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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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48 views

Has anyone used Canon EF lenses on Sony mirrorless cameras? [duplicate]

I'm looking to buy a Sony mirrorless camera. The draw back is the expense of extra lenses as Sony really is proud of their products. Has anyone here tried using a Canon EF lens on a Sony mirrorless ...
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26 views

Nikkor AF 70-300mm “Lens Not Attached” Error [duplicate]

My AF Nikkor 70-300mm lens stopped working with my D40 for no apparent reason. When I attach the lens, it claims there is no lens attached, even though there clearly is one attached, and the ...
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1answer
459 views

“Lens not attached” appearing whenever I try to use my Nikkor 70-300mm?

I've had my Nikon D5000 for about two years now. It has never failed me! I have only two lenses, the standard 18-55mm lens and a 70-300mm lens I received about two years ago. I've never had a problem ...
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1answer
65 views

Nikon D3200 - quality loss with stock lens and with old lenses?

I know that you can use an adapter to mount various old lenses on D3200, but would I lose quality by doing so? I even read something that said that the default VR2 lens delivers 3 times as poor ...
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0answers
9 views

Macro/Telescopic converters for Nikon D3200's 18-55mm VR2 lens? [duplicate]

Would I be able to mount the converters to this lens and would they work well and do much good for me? Are they even worth buying assuming I won't be getting any other lens for a while (they're ...
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1answer
93 views

Which lenses can use with my Sony A-mount body when using mount-adapters and what are the disadvantages of such adapters?

I own a Sony A77 APS-C SLT A-mount camera. For someone who likes to experiment and is on a budget, mount adapters are tempting, since they greatly expand the catalog of available lenses and open up ...
3
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1answer
230 views

Can screw-in wide angle adapters/converters produce decent quality results?

I would like to get wider angle photos than my current setup allows (18mm APS-C minimum), but decent wide angle lenses (10-14mm for Sony) cost 300+€. I stumbled upon these wide angle converters which ...
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2answers
11k views
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1answer
5k views

What is a focus limiter?

What is a focus limiter and how does it work? What is the advantage of it? For instance Tamron 90/2.8 Macro has a focus limiter. According to the documentation: In the limit position, the Tamron ...
2
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1answer
101 views

Nikon 18-55 mm Lens Focus Wheel Jammed

I accidentally dropped my Nikon D3200 with a 18-55 mm lens about a foot onto a hard carpet. It originally looked ok, however I soon realised it wasn't focusing. I saw that the focus wheel was jammed ...
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1answer
151 views

How do I know if a tiny lens crack is a manufacturer fault?

1I bought the Canon zoom STM lens recently, and used it a couple of times indoors and just yesterday took it outside. Then I noticed a little dot , or what it seems like dust (the actual size might be ...
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4answers
2k views

Can I use old Pentax lenses on newer Pentax DSLRs?

Can I use old Pentax lenses from the film days on the newer Pentax DSLRs? Are there any caveats or exceptions? Are adapters or modifications needed?
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1answer
213 views

Why does my camera insist that my Nikon 50mm f1.8 be locked at its lowest aperture setting?

I just got this lens and I really love it, but I can't seem to figure out why it will only take pictures at f/1.8. If I attempt to change the lens aperture setting, it says the aperture must be set at ...
4
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2answers
752 views

How do I get a decent zoom lens for my Micro 4/3 camera?

I recently bought my first “real” camera, an older Lumix GF-1 with a pancake 14mm/2.5 lens. (I love it, here’s some samples.) I wanted to try a zoom lens, so I bought a second-hand 14–42/3.5–5.6. ...
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0answers
44 views

Sigma lens adoptor to Nikon camera [duplicate]

I have a Sigma zoom 28-80mm 1:3.5-56 macro lens. I like to use it on a Nikon D3200 camera. Could anyone tell me which lens adoptor will fit and i need to buy. Thank you.
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1answer
148 views

Explanation of the fisheye phenomenon

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 ...
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2answers
173 views

What is the most compact camera/lens setup with movements?

I want to try perspective control and I'm good with using film (large format too) or digital camera (full-frame) to do that. What is the most compact option, which can be used while traveling?
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1answer
231 views

Is it possible to add an aperture ring on Nikon G Lenses?

