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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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26 views

How can I compare different lenses in terms of video quality?

I am currently looking to buy a new lens to replace with kit lens, having an extra reach, faster, better image quality and also better video quality. Without buying all the lenses I have shortlisted, ...
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46 views

Mathematics of photography [migrated]

From mathematics perspective, cameras do convert the 3d shapes into 2d shapes in the photos. If we consider a 3D coordinate system X-Y-Z which the origins is the camera (or its lens or things like ...
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0answers
22 views

Nikon D3200 lens upgrade [duplicate]

Hi I own a Nikon d3200 with a basic 18-55mm kit lens. Now i want to buy a 55-300mm lens mainly for its zoom purpose. I want to know if i can take portraits using this lens both indoor and outdoor. How ...
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2answers
100 views

Is the Nikon 55-300mm a good choice for indoor and outdoor portraits?

I have the most basic model of Nikon DSLR, the Nikon D3200, with the 18-55 kit lens. I'm thinking of buying the Nikon 55-300mm lens, mainly for its zoom purpose. Is it a good lens? Can I take portrait ...
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1answer
95 views

How to differentiate between a VR and VR II Nikkor lenses (e.g., 55-200 VR and 55-200 VRII)?

I want to know how can I differentiate between VR and VRII lenses. Nikkor has been providing a lens of same focal lengths 55-200 with VR and VRII. Below is the VR II product pic from Nikon's website. ...
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2answers
104 views

Which sensor “full frame” vs. APS-C (1.6 crop) gives more distortion?

Which sensor "full frame" vs. APS-C (1.6 crop) gives more distortion using the same lens? I mean, would a 10mm lens on a full frame camera show more or less distortion than if it were on an APS-C (1.6 ...
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2answers
26 views

Video tutorial about how lenses work [closed]

Is there a video tutorial explaining how camera lenses work and how they generate different visual effects?
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3answers
82 views

Will a macro extension tube eliminate the cropping of an APS-C lens on a full-frame sensor?

I understand using an A-mount lens intended for APS-C sensors on a full-frame camera results in cropping of the image. According to a tech at Sony, you lose 1/3 of pixels (APS-C is a 2/3 sensor so it ...
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2answers
75 views

Can add-on lenses for mobile phone cameras improve the image quality?

I have an iPhone 5s. I wonder if using an additional lens increases the image quality or not. Or does it just help in zooming?
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0answers
23 views

Can I use a Samyang 75-300mm or a Soligor 90 - 230mm lens on a Pentax Film Camera?

I have two Pentax cameras (ME Super and a K1000). Which of these lenses will work with either or both of the cameras? Soligor 90-230mm Phoenix/Samyang 75-300mm They both fit on each of the ...
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2answers
83 views

Issues in long exposure photography [closed]

Yesterday i was trying to shoot night photography and my camera was on tripod. I tried to shoot with 70-200mm f2.8 tamron lens and the picture looks blurry I don't know why since the camera on tripod ...
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2answers
123 views

Canon EOS M: Do these lenses make sense together?

Today I purchased a Canon EOS M to replace my meanwhile almost 10 year old 400d. I was under the impression that I was just buying the kit with the EF lens adapter, so I also bought two lenses. It ...
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0answers
39 views

What (if any) are the differences between Minolta's SAL500F8 and Sony's SAL500F80?

I would love to buy one of these autofocus 500mm f8 lenses, but information about these lenses is sparse, and I haven't been able to find anything at all about if Sony made any changes to the lens ...
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0answers
15 views

Nikon D-5200 was working fine, but now shows “Lens Not Attached”? [duplicate]

My D-5200 Nikon has worked fine (camera and lenses) until yesterday when it said "Lens Not Attached"? What can I do to troubleshoot this issue?
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3answers
69 views

Is a quartz lens necessary to prevent UV blocking on full spectrum enabled cameras?

I have read that in order to operate a "full spectrum" camera properly, so as to not block light in the ultraviolet portion of the spectrum, that one needs to acquire quartz lenses for one's camera. ...
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1answer
69 views

Will lenses of a different brand work on a Nikon DSLR? [duplicate]

I am new to photography and I am planning to buy a Nikon D3300 (with 18–55 mm kit lens) to start with, after reading through the reviews. But one question lingering on to my mind even after reading ...
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1answer
72 views

Is the Nikon 80-200 f/2.8D ED outdated?

