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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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3
votes
3answers
337 views

What type of lens is best suited for adventure photography?

OK, so I really don't want to sound like an neophyte asking about which lens to buy, but I've done a fair amount of research and I'm really unsure which is the best route to take. I have a D5200 and ...
0
votes
0answers
46 views

Undecided for my next lens! [duplicate]

I currently have a canon 7D mark ii. I have a budget where I will be looking to get the canon 24-105 f4 L IS or the canon 70-200mm f4 L IS. I am pretty undecided which one to get, I can see me using ...
0
votes
1answer
60 views

How to open a plastic enclosed lens assembly for repair

I have a lens assembly from a projector (150mm Kodak Retinar) which is fully enclosed in plastic. Apparently the lens fell down at one point and someone put it back together. However, that person ...
0
votes
3answers
152 views

Would an EF 24-105L or a 70-200 f/4L be a better travel choice?

I currently have a Canon 7D Mark II. I have a budget where I am looking at getting the Canon EF 24-105mm f/4L IS USM or the Canon EF 70-200mm f/4L IS USM. I am undecided on which one to get. I can see ...
0
votes
2answers
120 views

zoom or aperture which one decreases DoF?

When I want to decrease my DoF and have Bokeh in my photos, I always stuck between choosing either opening the aperture or zooming. Should I start zooming or should I decrease the aperture? Edit: ...
5
votes
4answers
637 views

Categorization of 14mm lens as rectilinear?

I used the Panasonic Lumix G Vario 14-42mm f/3.5 -5.6 Asph. / MEGA O.I.S. Lens to take a photo from my balcony. Here's the original RAW (ORF). The symptom I am experiencing is that different ...
0
votes
2answers
67 views

Wide angle lenses that fit a Rebel T3i [duplicate]

Will a Canon EF 28mm f/2.8 IS USM Wide Angle Lens - Fixed work on a Rebel T3i? What does IS UMS mean?
0
votes
0answers
40 views

Nikon error message: “Lens not attached”

My Nikon D3200 shows the message "Lens not attached" when the lens is firmly attached. I've cleaned the contacts and tried different lenses but the problem persists. This problem is intermittent.
3
votes
5answers
214 views

How can I take portraits where more DoF appears in front of the subject than behind?

This photo has been processed, of course. More importantly, it seems that DoF is more on the front of the subject than on the rear side. What type of post-processing and lens is suitable for producing ...
0
votes
0answers
87 views

Can't zoom 18-55 mm lens wider than 35 mm – is my lens broken?

I have a Nikon D3200, with a 18-55 mm f/3.5–5.6 lens. I can't use zoom the lens any wider than 35 mm. The lens is just stuck between 35-55mm. I can't use f/3.5 as well because it is only available ...
0
votes
3answers
145 views

What adapter can I use to fit vintage lenses to a Canon DSLR?

I have a Canon 7D and a very modest budget. I have three lens and am wanting to find an adapter for each to fit on my 7D. Promaster Spectrum 7 28-70mm 1:2.8-4.5 MC ...
0
votes
4answers
224 views

Does an APS-C lens label itself with effective or true focal length? [duplicate]

I'm not sure if I've phrased this correctly, but I've just purchased two prime lenses: Nikkor 50mm f1.8/G (FX) Nikkor 35mm f1.8/G (DX) I know that the effective focal length of the 50mm FX lens ...
0
votes
1answer
117 views

How do I change lenses without damaging my camera? [duplicate]

As I have an canon camera in which I even got standard kit lens. Now at present the lens of camera is been not working properly because of not handling it safety, due to which I am not able to get ...
1
vote
2answers
205 views

What lens do I need to shoot this

I had an Olympus UltraZoom SP550 which has a 18x zoom (equivalent to 28-504mm from what i read), which was great until it died on my last trip... So, to replace it, I bought a Nikon D5200 kit that ...
1
vote
0answers
44 views

Autofocus not working on AF-S 35mm 1.8 DX with Nikon D3100

I haven't been using my camera very much over the past few months. The few times I've pulled it out, I noticed that the autofocus doesn't work when I put on my 35mm prime. I tested my 55-200mm and ...
0
votes
0answers
35 views

Which lens for a wedding (group of 60)? [duplicate]

I'm looking for advice : I shoot on both Canon EOS 550D and 70D and possess the Sigma 10-20mm F4-5.6DC/HSM and the Canon EF 24-105mm f4 L. Which one of these would be best suited to taking group ...
0
votes
2answers
137 views

How much have tele-prime lenses improved over the years?

