Shadowy Daisy

Shadowy Daisy
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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.

learn more… | top users | synonyms (1)

2
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2answers
132 views

How do universal clip-on iPhone lenses work?

So, recently I see a lot of clip-on Universal iPhone lenses like this (aliexpress link). I have a CCTV camera at home. It has a lens which looks like this from m12lenses.com. Can I clamp these iPhone ...
75
votes
11answers
5k views

How much do lens lineups vary across DSLR platforms?

I was reading this question and recalled how often I hear the advice "choose your lenses and then choose the body that matches" in the context of deciding on a camera platform (Nikon/Canon/Pentax/Sony,...
4
votes
4answers
465 views

Does the same focal length on the same camera always result in the same FOV?

I'm confused about whether the same focus length across different lenses on the same camera always produces the same Field of View. Some lenses are advertised as wide-angle and some are not. Is there ...
0
votes
3answers
11k views

Wide Angle Lens recommendation for canon 70D (cropped sensor camera) [closed]

I am interested in landscape and have a 40mm f/2.8 pancake lens but finding it does not capture enough and would like to purchase a Wide Angle lens. I am find ing the prices for the Canons too much ...
0
votes
4answers
8k views

What can cause black corners in an image?

There are completely black corners in some of my photos. What can cause it? I have a full-frame Canon 5D Mk II and had the problem with my 24-105 Canon lens recently and have experienced it with my ...
0
votes
1answer
889 views

Below which focal length are lenses considered to be wide angle?

Focal length is the only factor that decides whether a lens is described as being normal or wide angle. Below which focal length are lenses considered to be wide angle? Is this focal length the same ...
7
votes
2answers
2k views

Are all DSLR lenses made of glass?

This question is about lenses to "big" DSLRs, not system or compact cameras with interchangeable lens. Are all lenses made of glass in DSLR? And if not, is there a notable difference between: kit ...
-1
votes
3answers
171 views

Will L glass lenses compared to what I have upgrade my overall Image Quality?

I currently shoot with a Canon T5i and plan on upgrading to either a 6D or 7D Mark II (another topic). To go with my new body, I want a new lens. I currently have the following: 10-18mm f4.5-5.6 IS ...
2
votes
1answer
130 views

Lens cleaner got into my camera lens

I used some glass lens cleaner spray on my pretty old (but still good) Samsung PL20 earlier this morning. I just turned it on to take a photo, and found this... It looks like somehow some of the ...
1
vote
0answers
54 views

Canon vs Sigma vs Tamron lenses? [duplicate]

Is there a significant quality difference between lenses made by Canon and those made by Sigma or Tamron? Specifically, I have been looking at the EF 300mm f/2.8L IS II USM: but if the Sigma or ...
0
votes
5answers
88 views

Nikon D3200 wide angle lens [closed]

For the Nikon D3200. As far as wide angle lenses go the prices seem to range from the $20 bracket on up to very expensive. I'm sure the higher end ones have a lot of good stuff going for them but if I ...
1
vote
3answers
673 views

What does a megapixel designation on a lens actually mean?

I know that in a CMOS sensor the megapixels give you an idea of how many pixels are actually there to capture the light. In terms of a lens however, I cannot find any relation between the megapixels ...
0
votes
3answers
164 views

Is my lens good for a tiger safari? [closed]

I have Nikon D5200 and Tamron SP AF 70-300mm F/4-5.6 Di VC. Is this lens good enough to cover shots?
1
vote
3answers
442 views

What is the sweet spot of the Canon's 18-55mm IS STM lens?

I'm plannning to photograph negative film like this. And I would like to know what would be the sweet spot of my lens to achieve best sharpness possible, what f stop and at what mm I should be ...
2
votes
1answer
180 views

Zoom lens “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 ...
1
vote
1answer
40 views

Which lenses can I use on my Sony Alpha 100? [duplicate]

I have a Sony Alpha 100 and I've bought an adapter M42 for it. I'd like to know, which lenses can I use on my Sony?
0
votes
3answers
73 views

Alternative lenses for 450d basic 18-55mm lens [duplicate]

I have Canon EOS 450d camera that I bought about 7 years ago and till now I have shot for about 15k photos. Lately appeared problems taking shots and when I pushed the button, nothing happened. I ...
2
votes
4answers
330 views

How does a 16-300mm f/3.5-6.3 lens differ from a 50mm f/1.8? [duplicate]

I have a Nikon camera. I received a Tamron 16-300 mm f/3.5-6.3 lens and a AF-S Nikkor 50 mm f/1.8G for Christmas. Do I need both? How do they differ in picture taking?
1
vote
2answers
281 views

Does Apple make its own lenses for iPhone cameras?