I have been reading up a lot of information on the internet about the AF 80-200mm f/2.8D ED lens as I'm seriously considering purchasing one. I own a D7000 that came with the 18-105mm kit lens. I ...
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1answer
39 views

Is Sigma AF 70-300 f/4.0-5.6 DG APO Macro compatible with Nikon D5100?

Is the Sigma AF 70-300 f/4.0-5.6 DG APO Macro compatible with the Nikon D5100 camera?
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0answers
67 views

Projector Design and lenses

I am working on a project where I need to project a single image onto an object, Originally I was looking at the digital projector route but due to cost and complexity this has been ruled out. I found ...
1
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1answer
45 views

Will an EMF AF Confirm M42 Lens To Canon EOS adapter actually confirm with the Helios 44-2 58mm f/2?

Just bought my first vintage lens on e-bay, the the Helios 44-2 58mm f/2 and now I am looking for an adapter for it to mount it on my Canon 6D. I noticed that the EMF M42 adapters can be had with and ...
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0answers
92 views

Canon L Lens producing higher noise/grain? (24-70mm f2.8 II)

I just purchased a brand new 24-70mm f2.8 II for my upcoming trip. I've been testing out this lens for the past few days, and have noticed something that I'm a bit confused by. It seems by my tests, ...
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2answers
69 views

Focusing issues with Nikon 18-35mm f3.5-4.5D on D3200

I have a Nikon D3200 and I have used in the past year and half a 35mm f/1.8 G DX prime lens . I have rented several other lenses and I also have a 50mm 1.8G prime too (I'm sure that some of you will ...
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2answers
69 views

Reverse ring sizes

I recently ordered a reverse ring and turn out i ordered a wrong one. My camera is 7100 but i ordered D700 from ebay, i bet it won't be exchange but can i order something else to put it on my lens, so ...
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1answer
115 views

Buying lenses from Japan on eBay? Good or bad?

I have been looking into Canon's older 28-80mm USM metal mount lens. I have heard that it is a very good lens for the money, but when I looked for it on eBay, the only places that seem to sell it are ...
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1answer
147 views

What is the difference with ED and IF-ED lens?

I am confused with the difference between Nikon AF-S DX 55-200mm F/4-5.6G Telephoto Lens and Nikon 55-200mm f/4-5.6G AF-S VR DX IF-ED Telephoto Zoom Lens Can some one clarify me on this?? Thanks ...
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0answers
28 views

Zoomlens “pops” around a certain focal length. What failure is my lens showing?

For a while my Sigma 18-50 f/2.8-4.5 lens has been shaking the viewfinder image once in a while. After asking a related question I settled for the explanation that it was the image stabilisation ...
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1answer
84 views

What lenses can produce a clean starburst effect?

I have seen several examples of a beautiful lens effect, naturally due to a stopped down aperture, but not like a lens star I have managed to create myself - it is so clean. Here is an example: ...
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2answers
148 views

What lens is best for a red carpet community event?

I've been asked to take pics of the 2nd annual Youth Film Festival in a tiny town. There are only 4 entrants. I've advised my friend/organizer that I have no experience (I almost always shoot only ...
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0answers
16 views

What would be the benefit of a fast lens for my Sony A6000? [duplicate]

I bought a Sony A6000 recently and with it I bought the kit zoom lens SEL55-210mm F3.5-6.3 and prime SEL16-70mm F4 Zeiss. I mostly do photography during my leisure trips and generally capture ...
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1answer
84 views

What is the main difference between the Nikon 55-200mm VR lens and the newer version the VRII?

Despite the obvious differences, price and weight, what is the main differences between these two lenses? Nikon 55-200mm VR f/4-5.6 - 334g ~€150 Nikon 55-200mm VRII f/4-5.6 - 296g ~€300/350.
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1answer
49 views

How to tell the difference between the Canon 18-135mm and the STM version?

I am looking to buy the Canon 18-135mm IS STM lens off eBay, and want to know if there are any outside visual differences that I can look for to make sure I don't get ripped off and buy the non-STM ...
2
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2answers
134 views

How can I compare 'super-zoom' lenses to make up my mind which one I should buy?

So I am currently looking to buy a 'super zoom' lens to be used along my 35mm for travelling. I have already compiled a number of different suitable lenses within my budget range and focal length. I ...
0
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1answer
74 views

My 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
163 views

Is the Gorillapod sturdy enough for super-zoom lens and long exposure?