Context I'm considering the Nikon 500mm f4 AIS P lens as a way to get longer reach that's better than my current setup Nikon 300mm f4 AF with 1.4x TC to get birds and related wildlife. I've heard ...
5
votes
1answer
302 views

Can you identify this M42-mount lens?

I found this lens in our attic, in a box. It is fully functional, all the iris and focus rings are turning smoothly, but it doesn't have the informations piece on its front. I tried so hard to find ...
2
votes
2answers
151 views

Are focus and noise problems I see with my Nikon D80 simply because newer cameras are better?

I can't seem to get photos with good focus or without noise. Is it the fault of the Nikon D80?I have read that cameras only two or three years old have much better light sensors and that that is what ...
0
votes
1answer
91 views

Should I change a 18-55 IS STM kit lens for a EF-S 24/2.8 STM prime?

I have a Canon 700D body with a standard 18-55 IS STM lens. Would I notice any improvements in image quality if I switch from the kit lens to an EF-S 24 mm 2.8 prime? I also have a 50 mm 1.8 STM, and ...
2
votes
1answer
125 views

Manual lens on analog EOS camera, metering problem. (Samyang 85mm f/1.4 on Canon EOS 650)

I have a Samyang 85mm 1.4 lens that I have used on a Canon 550D (Rebel T2i) and I have loved it. But now I want to use it on an analog camera, the Canon EOS 650. The problem I am having is with the ...
-1
votes
1answer
72 views

What kind of lenses will work on an entry-level Nikon DSLR? [duplicate]

I am total noob at cameras/lenses so I don't know what I am buying. My cousin has asked me to bring 70-300mm or 18-300mm lens for his D3300. Now, I don't know what lens will be compatible with the ...
0
votes
2answers
117 views

35mm DX prime lense on dx crop sensor(nikon d3300) [duplicate]

I have Nikon D3300 DSLR. I'm confused with 35mm and 50mm prime lenses on FX and DX cameras. Somewhere I read that if a 35mm prime lens is used on a FX camera the focal length is equivalent to around ...
1
vote
1answer
181 views

Will Nikon D lenses work on a Nikon D810 camera?

Can a Nikon "D series" lens work properly and let me use the full potential of a Nikon D810?
-1
votes
3answers
307 views

Why don't Canon and Nikon lock out third-party lens makers?

Context Odd question but looking at the market, I see Tamron/Sigma making lens for first-party companies such as Canon, Nikon and Sony. For manual lens such as Zeiss ( for Canon/Nikon) I see that ...
2
votes
2answers
626 views

What is the difference between these 200mm, 70-200mm and 70-300mm lenses?

I've been doing photography for awhile but I don't know a lot about lenses. I'm looking into 200mm(+) lenses (for future reference). I have a few questions about the difference between these lenses. ...
2
votes
2answers
76 views

Why “plane of focus”? [duplicate]

The spatial locus on which a lens/camera focuses (and so appears sharpest in the resulting image) is always referred to as the "plane of focus". My question is why does it have to be a plane? As I ...
1
vote
1answer
128 views

How useful is the 24-70 lens?

I am an amateur photographer. For the past few months I have been shooting with my 50 mm lens. Recently I am getting booked for more shoots, like family photos and maternity. It was suggested that I ...
6
votes
5answers
198 views

What is the safest and most convenient way to carry heavy lens so it's easy to switch in the field?

Context I use a Nikon 300mm f4 lens. It's a good lens but it's also rather heavy. Question What is the safest and most convenient way to switch teleprimes (or heavy lens in general) out in the ...
30
votes
12answers
6k views

Does it make sense to put an expensive lens on a cheap camera?

I've spent a while looking at lenses and their prices, and now I'm wondering... Does it make sense to bolt a really expensive lens onto a cheap camera? Or is the extra performance only worth it if you ...
4
votes
2answers
128 views

Chromatic aberration or lighting problem?

Over the weekend I went over to a photography shop, and they let me bolt various lenses to my SLR, including some seriously expensive ones. I took a few pictures, and was impressed. But when I got ...
-3
votes
1answer
83 views

Can't decide which lens to get - wide angle vs 18-135mm IS STM [closed]

I can't decide whether I should get 18-135mm IS STM or some wide angle lens, which would cost approximately the same amount of money. I own 18-55mm IS STM and 75-300mm USM. I use Canon EOS 100D. What ...
0
votes
3answers
79 views

Lens recommendations? [closed]

Hi im an amateur and im really interested in learning photography.im not trying to be a proffesional i just want high grade quality shots! Id like to take studio grade pics of my newborn, family ...
-1
votes
1answer
71 views

Can I fix my broken Nikkor 24-85 D?

