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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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354 views

What are the advantages and disdvantages of the Canon 18-55 IS MKII vs IS STM kit lenses?

I'm trying to figure out the difference between the IS MKII lens and the IS STM lens. Specifically, I am looking at the Canon EF-S 18-55mm f/3.5-5.6 lens. On that Amazon page, there are three ...
23
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9answers
2k views

Should I really lug around a lens cap everywhere?

I lose lens caps by the billion. Is there another way to protect my lenses without having to carry these things around with me?
3
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2answers
2k views

How good is Sigma 70-300mm F/4-5.6 DG Macro Lens

Planning to buy this lens for my D-90, but not sure how good it is, though i have narrow down my search based on budget constraint. But i have read that it has given good results for wildlife ...
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2answers
229 views

Does the lens I just bought have a fungus?

I bought a used Sigma lens on ebay for my back up camera and it was said to be in "mint" condition. I got it today and look it out of the box to look at it and I was horrified to see that the front ...
3
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2answers
154 views

Nikkor 70-200 2.8 VRII - Does Autofocus <5m really work?

some days ago I daring duck had approached while I was taking photos of her and her friends in a pond. I was testing my new 70-200 2.8 VRII and I was a bit worried about the autofocus while working ...
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4answers
237 views

How do I take a “projector output” photo, showing the beam from my car's headlights?

Auto enthusiasts have a thing called a "Projector Output" photo, and its samples are something like this: mostly lights of the cars on a wall at night: And here is a sample shot I did: At full ...
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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 ...
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2answers
4k views

So my iPhone 6 camera lens is as wide as my full frame 35mm DSLR lens?

I am trying to understand what is the deal with "full-frame" and what difference it makes, so did a silly test: I sat at my bed and aligned the iPhone 6 camera with the door of the room and took a ...
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4answers
3k views

Why does a small change in focal length of two lenses make a $1000.00 difference in the price?

I was looking at some lenses and the famous 24-70mm f/2.8G ED AF-S Nikkor Wide Angle Zoom Lens is almost $2000.00. Then, I also found this one: Nikon 28-70mm f/2.8D ED-IF AF-S Zoom Nikkor Lens and ...
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4answers
453 views

Which of these lenses should I get for low light conditions?

I'm on a $500 budget and I'm thinking of getting one of these two lenses for low light conditions (e.g. small venue concerts): Sigma 28mm f/1.8 EX DG DF Macro Canon-ef 50mm f/1.4 USM I think I ...
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4answers
164 views

What should I look for in lenses for long range and close up animal and natural shots?

I am looking at trying to buy a long range lens for shooting animals and nature. I'm kinda new to photography and am not sure which brand or size I should be looking for. What features are important ...
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0answers
40 views

what qualities should I be looking for in a long range lens [duplicate]

I am trying to get a long range lens for taking pictures of animals. I have read many questions and realize I need at least a 300 mm and I know they all depend on price...I'm not to go crazy with ...
1
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1answer
60 views

General guidelines on choosing a lens for an image sensor [closed]

Not sure if this is the right place to ask this question, but here it is: I am trying to get up and running a VGA image sensor: 2755um x 2050um image area with 4.2um x 4.2um pixels and 640x480 ...
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10answers
2k views

Are Sigma lenses comparable to Canon lenses for a Canon camera?

I always feel that I should buy a Canon lens for my Canon camera, and Sigma would just be a cheap knock-off. Is that the case?
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0answers
60 views

Where is the focal point of a camera lens? [duplicate]

If the distance between the center of the lens and the film is called Focal length, does that mean the focal point of the camera lens is located on the film?
2
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2answers
131 views

Is lens geometric distortion, chromatic aberration and light fall off still as much of an issue? [duplicate]

I saw an earlier question (Why prefer the 18-55mm and 55-250mm lenses vs 18-200mm?) that mentioned lower quality lenses have distortion, aberration and light fall off issues. Has software like Adobe ...
1
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2answers
1k views

How do I take good portraits with a bridge camera and superzoom?

I'm an absolute beginner with regards to photography. I did some research on portrait photography today. From what I learned, a long-telephoto lens (70mm-135mm or more focal length (35mm ...
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2answers
9k views

How iPhone 5S can have such a big aperture? f/2.2?

