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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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1answer
212 views

Lens recommendation for landscape photography with Canon 7D Mark II [duplicate]

I am all new to photography and about 3 weeks ago, I bought a Canon 7D Mark II body. Up to now, I have been using a Canon 18-135 STM lens, which I borrowed from my friend. I am thinking about buying ...
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4answers
600 views

Why does crop factor apply with APS-C lenses, and why aren't these brighter than FF ones at same aperture?

I know that the image circle of FF-lenses is bigger than it needs to be on APS-C sensors, thus the FOV spears narrower. I've heard that APS-C lenses sit closer to the sensor, thus projecting a smaller ...
1
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3answers
246 views

Best Macro Lens For Jewelry Photography On The Sony A6000? [closed]

:) I've been looking to upgrade the camera I use at my job. Thinking of getting the Sony a6000. We list things on ebay to sell, and quite frankly I just don't like the lightbox, nor the camera we ...
0
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1answer
63 views

Does the Sigma 70-300 AF-D lens have an autofocus motor?

If I buy an AF-D lens, the Sigma 70-300mm for Nikon D3200, from Amazon, will it have an autofocus motor? There's a listing with "Built in Motor for Nikon". What does this mean?
3
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4answers
2k views

Is focus hunting “normal behavior” for the Sony SEL18200SE?

I recently bought an NEX-6, the 24mm F1.8 (SEL24F18Z) lens, and the black 18-200mm F3.5-6.3 (SEL18200LE) lens. I love the 24mm lens, but I'm having a what I believe one would call a "focus hunting" ...
0
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1answer
173 views

Will a Nikon D7100 and 35mm Nikkor lens with extension tubes work well for getting started with macro photography?

I have just started pursuing my hobby full time and am still in the learning phase. I have a Nikon D7100 with a Nikon AF-S DX NIKKOR 35 mm f/1.8G Lens. I would really appreciate if anyone can advise ...
4
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3answers
2k views

What can damage a lens?

I just bought a Canon dSLR camera with an 18-135mm IS lens. I really want to take care of it, as I paid extra for this "better" lens, so can the lens get, in some way, damaged if you drop it, say 5 ...
5
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4answers
450 views

How do manufacturers come up with focal lengths for lenses?

There are a lot of lenses for each camera, and I understand that each lens caters to a different use case, but my question is on how they arrive at the specific focal length numbers. For example, ...
2
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1answer
3k views

Can I use Wide Angle Lens converter for my existing lens Nikkor 35mm f1.8?

I have a D3100 Nikon with a 35mm f1.8 prime lens. I want to buy a wide angle lens converter to make it more like a wide angle lens. What is your advice on that? How do I know whether the lens ...
9
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5answers
3k views

What Nikon lens to buy to make photos of birds?

Currently, the zoomiest lens I have is a Nikon 18-200mm. I want to be able to take photos of wildlife, or in most cases birds, which I can't do at 200mm. For a long time, I wanted to purchase a Nikon ...
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3answers
306 views

What lens is best for 'the hobbit' forced perspective look?

In the Lord of the Rings trilogy, all the basic simple shots of hobbits were taken with them in the background, so they would look smaller than real people. I want to do this in reverse. I have a ...
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7answers
3k views

Are bad reviews of the Sony E 16-50mm f/3.5-5.6 pancake kit zoom reason to avoid the system?

I'm thinking about buying the Sony A6000 over a Micro Four Thirds camera because of the sensor size, but I read in many reviews (such as this) that this is one of the worst lenses around. Now, since a ...
3
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2answers
175 views

Can I use my camera to measure lens light transmission?

I want to compare and quantify the light transmission of various lenses (with some custom modifiers). So I have a target setup with constant illumination, and a camera body for them ready to shoot ...
26
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3answers
7k views

What is a zone plate?

I was looking into alternative methods of photography and I happened upon something called a 'zone plate.' Three questions: What is a zone plate? How does it work? What can I do with it?
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2answers
287 views

How to compare the speed of lenses taking transmission into account?

When comparing the speed of two lenses, you almost exclusively hear about the maximum aperture. This of course makes sense, since at a certain lighting condition, a larger aperture in general allows a ...
16
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2answers
1k views

Does a specific f number across all lenses denote same amount of light?

When we say a light source emits 1500 lumens of light, it does not really matter if the light source is incandescent, CFL, diode etc. Similarly, when I say f/1.8 can I assume that all lenses pass the ...
5
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3answers
891 views

Is there any practical way to measure the T-stop of a lens?