Many of the more affordable Nikon FX Lenses are G Lenses, without the aperture ring. One of my Cameras is a Nikon FG manual 35mm SLR from the 80s, which could only support a G Lens at the lowest ...
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3answers
1k views

noticeable improvment with 70-200 f4 (non is) vs kit lens (18-135 is) and 70-300 (is, non L)?

I currently own a 600d + a 18-135 kit lens.. but one thing i fell missing is reach.. I can't afford an expensive lens like the 2.8 is or the 100-400 so i thought about two lenses: canon ef 70-200L f4 ...
3
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1answer
153 views

Too heavy a lens? [duplicate]

Silly question. I have a Nikon D5100, that unfortunately just needed to go in for service. I am trying to make sure I don't do whatever I did again. I just got a new 500mm lens, it is quite heavy. Is ...
3
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5answers
12k views

If I have an 85mm lens for portraits, is a 50mm useful as well?

I recently got my Canon EF 85mm f1.8, after lot of thought over if I should buy Canon EF 85mm f1.8 or Canon EF 50mm f1.4, I decided on 85mm so that I can shoot portraits of people even from a ...
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3answers
1k views

What are the metal items on top of an older Nikon lens?

Does anybody knows what the two metal items on top of the lens are used for?
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2answers
297 views

What type of lens is more suitable for this type of portrait shot on railroad tracks?

Posted on FaceBook looking for volunteers to model for me for free and I give them the photos for free and some people agreed to that so I want to be prepared and at least take the right gear to the ...
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2answers
169 views

Is a 70-300 lens something you would get in addition to a 85 mm lens?

My budget range: Don't want to spend more than $1000.00 My goal: Taking nice portrait shots with bokeh and blurry backgrounds in non-studio places like standing next to a graffiti wall in a street. ...
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1answer
117 views

How does the Minolta AF 24 mm f2.8 compare to the Sigma AF 24mm F2.8?

I have an APS-C Sony A77 and I am looking for a 'walk around lens' which is wide enough to take around the city and fast enough for lower light conditions, ideally below 200€ german. With these ...
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4answers
324 views

Will a 50mm EF lens give the same result as a 50mm EF-S lens? [duplicate]

edit: ^^ the answer to that question talks about the lens being the same and but not how or why this is the case, and does not answer the question about resultant image, First of all, to let you ...
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2answers
1k views

What is the EF 28 - 105 mm 1: 3.5-4.5 lens best for?

I've been shooting for about a year now and am slowly acquiring lenses. I just bought two used on craigslist from someone who was getting rid of equipment. Canon EF 28 - 105 mm 1: 3.5-4.5 Canon EF ...
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1answer
188 views

can i transform my manual focus lens into an autofocus lens?

I have a Nikon D3300 camera. And I bought a 55-300mm nikkor lens but this lens is not an autofocus lens, so when shooting I should manually focus and sometimes the photos are blurry. Is there any ...
3
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2answers
190 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, ...
6
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1answer
367 views

Why doesn't exposure change when changing focal length?

With a Canon 550D camera and a Tamron 18-270 mm zoom lens, I tried to fix shutter time, aperture (f/8.0 to cover all zoom range), and ISO, so the exposure meter read 0.0 with 18 mm focal length and ...
3
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1answer
263 views

Why isn't the size of an object in macro image exactly proportional to the ratio of the focal length and distance in front of that?

Using a Canon 550D with a EF 100mm f/2.8 Macro USM lens, I can make a 1:1 macro photo at shortest film plane to subject distance of 310 mm, thus getting 22 mm of a scale on the APS-C sensor, which is ...
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1answer
218 views

Does Lightroom take sensor size into account when applying lens correction profiles?

I have a question about using the lightroom lens correction profiles for cameras other than full frame. I have been using a Tamron 24-70 which is known for having slight vignetting (full frame only) ...
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2answers
119 views

What are some tips to keep a lens from rolling on its side when kept horizontally on a table?

Assuming we don't prefer to keep the lens vertically when not attached to a camera. I'm broadly referring to adding some sort of an attachment to keep it from rolling and falling of a table. Or any ...
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2answers
143 views

Lens Adapters For Point and Shoot Cameras?

