Spring 2012

Spring 2012
by ani

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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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16
votes
11answers
22k views

What's wrong with the Canon EF-S 15-85mm?

Maybe this question should be on meta. I've just come across the Canon EF-S 15-85mm. It's been available since 2009. I'm just wondering why it has never been mentioned on photo_se_com or any of the ...
19
votes
7answers
4k views

Can a smaller sensor's “crop factor” be used to calculate the exact increase in depth of field?

If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame camera,...
4
votes
3answers
171 views

Mercury transit at 200mm + UV + ND?

Will I able to see Mercury transit with a f/4-5.6 200mm lens (on APS-C)? I do not have solar filter and I don't have time to buy as transit will be on 9th May 2016. I'm wondering if I can use my UV ...
1
vote
2answers
130 views

How can I modify my NIkon D5500 so I can make a vintage lens auto focus?

I just bought a Nikon D5500 with 35mm f1.8. I also have a Nikkor 70-210mm AF (that doesn't focus automatically). I learned that using a TC-16A AF Teleconverter 1.6X might help but i was informed that ...
20
votes
4answers
3k views

Why buy prime super telephoto lenses instead of zoom super telephoto lenses?

35mm and 50mm primes make perfect sense to me: sharper images, simple operation, and framing can usually be handled by taking a few steps forwards and backwards. I'm struggling to see how one would ...
0
votes
3answers
106 views

Canon 7d & 24-70 ii - can't get a crisp or well exposed shot [duplicate]

As the title says, I'm shooting a canon 7d (mi) with the newly acquired Canon L 24-70 ii. I can't tell if I've suddenly forgotten how to shoot, or if both Green and Av mode are messing with me. I've ...
1
vote
3answers
84 views

Options for a wide angle lens for Nikon D5000? [duplicate]

I'm not sure if all Nikon lenses have identical connectors across all models (amateur here), so I'm sorry if it's a silly question. I have a D5000 and I'm looking to do more night time photography ...
2
votes
2answers
392 views

Using Rokinon 14mm or Tamaron 17-50mm as a general purpose lens (APS-C)?

I dropped my Sigma 18-250mm in the river and now looking for ways to replace it. I am using T4i, and have, Canon 50mm f/1.8 Canon 75-300 (Garbage w/o IS :/) I use the camera mainly on my trips to ...
0
votes
1answer
67 views

Are there any hardshell covers / protectors for lenses?

I'm a concert photographer, and I tend to end up in mosh pits quite a bit. I've mastered the art of shielding my camera from fists and beers, but I have been starting to see some wear and tear. Are ...
24
votes
8answers
15k views

Why there is no Canon 50mm *IS* lens?

Canon's 50mm prime lenses are all non-IS (Image Stabilization) for some reason. Considering the popularity of these range primes, shouldn't Canon be interested in shipping a new, optically improved IS ...
-1
votes
2answers
115 views

Is there anything I should be aware of if I'm considering the Nikon AF 70-300mm F4-5.6 ED D lens?

I recently bought the Nikon D5300 and currently have the 18-55mm kit lens. I am worried that with this lens I won't be able to take a variety of good photographs--not only landscapes. So I have been ...
1
vote
2answers
196 views

Can I remove the lens on a Minolta Hi Matic 9 to add a zoom lens?

I have a Minolta Hi Matic 9, made in 1956. Can the lens be removed in order to utilize a zoom lens.If so, which manufacturers would be possible choices?
-4
votes
1answer
33 views

Vivitar 3000S Fully manual SLR [closed]

What's the general consensus regarding quality for this initially-about-$280 camera? Can I get one almost never used for $25? Primary use will be short medium and long range wildlife shots.
8
votes
8answers
7k views

How water-resistant are Nikon's weather sealed lenses?

I'm thinking about buying a Nikon D7000 and I have found out that it's weather sealed (sealed to shoot in rain). So my questions are: Does it really work in heavy rain or is it only for a few water ...
1
vote
3answers
165 views

What does it mean when 'HD' is printed on a lens? [duplicate]

Do the two letters mean High Definition? Are they called HD lenses? How do they differ from normal (SD?) lenses? Please include a plenty of details in your answer..
2
votes
3answers
140 views

Best lens to photograph a large flat object

I need to accurately photograph mood boards. These are large (4x8 feet, 120x240 cm in my case) white or black boards with photographs, material swatches, pantone swatches pinned to them. The goal is ...
0
votes
1answer
82 views

Affordable lenses for nightscape photography (nikon d5300)? [duplicate]

I just bought my first DSLR camera Nikon D5300 and currently I only have the kit lenses. I am looking to get some new ones soon to use them to take pictures of the moon and maybe even the stars. As ...
2
votes
3answers
1k 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 ...
7
votes
3answers
6k views

Which Zeiss lenses are actually made in Germany?