T-stop measures actual light transmission in a lens. Therefore, different f/2.8 lenses can have different T-stops. T-stops are usually only given for cine lenses. For photography lenses, is there any ...
18
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2answers
11k views

What is T-number / T-stop?

Usually, when discussing aperture of a lens, F-stop and F-number are used for quantifying. But some photographers, and especially videographers, also mention T-stop. The concept and numbering used ...
2
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3answers
212 views

Will I be able to mount a hood over my UV filter?

I have recently bought a Canon EOS 600D and I want to buy a UV filter to give extra protection to my EF-S 18-55 IS II. And I additionally want to buy a lens hood as well. Will I be able to use ...
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2answers
77 views

Canon lens error “Err 01” - on EF-S 55-250mm f/4-5.6 IS II

I am getting an error "Err 01 - Communications between the camera and the lens." with EF-S 55-250mm f/4-5.6 IS II lens only when I zoom it beyond 135mm. Can anyone tell me what can be the issue?
3
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2answers
208 views

What can you do when your lens' focus ring becomes too loose?

One of my lenses I always carry (Olympus Pen lens, I fit it on a Sony NEX), has a focus ring that is becoming a bit too loose. Probably due to carrying it in a bag very often and taking a lot of ...
3
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1answer
68 views

Can Nikon PK-11a extension tubes be used with G lenses, keeping aperture control?

I own a D3200 and 3 G lenses (kit lenses + 35mm f1.8G) and I was wondering if I could use an extension tube PK-11a with them keeping aperture control functional. At Nikon website seems to say no, but ...
3
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3answers
497 views

What are these spots in my pictures?

Been getting these bubble type things, never happened before (Kit lens - 18-55|camera d3200
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1answer
50 views

Which lens after 18-55 for crop body? [duplicate]

I have a canon 700D camera, and an 18-55mm lens. I would like to buy another lens, but I am confused. I like to photograph celebrations, marriage parties, and casual family functions Please ...
3
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1answer
86 views

Which lens size will generate more detail for equivalent field-of-views in an image snapshot?

We are getting ready to purchase a 3 megapixel IP camera. It comes with either a 4mm or 6mm lens. We will only be using the camera for still image snapshots on a specified interval. Basically, it's an ...
5
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2answers
300 views

Whatever happened to dust?

Back in the day, lens cleaning was a front and center concern, with everyone discussing their preferred methods and products. I had a blower brush, tissues, and fluid as part of my kit. But now, ...
5
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2answers
316 views

Are these spots on the sensor or the lens? [duplicate]

Equipment is Canon EOS 5D3 (5760x3840) with a 24-105 f/4 L lens at 105mm, ISO 200. The following are crops from the same small (676x449) section of a couple of blue sky shots I did to test for sensor ...
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1answer
103 views

How do add-on lenses for smartphones work?

I have seen a $24 lens which is advertised as attachable to an iPhone camera. How do lenses like these work? Here is the item I am mentioning
1
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3answers
168 views

What factors make a lens brighter? [duplicate]

Let's say I have two lenses of 50mm, one with maximum aperture f/1.8 and another with f/1.4. I understand that when using maximum aperture, for the latter lens more light will get to the film or ...
14
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5answers
4k views

Why are push/pull zooms relatively rare?

The Canon EF 100-400mm f/4.5-5.6 L IS USM has a push/pull zoom mechanism instead of a zoom ring. Other lenses, like the Nikon 80-200mm f/2.8 AF that was released in 1988, use this type of zoom too, ...
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1answer
123 views

How do I repair the front assembly coming off my Canon EF 50mm f/1.8 II?

I have a Canon EF 50mm f/1.8 II lens and while I was taking a shot using AF, the lens detached and opened into two parts in the ring at the tip of the lens, and I got an error: "shooting is not ...
3
votes
2answers
166 views

What kind of lens to use to get sharp images of people from a distance?

I am looking to buy a new lens and want something that will produce sharp images of people from a distance. I currently have a 50mm prime lens and my close-up portraits are great - crisp and clear - ...
7
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5answers
14k views

Can I use Minolta Maxxum lenses with Sony Alpha cameras?

I have an old Minolta Maxxum 7000i AF-SLR camera from early 90s. I have a complete set of lenses, filters, etc., I found out that Sony ultimately ended up buying Minolta, and developing their alpha ...
1
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3answers
192 views

What focal length is recommended for photography for social media, like groups of people in weddings?