I slipped with my camera the other day while at a wedding shoot. I fell on the lens and this happened: The lens is now stuck at 24 to 35. Has anyone here experienced this? Is there any DIY fix? ...
1
vote
3answers
188 views

How do I adjust aperture and ISO when using a manual lens on a Canon Rebel?

I have a Rebel T3 and have been fooling around with it for several years using all the dial options, except the manual ones. I have read up and understand ISO Aperture and shutter ...
0
votes
3answers
128 views

What lens should I get for my wife as a gift to go along with a Nikon D810? [closed]

I hope someone can help me. I've bought a Nikon D810 for my wife who's a keen amateur. Can someone help me with choosing a lens? She takes portraits and landscapes primarily, and I have to say I'm ...
1
vote
1answer
88 views

Is there any benefit to tilting the camera holder in a camera bag?

Would it be a good practice to tilt the pad inside the camera bag that sticks to the its side in order to prevent the lens from touching the bottom Instead of | | making it \/? I recently bought a ...
1
vote
2answers
182 views

How can lens cause consistent front or back focus?

I can understand body focusing problems, but I can't imagine why lens might cause front or back focus. I have two third party manufacturer lenses for my Nikon: one is front-focusing, the other is ...
0
votes
1answer
62 views

Nikon Lens: A (Auto-focus) vs. A/M (Auto-focus/Manual)

I have two lenses which are 18-140 VR and 50 1.8G. On the 18-140 VR I got a button showing A and M while on the 50 1.8 I got a button showing A/M and M. I understand that A is for auto-focus and M is ...
1
vote
4answers
191 views

Does a 35mm DX lens, mounted on a crop body, have the same field of view as a 35mm FX lens mounted on a full frame camera?

I know that when you use lenses made for full frame cameras on a APS-C camera, you should calculate the crop factor. E.g., a 35mm lens designed for a full frame camera mounted on a APS-C body should ...
3
votes
3answers
174 views

Are there any cheap, fast lenses capable of highschool sports photography?

I recently took on my first paying client, and she is also into photgraphy. She usually does sports for her highschool yearbook. They just have an entry level Canon DSLR with a kit zoom on it that ...
1
vote
0answers
55 views

Nikkor 28-70mm F2.8 lens problem: AF and aperture don't work

I bought this lens second hand from someone who has no idea about this kind of thing. The price WAS low, but not low enough to justify a broken lens. It has no glass scratches and at 300£ it seemed to ...
4
votes
3answers
160 views

Using a focal reducer to match a lens to a crop sensor camera

Context So I've recently watched a video about how Tony Nortrup is referencing that you should buy the lens that perfectly fits your image circle, to get the most sharpness out of it, or so I'm ...
2
votes
5answers
297 views

Why does it seem like large sensors are necessary for good low-light performance?

Phone manufacturers have recently started advertising the size of the photosites on smartphone camera sensors. They argue that larger photosites lead to better low-light performance. I think a good ...
3
votes
2answers
531 views

Why is the Depth of Field Preview button necessary?

I've looked far and wide but i cannot find the answer for this question. I know some older cameras and lenses used to have aperture rings on them, which allowed the user to set how open or closed the ...
0
votes
1answer
32 views

Sigma 70-300mm 1:4-5.6 APO Macro super lens

Is there an adapter to fit the Sigma 70-300mm 1:4-5.6 APO Macro super lens to the body of a Sony a200
4
votes
2answers
98 views

What can I put inside a 39mm gel holder?

Context So I have a 39mm gel holder for my Nikon 300 f4. AF lens. Question What can I put inside it? It doesn't look like a normal filter will work.
1
vote
2answers
110 views

Is it safe to test a (possibly) salt-water damaged lens (Tokina 11-16mm) on a new camera body?

I have a Tokina ATX AF116 DXII S - 11-16 mm F2.8 AT-X (II) 116 Pro DX for Sony and I recently ruined my Sony α65 through a salt water wave which caught me out during a storm photoshoot. Weeks ...
2
votes
1answer
170 views

Does a lens exist that is parfocal, has a linear zoom throw, and is affordable?

I'm working on a project to create, essentially, a servo-powered zoom lens, using a (D)SLR zoom, a zoom ring gear, and a stepper motor. After mounting the zoom ring gear, I'll attach a pinion gear to ...
2
votes
1answer
138 views

How to obtain 180° FOV and little optical errors?

I'm thinking about building an all-sky camera, i.e. an automated camera that points straight up to the zenith and that captures the entire sky down to the horizon. The idea is to capture celestial ...