Recently, I used a Zeiss Makro-Planar T* 2/100 ZE only to find a big "Made in Japan" marking on it. Which of their lenses are made in Germany, and does it matter if it's made there vs. Japan?
0
votes
1answer
46 views

Canon 1200D kit lenses vs. XSi kit lenses. Which should I keep?

I recently purchased a Canon 1200D kit in the UK (from Dixon Travel). I also have an older Canon Rebel XSi kit with similar lenses (purchased in the USA, around 6-7 years ago). I am trying to ...
0
votes
1answer
60 views

Can I use adapters to mount Samyang lenses to my Nikon body?

I recently got two Samyang lenses at a second-hand store, so I don't have any boxes or documentation with them. The lenses I recently got are: Samyang AF lens 70-210mm 1:40-5.6, No. 846209 Samyang ...
0
votes
1answer
50 views

Is there a list of lenses commonly considered “significant” for each mount? [closed]

I'm in the process of installing a focusing screen on my Pentax and, as it will help me with manual focus, I was thinking it could help me using lenses for other mounts ('cause often the mount's ...
1
vote
1answer
329 views

Where to get replacement black sticker for the front of a lens?

On a recent trip the filter threads came loose on my Nikon 18-200, and some of the screws that held it in place where caught in the black sticker that covers them. I peeled off the sticker, and ...
0
votes
1answer
91 views

Why is my Tamron 70-300mm lens limited to DX framing on Nikon D750?

I'm trying all of my lenses on my newly acquired D750. Among the lenses there is a Tamron 70-300 LD Di zoom lens. Everything works as expected, except one thing: the D750 limits the frame-size to DX ...
3
votes
6answers
680 views

Which telephoto lens will be best for photographing bears in Alaska?

I have recently inherited some lenses from my granddad and am going on a trip to Alaska this summer. I want to take one general purpose lense for mountains and close things and one telephoto for ...
2
votes
1answer
139 views

How to obtain 180° FOV and little optical errors?

I'm thinking about building an all-sky camera, i.e. an automated camera that points straight up to the zenith and that captures the entire sky down to the horizon. The idea is to capture celestial ...
3
votes
2answers
166 views

Circular Polarizing filter in different lenses. Whether to use adapters or buy new filters?

I have the following lenses Canon 18-55 (filter ring size 58mm) Canon 55-250 (filter ring size 58mm) Sigma 35mm (filter ring size 67mm) Canon 10-22 (filter ring size 77mm) Canon 50mm (filter ring size ...
1
vote
0answers
64 views

Difference of auto-focus motor?

What is the difference of ultrasonic motor, stepper motor, and electromagnetic drive? Which one of these are lens-based or screwdrive? What are the advantages of lens-based servo over screwdrive and ...
0
votes
1answer
151 views

Focus issues in a Nikon 24-70 f/2.8 lens

I have a Nikon 24-70mm f/2.8 (without VR) and the pictures taken with it are not sharp and crisp as I think they should be. I use it with a Nikon D7200 that works perfectly with a Nikon 70-200mm f/2.8 ...
-2
votes
3answers
107 views

What are all the types of lenses? [closed]

I see different types of lens in the market like prime, zoom, telephoto and macro. I'm not sure how many such types really exists and the functions/features of each. Can someone share an explanation ...
0
votes
1answer
38 views

How to repair/clean old lens? [closed]

There is an old Sigma lens for Nikon (about 20 years old) that gives a blurred image when viewed through. I don't find any smudges or spills on the surface of the lens or on the mirror. Why is this ...
0
votes
1answer
60 views

Build of SLR lens vs point-and-shoot lens [duplicate]

There are point-and-shoot cameras that offer large range of angle of view. For example, Nikon P900 with 24mm-2000mm. How such lenses exist only in point-and-shoot and too at a very low price? Why ...
-3
votes
1answer
84 views

Can't decide which lens to get - wide angle vs 18-135mm IS STM [closed]

I can't decide whether I should get 18-135mm IS STM or some wide angle lens, which would cost approximately the same amount of money. I own 18-55mm IS STM and 75-300mm USM. I use Canon EOS 100D. What ...
3
votes
3answers
199 views

How to photograph small aircraft interior?

