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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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3answers
641 views

What does “maximum aperture” mean in a camera spec? Where can I get the full aperture range?

I own a Canon S95, and am considering getting a newer model (e.g. Canon S110 or S120), and I'm comparing the specs. According to DPReview.com, the S95 has a maximum aperture of F2.0-F4.9, and the S110 ...
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4answers
1k views

Does sensor size affect lens distortion?

There was recently a video posted about how different focal lengths affect portrait photography, specifically how distortion at smaller focal lengths have more distortion and are less flattering. So ...
0
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0answers
33 views

What kind of chromatic correction has the Pentax M 50mm f/1.7

http://www.kenrockwell.com/pentax/35mm/lenses/50mm-f17-smc-m.htm After the chromatic aberrations that I observe, it could be an achromat.
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0answers
36 views

Nikon 18-55 vr ii vs Nikon 18-70 [on hold]

I'm looking to buy a base kit lens to go along with my girlfriend's D5100. We both share lenses (I own a D7000) and I already own a 18-55 vr kit lens and a nikkor 50mm 1.8g. Both the 18-55 vr ii and ...
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1answer
65 views

Low light when using Macro Reversing Ring

I just purchased Macro Reversing Ring for my Nikon d5100(18-55lens), but I observed that whenevever I try to use it I am getting very dark images, They are so dark that I cannot capture them without ...
1
vote
4answers
261 views

How do old lenses get dented just on the filter ring?

I often see old Nikkor lenses for sale that have one deformation on the lens barrel, at the level of the filter. The focusing barrel is intact, the rest of the lens is in good condition, the glass is ...
0
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1answer
133 views

Which of my lenses to choose for shooting the Milky Way? 17mm 2.8 or 10mm 4.5?

Next week I hope to get a good chance to do my first Milky Way shoot. Last thing I struggle with is which of my lenses to use. I want to avoid startrails. In the final round are: Sigma 17-50 2.8 ...
1
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2answers
155 views

How does Rokinon 24mm f/1.4 image quality compare between f/1.4 and stopped-down to f/4?

I have a Rokinon 14mm f/2.8 lens that I use as my go to for dark sky imaging with my full frame camera and it is amazing. However, I just bought a Rokinon 24mm f/1.4 lens for my crop sensor camera so ...
2
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3answers
14k views

How do I choose between 24-70 f/4 and 24-105 f/4 Canon lens?

I am getting a new medium range zoom lens for general use and occasional weddings. This new 24-70 f4 was top of my list until I watched this review: Canon 24-70 f/4L IS vs Canon 24-105 f/4 IS - ...
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1answer
57 views

Sigma 17-50 f/2.8 or Sigma 17-70 f/2.8-4 (C) for Canon 600D

I know this has been asked alot.. I have Canon 600D with Canon EF-S 18-135mm f/3.5-5.6 and Canon 50mm f/1.8 lenses. I'm looking to upgrade the zoom lens with something with better IQ, sharpness, ...
3
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3answers
92 views

How do I rig up a color filter for my Sigma 8-16mm Ultrawide?

I am a bit confused... I'm not sure if the cokin system will work on my lens, as my lens doesn't have threads for a filter. I've found that placing a Z series cokin filter in front of the lens will ...
2
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5answers
235 views

High Chromatic Abberation with Pentax f/1.8 50mm lens

I recently bought a Pentax K-50 in a set with two lenses (18-55 & 50-200) as well as a 50mm fixed focal length lens. The camera is great but I am extremly disappointed in the lenses. Two out of ...
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2answers
583 views

What reverse connector do I need for Nikon?

I have 2 lenses for my Nikon D7000. First is 18-55mm and 18-200mm. I saw some pictures on internet are done using some reverse connector to get macro effect. What exactly I need to buy and how exactly ...
2
votes
1answer
95 views

Nikon 16-85 VR focus noise problem?

My 16-85 VR is doing some weird noise during focus, manual or auto. It's like an hiss. I asked in a local shop and they said it can be some microdust inside the lens. But I'm a little worried it can ...
4
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5answers
3k views

Seriously considering upgrading my Rebel T2i (550D) to either a 6D, 7D or 70D

I shoot a lot of performers in low lighting conditions. Essentially I am looking for a camera that will help me reduce the noise level significantly. I find myself rarely using the kit lenses and ...
4
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1answer
118 views

Is the distance scale on a lens linear?