Does Apple make its own lenses for iPhone cameras? Or, does it at least design them? If not, does it source from a lens maker like Zeiss, or a camera maker like Canon?
0
votes
1answer
106 views

Lens Focus Issues

I have been having focus issues with a Canon EF 24-70mm f/4L IS USM lens. It seems that it is unable to focus at infinity (or close to it)for most of the range between the wide and telephoto ends ...
1
vote
1answer
180 views

Difference between Canon 18-135mm lenses

What is the difference between these two Canon lenses? Canon EF-S 18-135mm f/3.5-5.6 IS STM Canon EF-S 18-135mm f/3.5-5.6 IS
3
votes
2answers
4k views

Recommended wildlife photography lenses for Nikon DX bodies with no AF motor

I have some SLR experience but have mostly been using a point-and-shoot in the last few years. Now I would like to jump back into the digital SLR world specifically to do wildlife photography (mostly ...
2
votes
3answers
594 views

Can I fit a Minolta 35mm lens to a Micro 4third mount? [duplicate]

I have old 35mm lenses for my old Minolta camera. I'm going back to photography and getting an Olympus PEN E-PL1 (micro four thirds mount). Can I use my old lenses on such a box or do they become ...
2
votes
2answers
319 views

My lens's focus ring can be twisted past infinity and the close-focus stops without ever hitting a hard stop— is it defective?

I have a AF-S Nikkor 50mm 1:1.8 G lens which I use for my Nikon D3100 and D3300 cameras. Today, I noticed that the focus ring can be twisted past the infinity and 0.45m focus stops. It can be turned ...
1
vote
1answer
93 views

Sigma 18-35mm f/1.8 rattling sound

Just bought it used and when I shake it it makes a rattling sound. I know lenses with stabilization usually make that sound but this lens hasn't got that. So, is it normal or is something wrong? It ...
3
votes
2answers
143 views

How do I choose a wide angle lens for my 700D?

I have Canon EOS 700D and want to buy a wide-angle lens. So far I was really impressed by the 10mm ones, however the ones with at least decent aperture comes without Image Stabilization. I also looked ...
3
votes
1answer
72 views

Can I use an M42 mount lens on a Minolta AF body? [duplicate]

I have an M42 mount Helios lens that I want to use on a Minolta AF mount body. I've found this adapter online but wanted to verify it is the correct adapter before I purchased it. The lens is a ...
2
votes
4answers
506 views

Does a full frame lens require more light on a crop body?

When using a full frame lens on a crop body, does the lens require more light? If I use an f/2.8 full frame lens on a crop body, does it become an f/4.2 (*1.5)?
1
vote
2answers
140 views

I've chosen to do abstract architectural shots for a portfolio: what type of lens should I buy?

I'm doing a final project at school and I've chosen to do abstract architectural shots, like the works of Andreas Gursky and Carlo Cafferini. I've got a Canon EOS 1100D and would like to buy a lens ...
2
votes
2answers
164 views

Why doesn't autofocus work after using manual focus for a while on my Nikon DSLR?

I bought a Nikon D3200 DSLR with 18-55 and 70-200mm lens. I was taking photos for week in autofocus mode, where I have to press shutter button halfway to focus. And then I switched to manual, where I ...
6
votes
5answers
5k views

Is an EF 50mm f/1.4 the same as 50mm with an EF-S lens on a Canon 550D?

I have a Canon 550D with the standard 18-55mm kit lens. The 550D has a 1.6× crop factor. My question is very simple but whenever I've asked before (Yahoo Answers) I always got overly-complicated ...
1
vote
4answers
410 views

How can I learn about the differences between types of lenses, so I can choose the best lens for my purpose?

I'm learning photography and all its elements. Probably this question is really stupid, but I have to ask. I'm not dealing well when the question is equipment and one of the reasons I know this is ...
15
votes
6answers
33k views

If I have a 18-55mm lens, is there a point in buying a 35mm prime lens?

I have the Nikon kit lens that came with a D5100 — the kit lens is 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom. I was thinking of getting a fast lens and I am looking to buy the Nikon 35mm f/1.8G DX. ...
3
votes
2answers
123 views

Can I use a plano convex cylindrical lens, instead of a fisheye, to shoot 360°x180° panos with my phone?