I want to make a poster. Can you give some tips for getting a great shot of my aircraft instrument panel? How to filter it, light it, reduce reflections and glare from glass bezels? I have a Nikon ...
0
votes
3answers
120 views

21mm + 28mm combination for backpacking purposes, is it too close? [closed]

I have been doing a lot of backpacking recently, and the more I do, the more I feel the need to carry more focal lengths. One problem is that backpacking is never compatible with carrying more than a ...
1
vote
2answers
130 views

Suggestions for supporting a heavy lens?

I have just returned to photography after several years in the wilderness, and as such I have invested in some decent lenses straight off the bat this time round. My main telephoto lens has ended up ...
35
votes
4answers
63k views

What is back-focusing?

What is back-focusing? Is it something I need to be worried about, or can I just live with it? How can I tell if my camera/lens is sufferring from it?
0
votes
2answers
122 views

What is a good street photography lens for Nikon D750? [duplicate]

I've been using a 50mm ƒ/1.8 on my Nikon D750 for some months now, and I'm looking to upgrade the lens for a new experience. Which lens should I get next? I'm wanting to do street photography, just ...
16
votes
10answers
36k views

Which prime lens for Pentax APS-C?

My girlfriend is buying a Pentax K-5 (I already have a Pentax DSLR so we thought it made sense for us to be able to share lenses), and she's not sure about which lens to get with it, so I've been ...
1
vote
3answers
357 views

Old Sigma 18mm lens causes Err 01 on Canon DSLR

I've bought a Sigma 18MM 3.5F Ø72mm Autofocus for a Canon SLR. The thing is that I've got a Canon 40D so I made a mistake I think. The lens only works the aperture is set to f/3.5; any other aperture ...
2
votes
2answers
155 views

Canon EF-S 55-250mm f/4-5.6 IS II causes Err 01 only when zoomed beyond 135mm

I am getting the following error with my EF-S 55-250mm f/4-5.6 IS II lens only when I zoom it beyond 135mm: Err 01 Communications between the camera and lens is faulty. Clean the lens ...
0
votes
3answers
211 views

Why are crop lenses indicated with focal lengths they don't have [duplicate]

If we will use crop lenses only on crop bodies, why do we all crop lenses for example "10mm" when they are actually "16mm" (with a crop factor of 1.6 in this case)? Edit: I am familiar with the ...
6
votes
3answers
723 views

Since it's not “focal length”, what is the term for the distance at which things are in focus?

I was under the impression that the “focal length” of a lens is the distance at which stuff appears in-focus. (E.g., perhaps I set the camera so that objects 3 meters away appear sharp, ...
-3
votes
2answers
142 views

What lens should a traveller buy? [closed]

I am a traveller. I like taking walking tours and clicking pictures of people in the street. Once i developed a passion for photography, New York was the first place in visited. I used a 35 mm Nikon ...
1
vote
1answer
135 views

Sigma 18-35 f/1.8 poor image quality

I recently bought for my D3300 two new lens. The Nikon 50mm f/1.8 and Sigma 18-35mm f/1.8 Art. As I expected, due to specifications and measurements in DXOMark, the 50mm lens is awesome. A lot more ...
23
votes
6answers
3k views

Is there a difference between taking a far shot on a 50mm lens and a close shot on a 35mm lens?

I am looking for a prime lens to pick up, and I'm wondering if there is any difference between 35mm and 50mm in terms of the end product if I just stand back more with the 50mm. I use the Sony a6000 ...
11
votes
4answers
2k views

Are there any Canon EF-S prime lenses or tele-zooms?

Canon is supposed to have introduced the EF-S system for the APS-C cameras to make smaller\lighter lenses and keep the costs low. However, most of their EF-S lenses are general purpose zooms in the ...
2
votes
1answer
358 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 ...
1
vote
3answers
77 views

When to use exposure delay?

I recently found an option "Exposure delay" to minimize vibration. But is it necessary to use when you have VR on the lens? And does it do anything "extra/meaningful" by using both the VR and Exposure ...
0
votes
2answers
173 views

What kind of lens defect is this spot on my lens?

I just bought a Xiaoyi (a cheap GoPro style POV camera made by Xiaomi), and after removing the protective lens sticker I found the lens to have a spot on/in it. It's either an air bubble or fungus, ...