I want to get a lens for social photography (groups of people in weddings, or a close up for a bride). What focal length range would be recommendable? Also would it be good to get a wide angle lens ...
5
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2answers
919 views

Is Fujifilm's “Super EBC” a modern nanocoating?

In the Luminous Landscape review of the Fuji X-Pro1, Nick Devlin notes: ... how else could one read the “Super EBC” labelling on the lens other than as a nod to the company’s [Range Finder] past. ...
2
votes
1answer
134 views

Why would one lens produce warmer colors than another?

I was recently watching the following comparison video between the Nikon 85mm 1.4G and 1.8G (judge as you will): https://www.youtube.com/watch?v=gZkbEivJbUw When they showed off very similar ...
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3answers
2k views

How can I mount an EF-M lens on an EF-S camera?

How can I mount an EF-M lens (22mm, for example) on my Canon Rebel T4i EOS EF-S?
1
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1answer
67 views

How can I find a petal-style lens hood for my Nikkor 55-300mm f/4.5-5.6 (or any lens which doens't have one)?

I got a good deal for a used Nikkor 55-300mm lens but it didn't come with a lens hood. I am in search of a petal lens hood, but the Nikkon website lists only a round hb-57 hood. I tried finding the ...
1
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3answers
71 views

Which of these lenses should I take to a motor racing event?

At short notice, I'll be going to a motorsport event (in a purely non-professional capacity, for what it's worth). In addition to a medium telephoto lens, I'm considering taking a lens with a shorter ...
1
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0answers
111 views

Why this Nikon 18-105mm lens letter engraved in black?

I couldn't guess why it is in black colour and felt so weird. usually Nikon lenses letters are engraved in gold or red, but this one in black. could anyone shed some light on it? thanks in advance, ...
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2answers
234 views

Does autofocus feature work on Nikon D5500 using the Tamron AF 70-300 F4-5.6 DI LD macro for Nikon?

I wanted to know if autofocus mode works on Nikon D5500 whilst using the Tamron AF 70-300mm F4-5.6 DI LD macro lens for Nikon?
1
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0answers
23 views

Choose a lenz 18-135 vs 18-55 and 55-250 [duplicate]

I am going to buy a Canon 700D camera. It comes in two variations, one with an 18-55 lens and the other with an 18-135 lens. If I get the 18-55 one, I will also buy a 55-250 lens. If I don't mind ...
0
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2answers
258 views

What to do when NIKKOR 55-200mm lens behaves like it is not attached to the camera, even though it is attached?

I just purchased a Nikon D5500 with the 18-55mm and 55-200mm lenses, along with one digital high-def 2.2x teleconverter and a digital high-def .43x super wide angle lens with macro filter. The ...
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3answers
154 views

Is this vignetting from my zoom lens or something else?

Context This are images from my recent air show. All was taken at (210mm, f/6.3, 1/1250, ISO100) using the 55-210/4.5-6.3 lens on my Sony a6000. Question Is that vignetting or something else ...
7
votes
1answer
788 views

What are the “Distance Setting Marks” for use in storytelling composition?

I am reading Understanding Exposure, by Bryan Peterson, to learn some bits and tricks about photography. I came across one line "You would first choose to set your aperture to f/22 and than align the ...
1
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1answer
187 views

How does the sharpness of the Pentax 645Z compare to Canon 5DS R with high-end lens?

If you pair a 5DS R with a Zeiss Otus... and you pair a 645Z with any of its typical, similar lenses... Larger sensor and much more expensive body (Pentax set), vs more expensive lens. (Canon set). ...
42
votes
9answers
21k views

Do professionals really never use a 24-70 lens?

I was reading lens reviews on the Rockwell site — mostly because it came up as first result in Google search — and he was saying professionals don't need and don't use mid-range zoom lenses like 24-70 ...
0
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2answers
98 views

Photography pros: can anyone help me find out which lens is on this camera?

http://i.imgur.com/fGLh4Pb.jpg And it takes photos like this? http://i.imgur.com/BK5vPRw.jpg I'm desperately trying to find which lens will allow me to take photos like this. I already have a canon ...
1
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0answers
22 views

My Nikon D5100 is showing a black screen and unable to switch the display [duplicate]

So, the camera is displaying a black screen when trying to take pictures: through the viewfinder( if that's the name). Also, when trying to switch the display to the screen it says "Error. Press ...
2
votes
1answer
224 views

Why does the “fisheye effect” look stronger or weaker with different scenes taken with the same lens?

It seems that the fisheye effect can look different with the same lens. So I want to understand how it works. For example, I use a Dji Phantom vision 2 drone to take pictures, all of my pictures have ...