I thought that in order to have a big aperture such as f/2.2 a big amount of light should be able to enter to the sensor and in order to do it, a big lens was needed. How is it possible that in the ...
3
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3answers
7k views

Which is the best version of Helios 44 series 58mm f/2 M42 mount lens

I'm looking to buy a Helios 44 series 58mm f/2 M42 lens for my Nikon D600 and will be mounting it using an M42 to F-mount adapter. I'm primarily buying this lens for portraits due to the interesting ...
2
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2answers
279 views

Which lens for a milky way photo

I have a Nikon D7000 and don't know whether my 50mm 1.4 or 17-55m 2.8 lens would be better. I was automatically going to go with the 50mm lens, but then I was reading up on how I can use a longer ...
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0answers
44 views

Are there any hardshell covers / protectors for lenses?

I'm a concert photographer, and I tend to end up in mosh pits quite a bit. I've mastered the art of shielding my camera from fists and beers, but I have been starting to see some wear and tear. Are ...
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5answers
6k views

Why my “action” shots are blurry even shooting on AF-C, is this a lens or camera limitation?

I'm currently using a Nikon 28-200mm AF-D with my D7000. While trying to take action shots (e.g. my dog running or sports) none of the shots seem to be in focus even on AF-C mode. Would this be a ...
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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 ...
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5answers
6k views

Missing focus with Canon 50mm 1.8 lens - is it the lens or me?

I purchased a Canon EOS 650D and EF 50mm f/1.8 II lens. Unfortunately, the auto-focus seems to miss focus at f/1.8. I've tried setting it to single-point auto-focus: it is better, but still not good ...
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5answers
10k views

What type of cloth is safe to clean lenses?

Usually, we purchase a camera cleaning kit that comprise a cleaning solution, cleaning brush, cleaning cloth and a air blower. So, I was wondering if we can use other cleaning cloth (such as ...
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3answers
914 views

What can cause blurry and out of focus images on a Nikon D5300 in no flash mode?

I am using a Nikon D5300 with 18mm-300mm lens. My problem is that the camera is not working properly in "No flash" mode - in all other modes it's working well. Mostly I am using manual settings, but ...
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0answers
104 views

Samsung NX1000 focus ring does not work, can't get off manual focus mode either

I bought a used Samsung NX1000 last night, everything is great but it's stuck on Manual Focus mode. The Single Auto-Focus [SAF] and Continuous Auto-Focus [CAF] are greyed out no matter what I try. ...
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2answers
68 views

D90 and lenses upgrade [closed]

I have a Nikon D90 and currently use the following lenses: Nikon 70-300mm VR Ed IF Nikon 55-200mm DX AFS Nikon 18-55mm DX Sigma 70-300mm APO Macro My question, is the Nikon 55-200mm unnecessary ...
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2answers
492 views

How durable are zoom lenses?

I've heard that zoom lenses after some intensive usage become "sticky" and difficult to operate. What's the aproximate durability for a zoom lens like a Canon EF-S 18-135, shooting ca. 1000 - 2000 ...
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0answers
46 views

Lens adaptors for a 30mm ring size wearable camera. with either 4x 8x or 12x fixed power

I have what is called a wearable camera. I am looking to improve and enhance my view as a better live eye look, rather than the distant view all wearable's have in today's market. The camera has a ...
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2answers
90 views

Valid value for shutter speed based on Focal Length [duplicate]

I was listening to Ben Long videos and he was saying a safe value for shutter speed is 1/focal length So if I have a 35mm prime 1.8 lens, does that mean 1/35 = 0.02 so in my camera panel do the values ...
2
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4answers
3k 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?
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4answers
867 views

Will the Nikkor 55-300mm/f4.5-5.6 lens work with Nikon D5200?

I need to know if Nikkor 55 mm - 300 mm f/4.5 - 5.6 Super Telephoto Zoom Lens will work with my Nikon D5200 camera. Thanks.
5
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2answers
186 views

What is the purpose of the little metal cylinder the focus ring of certain FD lenses?

On certain Canon FD-lenses (for example the 50mm f/1.8 S.C.) there is a small metal cylinder sticking out of the focus ring (not the button on the aperture ring). What is the purpose of it?
3
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3answers
320 views

How to clean shattered UV filter glass from Lens?