I have Nikon lenses with distance scales on them so I can set the lenses to the hyperfocal distance when I need. Say now the focal length is 28mm and the aperture is f/16. The corresponding ...
0
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1answer
223 views

What to do when autofocus on Canon 85mm f/1.8 not working?

My Canon 85mm's AF isn't working. But here's the thing, it recognizes there's a lens mounted, it gives focus confirmation, and I can even set the aperture, but it does NOT recognize that it's an AF ...
2
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1answer
83 views

Which filters will fit Voigtlander 15mm?

I recently got myself Voigtlander Super Wide-Heliar 15mm/4.5 lens, which I enjoy shooting a lot. It has built-in lens hood with filter threads and manual says it's fitted with 52mm filter threads. I ...
10
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3answers
1k views

What do the red values mean on the distance scale of a lens?

Take this lens I have for example, it has red values on the distance scale (not sure what do you call it exactly) next to the focus ring. What does these values mean?
2
votes
2answers
527 views

What is the sound that I'm hearing from Canon EF 24-105mm F/4 L lens?

I've a Canon 600D with Canon EF 25-105mm F/4 USM L lens. When I half press the shutter I can hear the US motor sound trying to focus on my subject, however I hear another sound, it's lower than the ...
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2answers
66 views

Compability of Kenko DGX PR0300 2.0X C-AF F4.5 for Canon and a Canon 55-250mm lens

Can the Kenko DGX PR0300 2.0X C-AF F/4.5 Lens for Canon (Black) be used with a Canon 55-250mm lens?
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1answer
110 views

IS auto-shutdown causes SLR to stop detecting lens - Canon 70-200 2.8L IS MK I

I've tested this on my 6D and my friends' 60D. Use case: [Only occurs in Video mode] 1) Activate the IS function during Video mode. Does not have to be recording (but is reproducible in the same ...
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2answers
133 views

Would I get more benefit from buying a new lens to go with a new camera body?

Our family has had a Nikon D70 for years that has seen many holidays and produced lots of good photos. The camera is getting a bit old and unreliable at times, with occasional card issues, and ...
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4answers
519 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 ...
2
votes
1answer
119 views

What lens should I use to be able to fill the frame with a mounted 35mm slide at 12 inches?

Objective: Digitize thousands (~7500) mounted 35mm slides as quickly as possible (without using a paid service), about 1,000 before Father's Day. Equipment: Kodak Carousel 750H Projector Nikon ...
0
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2answers
140 views

Can I connect a new Olympus lens to my Nikon camera?

I have a Nikon D3200 and I want to buy another lens for portrait photography... The lens I want to buy is a Olympus not Nikkor, would it fit my camera or would i need like a lens adapter? And is there ...
4
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5answers
1k views

Macro lens for Nikon D90

I'm an eye surgeon and take photos for patients with squint (crossed eyes) showing the eyes only. I also need to take photos to lid lesions which may be 3-10mm only. I already have the 18-105 lens. ...
2
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3answers
313 views

What can I do when autofocus suddenly starts blocking at around 2m on a Nikkor AF-S 28-70mm 1:2.8 D?

I had this lens for quite a few years now, it used to work as expected. I didn't use my stuff for a few months, maybe 6-8 months. I just bought a D600 and tried to use them. The AF does not work as it ...
0
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1answer
324 views

Can you take a picture of a milky way on a canon EOS 300?

I really want to take a picture of the Milky Way using my camera. I'm not sure if it is able to pick it up? The lens I am currently using is a Canon EF 55-200mm. Should I be able to this?
13
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2answers
302 views

Is it a bad idea to activate lens-corrections in camera, when also use lens-correction in Lightroom?

My EOS has the option to correct known lens-aberration which is activated at the moment. I use Lightroom (5.2) for post-processing, which can also correct lens-aberration. Is it a problem to ...
2
votes
1answer
110 views

What do I need to know to select a Nikon-fit macro lens?

I've recently found a passion for macro photography and have purchased a Nikon D3200 which is a great starter DSLR. I have a macro setting on my DSLR and am currently using a VR lens. Will i ...
15
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5answers
4k views

What equipment is necessary/preferred for real estate photography?

What equipment is necessary for real estate photography, and what is preferred? I'm starting into real estate photography, and I'm trying to figure out what I need and what I will want to plan on ...
0
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1answer
74 views

Can a Canon 100-400 EF lens with damaged AF be repaired?

