Questions tagged [lens]

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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7
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4answers
3k views

Why are Fuji lenses more expensive than others?

I notice Canon lenses start at $125 for the 50mm f/1.8, and the $125-$400 range is filled with many options from wide angle to telephoto, not even counting third party brands. Whereas the cheapest ...
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1answer
47 views

How do I capture northern lights? [duplicate]

I have a Nikon d3400 with kit lens 18-55 mm af-p DX. What is the right camera settings for northern lights photography?
1
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1answer
52 views

How to get close to 180 degrees with minimal fisheye look on iPhone X or 11?

I'm trying to film my rugby practices with my iPhone and wondering what is the best lens to use to capture the entire field without much that fish eye look? I noticed that the new iPhone 11 (Pro) ...
0
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0answers
19 views

will my lenses for my Canon Rebel XTi work on a new Canon EOS Rebel T7i [duplicate]

I want to upgrade from my old Canon EOS Rebel XTI to a Canon EOS Rebel T7i. Will my existing lenses work on the T7i?
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1answer
129 views

What does Canon digital lens optimizer (DLO) do exactly?

Recent Canon cameras (example: EOS RP) have a function called Digital Lens Optimizer (DLO). The Canon Digital Photo Professional (DPP) software also has the same DLO feature. Apparently, DLO is ...
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1answer
44 views

How to mount a Vivitar series 1 lens to a Nikon D5300?

What lens adapter would I use to attach a Vivitar Series 1 lens to a Nikon D5300?
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1answer
31 views

AF and manual not working

I have Tamron 24-70 with a focussing ring which simply spins without engaging the lens and needless to say doesn't work through the camera either. Any ideas?
0
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3answers
93 views

What lenses do I need for all around travel and wildlife photography? [closed]

I ordered a Canon 90D camera, body only. I am looking for suggestions on the best walk around lens for traveling. I like to take landscape and wildlife pictures. I assume I would need two lenses for ...
12
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9answers
7k views

What's the biggest difference between these two photos of large animals?

The first photo (Gorilla) is one I took, whereas the second photo was taken by a more serious (not sure if professional) photographer. The second photo is clearly better but I'm not sure what the ...
3
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4answers
89 views

Does max aperture affect photo quality even when shooting with smaller one?

I notice that my faster lenses seem to make better photos even when shooting at f8 or higher. Or is it just because of the quality of the glass (faster lenses are usually more expensive) or am I just ...
0
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1answer
59 views

Small Canon New FD lenses - correct way to adjust infinity focus?

Intent was: readjust the end of focus ring travel on a new FD 28mm f2.8 so it goes a few mm over infinity, as makes senses for use with various adapters. Plan of action was: Find the adjustable stop ...
2
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1answer
36 views

How to create a photo/art project of one type of object in many sizes?

I have many sizes of one item, let’s say for example sea shells of one type but from the tiniest size to the largest one. I want to create a photo/multimedia project/collection but I don’t know how to ...
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2answers
137 views

With an old manual lens and modern digital camera, sharp image on the matte focusing screen, blurred one on the sensor

I tried to use an old Practicar lens 50mm/1.8 with Canon 450D, using an appriopriate adapter ring Practica B/Canon EF. Of course, this lens is completely manual in this configuration. Via the ...
2
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4answers
319 views

Cheap, unbranded 85mm f/1.8 prime lenses - are they optically any good?

Has anyone tried or even considered the Chinese under-£100 85mm f/1.8 primes for hobbyist/non-pro photography? Of course, they are only manual focus and build quality will not be as good as their ...
1
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3answers
139 views

How to find a camera compatible with old Sigma lenses that were used with Pentax MZ50 SLR?

I have some lenses off my old Pentax MZ50 SLR camera, and I would like to buy a new camera body. How do I find a compatible camera?
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2answers
111 views

What lenses are compatible with older Canon EOS DSLR?

I own a Canon EOS 1100D camera that was released in 2011. What lenses are still compatible with this model?
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1answer
80 views

What are the distinguishing features of various Sony mirrorless camera models?

I am not a professional photographer and it is basically my hobby. I would like to buy a mirrorless camera and I have thought to get Sony a6000. Most of the time I take pictures of landscape and ...
1
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2answers
59 views

Macro - extension tubes vs reversal - how to choose?