I have a camera lens where the UV filter shattered when it was in my camera bag. I was able to remove the filter, but there's bits of glass on the lens. I currently just put the lens cap back on and ...
2
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2answers
141 views

Using Rokinon 14mm or Tamaron 17-50mm as a general purpose lens (APS-C)?

I dropped my Sigma 18-250mm in the river and now looking for ways to replace it. I am using T4i, and have, Canon 50mm f/1.8 Canon 75-300 (Garbage w/o IS :/) I use the camera mainly on my trips to ...
0
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1answer
75 views

Canon DSLR T5 Lens Compatibility [duplicate]

Can anyone tell me if my Canon EF lenses can be used on a Canon Rebel t5(1200D)
2
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2answers
300 views

I don't see the hole in the lens getting bigger or smaller, so is it damaged?

Just started learning photography and ordered a 35mm f1.8G ED Nikon lens. I understand it is a prime lens, and doesn't zoom in or out, but the f number there doesn't show any change from 1.8 when I ...
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2answers
123 views

Deciding between two lenses [closed]

With my budget and as it is my first lens and DSLR camera ever, I am looking at these two: Nikon 35mm f/1.8G ED AF-S FX NIKKOR Lens and Nikon 24-85mm f/3.5-4.5G ED VR AF-S for my D-610 camera. ...
0
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1answer
2k views

How is the quality of the Sigma 18-300 DC Macro lens?

I'm considering the less expensive Sigma 18-300 DC Macro lens vs. the (way) more expensive Nikkor 18-300. Would I be losing the gains by buying a 24 MP Nikon 3200 if I went with the Sigma?
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7answers
693 views

Looking for a new zoom lens for a DX frame Nikon, should I get Nikon 18-200mm or something else?

(I thought this question would already have been asked/answered here, but if it is I can't find it.) I'll soon be doing some handheld indoor/low-light photography, so I want a VR lens to help with ...
2
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3answers
300 views

Will a 18-140 lens be good for basketball stadium photographs? [closed]

I am absolutely new to photography and have just started learning the basics. I have got a Nikon D-610 with a 18-140 lens for now. I just want to know if I can take this to a basketball game and get ...
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2answers
635 views

Mounting Sigma 70-300mm 1:4-5.6 APO Macro Super on Nikon D3200

I have been given a Sigma 70-300mm 1:4-5.6 APO Macro Super lens and I want to fit it to my D3200. The problem is that the mount on the bottom of the Sigma lens is too big for the D3200 lens mount and ...
2
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3answers
2k views

Can I use a Pentax lens on a Canon body?

I have a SMC Pentax-M 50mm 1:2 prime lens and a Pentax MC auto 28mm 1:2.8 from my dad. I have been looking at two film cameras lately, the Pentax MG and the Canon AE-1. If I buy the Pentax MG I know I ...
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3answers
4k views

What to do when my camera says “lens error”?

I have a Canon PowerShot A3100IS digital camera. I was taking pictures but turned it off with the lens still open. I turned it back on, it loaded then made a beeping sound then a black screen came on ...
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0answers
251 views

What is the impact of changes between the old and new Nikon 18-300mm lens?

They are: Nikon AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR Lens (new) Nikon AF-S DX NIKKOR 18-300mm f/3.5-5.6G ED VR Lens (old) As far as I can tell the only differences are: The old one has an ...
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2answers
198 views

Why are lens apertures usually 1.4, 1.8, 2.8, 4…? [duplicate]

Why are lens apertures usually of only certain sizes? 1.4, 1.8, 2.8 and so on. Why not 1.6, 2.5 or any other sizes?
3
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3answers
485 views

Is lens focal length specified considering the effect of barrel distortion on field of view?

Given a Nikon 14mm f/2.8D ED AF Ultra Wide-Angle Nikkor Lens on a full-frame sensor, in theory the field of view is HFOV: 104° x VFOV: 81°. However this lens exhibits noticeable barrel distortion ...
1
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2answers
392 views

Will the petal-shaped “HB-45 II” lens hood work with my Nikkor 18-55mm?

I am going to buy a lens hood for my AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR. I searched and I found out that the best lens hood is Nikon's HB-45 lens hood. However, I also found a newer version, the ...
3
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1answer
175 views

What are these green numbers on my Canonet’s aperture scale?

There are three green numbers on my Canonet QL19’s aperture scale: The numbers are 28, 20, and 14. What are those?