Canon 100-400 EF lens Autofocus is damaged due to shake during travel. I can focus Manually, but Auto Focus makes some noise and doesn't focus. I guess, the motor is not functioning. Can this lens ...
2
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0answers
72 views

How can I fix a Nikon DX 18-135mm with an aperture stuck open?

I am currently on a trip and I brought an 18-135mm lens and a 35mm prime as my two lenses for the trip. When I took my zoom out of my backpack off the plane and put it on my camera, I immediately ...
0
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1answer
35 views

Sony 3.5-5.6/18-55 SAM (SAL1855) lens broken

I have a Sony 3.5-5.6/18-55 SAM (part no. SAL1855) lens that has taken a knock and the zoom ring is now stuck fast at 55mm and the focus ring doesn't want to pull all the way in. Are there any guides ...
4
votes
2answers
145 views

Perspective Warp vs. Tilt-Shift

I've been doing some architectural photography and indoors with the Nikon 14-24 f2.8 lens. Most of the time I can get my camera high enough to frame my shot and keep vertical lines vertical. But ...
1
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1answer
139 views

Where to fix Canon lens, other than Canon

I have a 70-200 2.8L II lens that was broken on a photoshoot (dropped 1 ft). The glass is intact (thank you, UV filter) but there is some issue inside the lens where the images aren't focused and the ...
0
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1answer
26 views

D70 FEE error with aperture ring set and locked [duplicate]

All my lenses which used to work fine on the D70 now give the fEE error. All are locked at the minimum aperture. I have tried cleaning the camera and lens rings, a hard reset, and pushing the DOF ...
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3answers
2k 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 ...
1
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1answer
108 views

50mm stuck on the body

I have the Canon 600D and the "nifty fifty" 50mm f/1.8 that cost around 100$. One day when I was trying to switch lenses, I pressed on the lens release button, started twisting the 50mm, and around ...
12
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5answers
2k views

Camera lens or megapixel value: which defines the quality and clarity of the picture?

I have a 5MP camera in my phone. The pictures shows good clarity both in the phone screen and my computer screen. But one of my friends has a different camera with the same 5MP in his phone (brand is ...
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2answers
117 views

How to prevent my waterproof camera from condensation?

I recently bought a HP C-150w for my vacations and the first time I've used it in water it got condensation on the lens as soon as I removed it from water. I've been reading about how to prevent ...
14
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1answer
1k views

Can anyone identify the manufacturer of this golden lens?

On a recent photo tour, a lens another photographer used caught my attention because of its golden color and no manufacturer name I know being visible. Unfortunately, I was busy taking some shots ...
4
votes
2answers
128 views

Use of DOF adapters in stills photography

The camcorder guys figured out long ago how you can get the shallow DOF of a larger sensor system (typically full frame) on a camcorder equipped with a much smaller sensor (typically 1/2.8") by doing ...
5
votes
6answers
3k views

How do non-MFT lenses work on a Panasonic GF3?

I'm thinking of buying a GF3. But the lenses are pricy, so I have to pick my kit wisely. I saw that there are adapters for it, but I'm new to lenses. Are there any problems with attaching non-MFT ...
10
votes
4answers
16k views

What is USM, and what are its pros and cons?

My Canon lenses have the designation USM on them, which I assume is for the same reason that they say "Ultrasonic". What does this mean, and why or why do I not want it?
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0answers
25 views

Sports photography [duplicate]

I own a Nikon D5100. I am 3 steps below a beginner photographer. I bought this camera in hopes of being able to take photos of my family during sporting events; football, wrestling, dance line, ...
0
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0answers
50 views

Bayonet mount adapter

I am planning to buy a Vivitar lens with a 58mm bayonet mount. I need to fit it to a 58mm screw fixing. Can I get a adapter to do this? If so, where and what is it called?
2
votes
1answer
97 views

Are there a comprehensive list of available (possible) adapters between different lens mounts?

When buying old dirt cheap lenses for use in modern cameras with the help from adapters, the flange focal distance is always limiting factor. The article about flange focal distance lists the ...
5
votes
4answers
1k views

Why are Micro Four Thirds lenses so expensive compared to Canon?

I'm looking at picking up a new prime portrait lens to augment the kit lenses that came with my Olympus OM-D M-10. My brother has a Canon with a 50mm f/1.8 lens that takes beautiful photos and costs ...