I do a fair bit of macro photography, indoors with good lighting, using either a focus rail or manual focus pull to image-stack. I've always considered that using extension tubes for this gives me ...
0
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1answer
34 views

How does registration distance affect lens distortion and aberration correction?

If I use a lens with an extension tube, how does changing the distance between the lens and camera affect optical correction of distortion and aberration via glass elements (as opposed to digital ...
0
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0answers
43 views

Proof of the relationship between the image area and focal length of a lens [duplicate]

It is a well-known fact that image area is directly proportional to the square of focal length of the lens. Is there any mathematical proof to it? (Possibly starting out with the lens equation and ...
-2
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4answers
139 views

Why is zoom provided in Tokina 11-16mm?

I wonder what's the use of providing zoom in the Tokina 11-16mm. Why not make it an 11mm prime lens instead? It would contain less elements, so will produce sharper images. Also at such wide angle, ...
0
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1answer
643 views

Can the front glass on a broken lens be repaired?

I just newly broke this glass on my lens tonight. Wondering if I need to buy a new lens or if I can repair this. It is a Canon EF 85mm f/1.8 USM. This is my favorite lens to use for portraits!
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2answers
84 views

Is it possible to get green and red chromatic aberration?

In one of the hallucinating scenes in a video I have played. The vision is blurry and objects nearer the edges of the screen are green and red Now the usual chromatic aberration patterns are purple/...
1
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1answer
117 views

What can I improve in my social dance photography?

I love shooting social dancers. Can you give me constructive feedback at my latest albums what I do you like and what you think I can improve? https://stanyakimov.com/albums/ All photos are taken ...
0
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1answer
68 views

What lenses have the most human eyelike images [duplicate]

I have heard wide lenses make your head inflated which isnt good for portraits like the telephoto which deinflates your head. So If I use 35mm prime on full frame. Does it mean I will get perfect ...
0
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2answers
143 views

Why do I get so many unsharp pictures with my Canon 70-200 IS f/2.8?

Please take a look at the picture below. You can see where the focus point was thanks to a LR plugin. But the image is unsharp - again. And yes, I'm sure the dog was standing still enough for 1/250 ...
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3answers
151 views

Does a camera have to have a contiguous housing?

The lens group in this picture would have its own protective lens tubes like the one on a camera but one for each lens group. What would be an issue having a gap between the lens group and stray light ...
0
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1answer
192 views

Can a camera be a mile long?

Could parts of a camera be spaced out over a distance rather then together to work in a way a normal camera cannot? What characteristics would this camera have over a normal camera? In the picture ...
2
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0answers
220 views

What causes this repetition pattern in a picture? (when re-arranging its pixels by their intensity - code included) [closed]

Just out of curiosity, I was playing with RGB coordinates and pixels of pictures. Then for some reason I decided to get all pixels of a picture, get the RGB coordinates/values of each pixel (eg. RGB(...
23
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6answers
9k views

What is the farthest a camera can see?

At what distance can a face no longer be identified using a camera? At what distance can a figure of a person no longer be captured?
0
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1answer
51 views

Can the MTO-11 mirror lens be extended to 2000mm using an extension tube

In this link https://www.dyxum.com/dforum/ayone-knows-the-mc-mto11ca-10-1000-telephoto-lens_topic12136.html A poster claims that the 1000mm mto-11 can be extended to 2000mm by removing a stop and ...
1
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1answer
61 views

What is the mount with three tabs and two linkages on these Albinar lenses?

I have two Albinar lenses that I want to identify the lens mount for so that I can buy an adapter for my Sony A5000 (E mount) camera. I bought them at a yard sale recently. They are vintage lenses. ...
0
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4answers
129 views

Can I use 50mm f2 lens to take building photos?