I have an old Kodak DX7590 and I was wondering if there were any lens adapters that would work with it to turn it into a mediocre DSLR
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6answers
3k views

Choosing between Lenses Canon 70-200 f2.8L IS II vs Canon EF 70-300mm f/4-5.6L IS USM

I am considering between these 2 telephoto lenses but I cannot make up my mind on which one to buy. I have read a lot about the pro's and con's of both these lenses.. For example 70-200 f2.8 IS II ...
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0answers
34 views

Technical book or resource (non-creative) [duplicate]

I'd like a resource from which to learn about technical, non-artistic/technique aspects, such as: Onion ring bokeh, and what causes it. Choosing of lens hoods, Why chromatic aberration happens/why ...
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4answers
1k views

Is there a correct way to swap lenses?

I am regularly swap between a telephoto and a kit lens on my Olympus 500. Normally I just switch over the covers and cap to the non-use lens and drop it in my bag but today it was particularly ...
3
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4answers
713 views

Would a 85mm lens have allowed me to blur the background better in this photo of a DJ in action?

This is the picture I took: I had a Nikon-D610 and a 24-70mm f 2.8 lens on it and I used it on Manual mode and metering was f:2.8, Shutter speed: 1/20 sec and Focal length: 62mm. Also I was as ...
19
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6answers
1k views

How do photographers manage multiple lenses?

This is probably a very naive question but I will ask anyway. It appears that most photographers carry multiple lenses. Each lens serves a different purpose. I understand that. However, I can't ...
35
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9answers
7k views

What are the dangers of removing a lens while the camera is on?

The manual warns that you should turn the camera off to remove the lens, but it doesn't say why. I suspect this may have to do with dust, but I could imagine there are lots of other reasons. I'm ...
11
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3answers
2k views

Is it risky to change lenses in the cold?

I am generally a lazy person, so I am extremely averse to changing lenses on my camera in the cold. I am concerned about my fingers getting cold, but here I read that condensation is extremely ...
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3answers
1k views

How do I avoid dust entering my camera when changing lenses?

Akin to Should I be worried about getting dust inside my SLR? and What should I do to avoid switching lenses?, I have a certain paranoia of dust/debris entering my camera when changing lenses. Are ...
3
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2answers
254 views

lens care: compressing lens without full-time manual focus when camera is off?

The lens manuals for my lenses without "full-time manual focusing" warn not to use the focusing ring when it's in Auto-Focus mode. I assume that even applies when the camera is off, but am I being ...
7
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1answer
201 views

How is Nikon's PF optics different from and similar to Canon's DO optics?

Nikon has just announced a new 300 mm lens featuring a new technology called "PF" or "Phase Fresnel." This has been compared to Canon's existing DO (Diffractive Optics) lenses such as the 400 mm f4 ...
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3answers
11k views

What mm lens for distance shots?

If I am looking to take landscape and wildlife shots and some of those shots being from a decent distance what mm lens would I need? I am not sure what else I should be adding here, I am just looking ...
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2answers
202 views

What does f/4.5-5.6G stand for on a Nikon Lens? [duplicate]

Can you please explain me what is 4.5 - 5.6G in a lense description.And how it is different from other generation of like 3.5G or 6.5. "Nikon AF-S DX NIKKOR 55 - 300 mm f/4.5-5.6G ED VR Lens"
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0answers
163 views

Are mobile phone camera lenses good enough to support 20MP sensors?

With mobile phone cameras approaching 20 MP while maintaining small sensor sizes, pixels dimensions are typically around 1 μm or lower. What about the lenses? Are they good enough to produce an Airy ...
2
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4answers
2k views

35mm vs 40mm: Does it matter?

I want to buy the lens Voigtlander Nokton 40mm F1.4, $449 Voigtlander Nokton 35mm F1.4, $629 I am asking, why the slightly difference in focal length, the price difference in so much as $180? ...
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4answers
435 views

What low-cost non-fisheye wide angle lenses are available for Canon and how do they compare?

I'm currently looking for a wide angle lens for my Canon T3i. I would prefer a prime lens. I want to use a wide angle lens primarily for video (so the lens needs a quiet AF motor) but for still ...
1
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4answers
825 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 ...