Is it possible to use a plano convex cylindrical lens (like this) instead of a fisheye lens to make a panorama photo? The idea is that the lens would give you 180° vertical and by turning the camera ...
12
votes
3answers
1k views

How do zoom lenses restrict their widest aperture at the telephoto end?

Does the aperture ring lock the apertures beyond, say 5.6 at length lens's telephoto end? Does the lens introduce an obstacle to the aperture ring so the lens can't be opened anymore beyond the ...
34
votes
5answers
7k views

How do constant aperture zoom lenses work?

Cheaper zoom lenses usually are faster at the wide end and slower at the long end (for example, the $150 Canon EF-S 18-55mm f/3.5-5.6). More expensive constant-aperture zoom lenses have the same ...
5
votes
6answers
5k views

Between Nikon 18-55mm II and 50mm f/1.8, which suits my needs better?

I am an absolute beginner in serious photography. I'm a position to get a Nikon D70 body for $100 or so. I've been researching lenses and I'm debating if I should get the one that originally came ...
6
votes
1answer
240 views

What prevents a f/1.8, 24 mm - 70 mm or similar range zoom lens from being made? [duplicate]

I see that it is common to have professional grade lenses such as 24-70mm lenses made at f/2.8. After using a 50mm/1.8, I was wondering what would prevent a more versatile zoom lens to be made that ...
15
votes
5answers
3k views

What camera & lens combination(s) are ideal for animal and bird photography?

I am interested about shooting animals (including, but not limited to, birds and in general animals that can move fast). So far, I would say I know the basic concepts of camera but I have never ...
6
votes
5answers
716 views

Will I regret buying an older lens that doesn't autofocus or have image stabilization with my Nikon D5000?

I am planning to buy a Nikon Normal AF Nikkor 50mm f/1.8D Autofocus Lens. It doesn't autofocus on the D5000 but for the price, I think it's a good choice of lens for portrait. What do you think? ...
8
votes
3answers
169 views

How do I activate the shutter on a Schneider Kreuznach 135/3.5 Xenotar for Linhof?

I can not get the shutter of the Schneider Kreuznach 135/3.5 Xenotar to open. I tried to explain what I know in this picutre: Anyone any idea? I'm afraid I don't have a manual for the lens and ...
4
votes
5answers
486 views

What focal length is used in photos that both model is zoomed in and the background is open

It is easier to explain my question just by a sample photo from Lyndsey Adler: See the models are so big in the photo and still that big RV is also in the image. What focal length do I need for a ...
0
votes
5answers
5k views

What pancake lenses are available for Sony NEX camera?

As a DSLR owner, I am currently looking for a compact interchangeable lens camera and I currently hesitate in buying the Sony NEX-5N or the Panasonic GX1. I realize the lens options for the Micro ...
1
vote
0answers
156 views

What can I do if everything with my 55-200mm macro lens is suddenly entirely blurry and the camera won't take pictures?

I have a brand new Nikon D5500. The 55-200mm macro lens is not working properly as far as I can tell. It was acting funny the other day when I was trying to take pictures. The pictures were coming ...
6
votes
4answers
501 views

How is actual focal length greater than focal range of lens?

This image (not shot by me) is shot using 70-300mm f/4.5-5.6 lens, but the EXIF shows the focal length to be 302 mm. How is it possible to be shot at a focal length (302 mm) greater than the ...
16
votes
2answers
628 views

Are there differences between cheap and expensive microfiber lens cloths?

You can find microfiber lens-cleaning cloths on the web for less than $2, or pay $6 for a "Canon" microfiber cloth (or buy at a retail camera store for $15-20). Are all such cloths pretty much the ...
1
vote
1answer
71 views

What kind of microfibre cloth is the lens-wipe? [closed]

I wish to know what exactly is the microfibre cloth used to wipe lenses. How does one describe this material?
5
votes
6answers
464 views

What do the mm numbers on lenses mean?

I'm confused about lenses and numbers. Why are some lenses ex. 50mm-300mm Different sizes? Some lenses with the same mm numbers are huge and some are small... What's the difference? Also the prices ...
13
votes
4answers
47k 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?
0
votes
3answers
183 views

Is autofocus important for ultra wide angle lenses?

I want to know if autofocus is important for ultra wide angle lenses, for casual users. I mean, users like my mom. I don't mind about manual focusing, but I suspect that wide angle lenses will focus ...