I am interested in buying the Gorillapod SLR-Zoom to be used as a travel tripod. My camera is a D3300 together with a 35mm and a super zoom lens (still haven't decided which one to buy, but something ...
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1answer
69 views

How can I fix my samsung wb 750 that I dropped on the pavement?

I dropped my samsung wb 750 on pavement. When I turn it on now the lens zooms to the farthest length and comes back in. I tried using a hair dryer to blow sand particles out but it doesn't work. I ...
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0answers
15 views

possibility of canon lens fitting into a nikon camera (D5200) [duplicate]

Is there a canon lens adapter availabe for nikon cameras? I have a D5200
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0answers
45 views

Does anyone have any information on Canon's VL mount regardng pinout and protocol?

I currently have a canon cl 8-120mm f/1.4-2.1 lens which uses the VL mount. Canon's goal appeared to have been to make this a standard system similar to the Micro Four Thirds system. See ...
1
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1answer
165 views

How do I calculate the maximum aperture at each focal length on a 35-200mm lens

I am looking for the linear maximum aperture of a 35-200mm 3.5/4.5 Nikon manual focus lens. I already know the max & min of the 35 & 200mm it's the 50, 70,105, & 135 that I am interested ...
0
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0answers
73 views

Nikon AF Nikkor 80-200mm 4.5-5.6 D : says “Lens not attached” on my Nikon D5100!

I have D5100 and borrowed a Nikon AF Nikkor 80-200mm 4.5-5.6 D lens from my friend. But after mounting it on my D5100 it says "lens not attached", even though the aperture is set to smallest ...
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2answers
116 views

What is the importance of the back focal length of a lens?

What is the effect and importance of the back focal length of a lens? For instance, if I look at these two lenses by Ricoh, they have the same focal length and aperture, but their back focal lengths ...
5
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6answers
915 views

Can I use old filters from SLR film cameras on newer DSLR cameras?

I have access to a vast collection of old filters from 20-30 years ago (for Canon cameras if it makes any difference). Can I use them on new DSLR cameras? I have searched a lot to find an answer for ...
1
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3answers
85 views

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

I have recently bought 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 additionaly want to buy a lens hood as well. Will I be able to use both ...
1
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2answers
125 views

Can over-turning the focus ring break the lens?

I was trying to get low key shots in pretty dark conditions and had my Nikon D7000's 18-105mm VR kit lens in manual focus, to try to get the subject in focus in very low light. In the process, I kept ...
1
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1answer
135 views

Pictures start in focus then go out of focus?

I was recently shooting some surf after a session with my 7d and Tamron 18-270MM F/3.5-6.3 Di II VC PZD. I started shooting while he was in focus, then as he got to the main part of the maneuver the ...
1
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1answer
54 views

Why does Nikon D3100 makes occasionallly noise and viewfinder shifts when pressing shutter button

A Nikon D3100 occasional makes a quiet ka-chunk noise occasionally, when pressing the shutter button. Also, when re-seating the lens or powering the camera up, it will do the same thing 4-5 times in ...
2
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1answer
64 views

5D Autofocus - disable tracking after lock?

I recently got a 5Dmk3 and it's been a really fun toy so far. I'm coming from a Canon 7D, so I'm trying to adjust to the much more complicated autofocus system. I've read the manual and looked around ...
0
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0answers
37 views

zoom lens for Baseball games [duplicate]

What zoom lens would you recommend for baseball games? I just bought a Canon SL1 and am not sure what lens size would be best. The camera came with the 18-55 zoom lens. I've looked at 55-250 lenses ...
0
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3answers
220 views

85mm fast prime vs 70-200mm 2.8 for indoor fashion studio shoots

Why do people shooting fashion inside a controlled environment (studio, when shooting apertures above f/2.8, like f/8, f/11), seem to prefer a 85mm fast prime versus a 70-200 f/2.8 for half and ...
0
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1answer
148 views

Nikon 50mm 1.8g vs 1.8d? [duplicate]

What are some pros and cons of each? I use a Nikon D600 and am looking for my 50mm. I shoot a lot of video, so a smooth manual control is important to me. Besides that, I am unsure of what exactly I ...
1
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3answers
152 views

How can I get a 12ft wide field of view at 3ft distance?

Is it possible to get 12ft wide image from a 3ft distance? I am a beginner and have very little knowledge on the field of view of cameras. I calculated that a Go Pro would need a lens with 1.5mm ...