to minimise distortion. I will be ...
5
votes
3answers
1k views

How does using a lens with some focal length on a full frame camera differ from using a lens with “equivalent” focal lens on a crop camera?

As an example, a 35mm lens on a crop body (such as Nikon DX) is said to be "equivalent" to a 50mm lens on a full frame body. Equivalent here means that they will have the same field of view, but what ...
27
votes
6answers
6k views

Can I damage the focus system by turning the focus ring when the lens isn't mounted?

I have a couple lenses that don't have an internal focusing system, and whenever I want to put them back in my bag, I turn the focus ring to make the lens shorter. I noticed that when the lens is set ...
19
votes
5answers
2k views

How does a circular lens produce rectangular shots?

Is it something like the sensor captures a circular image and then what we get is the cropped version? Something like this: Or did I get it completely wrong?
13
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8answers
15k views

Would the 40mm pancake or 50mm prime be better for street photography with a Canon APS-C camera?

I have a Canon EOS 600D, and I already have 18-55mm,55-250mm. I plan to buy a new lens for street photography. I already have picked out one of the following lenses: 40mm STM(pan cake). EF 50mm ...
11
votes
4answers
5k views

Can I get a shallow DOF using a kit lens? [duplicate]

Possible Duplicate: How can I get dramatic shallow DOF with a kit lens? Is it possible to generate shallow DOF with a "kit" lens, and how? In my case, I have the Nikon D7000 with the ...
8
votes
4answers
5k views

Is it difficult to focus on 1.4F prime lens, and if it is how to counter that?

Does difficulty in focusing have anything to do with 1.4F (Nikon G)? Will it be still difficult if I use manual focus? Is auto focus too slow? Is there a way to counter it? This example photo (from ...
7
votes
2answers
1k views

Why are some lenses so expensive?

I have read about and seen many lenses that are very expensive; upwards of 8-10 thousand (US) dollars. I ran across this lens and it was priced at an incredible 26,000 dollars. And this one at ...
5
votes
3answers
6k views

How to avoid unflattering facial distortion when using a slightly wide angle lens?

A 35mm prime on a full format body (or 24mm on cropped) is a great lens to walk around with. But when one gets too close to someone to take a picture, invariably some of their features are ...
5
votes
2answers
409 views

How to shop for a lens filter?

What should I consider when shopping for a lens filter? I see filters that range from $15 to $115 and more. What are the differences between the $15 and the $115 filter? I'm asking in the ...
5
votes
4answers
4k views

How can I attach a lens without a collar to a tripod?

I have a Nikon 80-200 f/2.8 push-pull and I wonder how to use it on a tripod. There is no collar. What is the best solution to attach it to a tripod? ("Best" is rather vague, it should take into ...