Can I use 50mm f2 lens to take building photos? In my case will be an Yashica ML 50mm f/2.
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3answers
105 views

Does white balance change from lens to lens? [duplicate]

Does white balance change from lens to lens? Though I think it does not, the reason I ask is auto white balance with a wide-angle lens seems to be different from auto white balance with a macro lens. ...
0
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2answers
72 views

Is the Canon EF 50mm f/1.8 STM compatible with the Canon 4000d? [duplicate]

I'm a photography enthusiast and I'm looking to buy a canon 4000d and a lens for it, but am not sure whether it's compatible with a canon 4000d or not.
0
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3answers
134 views

Which are the best lens for Street Photography? [closed]

I'm considering to buy an Olympus Pen F and I have to choose between two offers: the former comes with the 17 mm lens and the latter includes the 14-42 mm and is 50 euro cheaper. I'm interested in ...
0
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2answers
76 views

Lens(es) for Pentax K70 (in Iceland) [closed]

I've bought the K70 with the DAL 18- 50 WR some time ago. I'm still really new to photography and don't have much knowledge yet about it. In almost two weeks I'm going to Iceland and I'm planning to ...
2
votes
2answers
121 views

Why is there motion blur at the edge of photos?

I’ve noticed a problem that has appeared recently with my Nikon D7200 and 18-140mm kit lens. When I take photos of distant objects, I get what looks like a motion blur at the edges. I have looked up ...
2
votes
3answers
135 views

Need help choosing between two DSLR/lens setups

Currently, I use my smart phone's camera to photograph cars, trucks, and auto racing. I shoot outdoors, mostly in daylight, but often in gloomy overcast weather. Occasionally, I may shoot at dusk. I'...
1
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1answer
57 views

Is there an online lens diffraction and maximum sharpness table?

I simply want to see an table that lists the lens diffraction limit of each camera. I have came across this well done answer with animated PNG and I realized there i also the perfect sharpness ...
0
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2answers
40 views

Canon EF 70-200mm 1:2.8 L IS III USM lens hood diameter?

The Canon EF 70-200mm 1:2.8 L IS III USM is specified to have a max outside diameter of 89mm, but I assume that is without the lens hood (ET-87) attached. I can't seem to find the outside diameter ...
-1
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2answers
117 views

How to decide which MM lens to use? [duplicate]

I recently purchased Nikon D5600 with dual lens. It has come with: AF-P: 18-55 mm, and AF-P: 70-300 mm lens I was just going through Nikon School videos and it was showing one 18-105 mm lens. I ...
0
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2answers
95 views

How to fix plastic mount on dropped Nikon 70-300mm lens?

I accidentally dropped my Nikon 70-300mm lens and two small plastics broke off. Can it be fixed?
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1answer
70 views

What should I do when my D3400 aperture is stuck no matter what lens I use?

I have a D3400 and recently I haven't been able to change the aperture on any of my lenses in manual mode. I have lenses with aperture rings and if I set the aperture to anything below the largest ...
0
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1answer
19 views

Zhiyun Weebill Lab with Tokina 11-20mm?

Have anyone used the Zhiyun Weebill Lab gimbal with a crop sensor DSLR and the Tokina 11-20mm lens? Would it balance without a problem? Would it balance with an ND filter screwed on?
2
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3answers
237 views

Why are landscape photos “subpar” on Canon EOS 750D with Sigma 17-50/2.8 lens?

I currently own a Canon EOS 750D (Rebel T6i), which I mostly use with a Sigma 17-50/2.8 and a Hoya circular polarizing filter. However, I can't help but feel disappointed when in looking at my ...
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0answers
50 views

Fujifilm Instax mini 90 lens cover won’t close

My mini 90 neo classic camera lens cover won’t close when turned off. Please help To note: took it to the beach to take some pictures and there was a storm happening and lots of sand was blowing ...
0
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4answers
124 views

Which lens should I get for a Canon T7i for shooting on safari, the 70-300 or 55-250? [closed]

Haven't had a camera for years. I read great reviews on the Canon T7i EOS DSLR. My wife & I are going on a safari in South Africa and I'm thinking about buying this. I can get it with an 18-55mm ...
0
votes
1answer
49 views

Question on f-number and exposure [duplicate]

Is there any mathematical proof to show that the exposure in a camera is independent of the focal length used, if the f-number (ratio of focal length to lens diameter) remains constant?
3
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3answers
96 views

Can a plastic-barreled lens be damaged if stored inside a car? Can sunlight damage the lens?

One of the lenses I purchased has this note in the instruction manual: "Do not place lens in direct sunlight or leave it in an extremely hot place such (sic) inside a car. Doing such could damage the ...