Before the rush

Before the rush
by evan-pak

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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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2
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3answers
141 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
92 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
48 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
76 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
333 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
98 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
691 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
141 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
183 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
221 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
113 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
40 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
61 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
206 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
142 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
156 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 ...
36
votes
4answers
64k 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
164 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
372 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
162 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
212 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
756 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
157 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
361 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
81 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
181 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, ...
0
votes
0answers
81 views

Safest way to transport a teleprime len(s) during backpacking and flying

Context So I have a Nikon 300mm f4 AF and may consider it's older but larger cousins the Nikon 400mm f3.5 or Nikon 600mm f5.6. I have a special pouch for the 300mm and it can easily fit in my ...
0
votes
3answers
306 views

Which lens/focal length offers the widest viewing angle without too noticable distortion/fish-eye-effect?

I am looking for a lens for my Sony Alpha 77 (APS-C), which gets me an as wide as possible viewing angle, but I also hate that fisheye effect one gets from using too low of a focal length. About where ...
3
votes
2answers
2k views

Samyang 14mm or Rokinon 8mm fisheye? Which is better for landscapes?

My camera body is a Canon 550D/T2i. Which one would be better for landscapes and why?
4
votes
2answers
1k views

Does wide angle equivalent in crop sensor skew image?

I see many posts on both this forum and elsewhere the discuss the use of a wide angle on a crop sensor. For example, they discuss how at 14mm lens is 14mm on a 35mm film or full frame, but with a 1....
12
votes
2answers
1k views

Does a crop sensor affect closest focusing distance? Why does it not affect focal length in EXIF data?

Since I am considering to buy the Nikkor 105mm micro VR, I wondered if the cropped sensor does affect the closest focusing distance of 0.31m? Thinking about this, the following additional (and ...
6
votes
2answers
184 views

How do lenses control “projection”?

How is a fisheye lens made differently from a normal ortholinear projection lens? How are real lenses acting differently from the ideal "thin lens" or pinhole, in terms of how the 3D scene in front ...
1
vote
5answers
165 views

Street photography with Canon 1200D

Recently I bought Canon 1200D with 18-55mm and 55-250mm lenses. I am interested in street photography. I would like to know which lens I should use. I don't want to buy a new one right now (maybe ...
0
votes
1answer
65 views

How to open a plastic enclosed lens assembly for repair

I have a lens assembly from a projector (150mm Kodak Retinar) which is fully enclosed in plastic. Apparently the lens fell down at one point and someone put it back together. However, that person ...
7
votes
5answers
4k views

Are third-party alternatives to the Canon 70-200 f/2.8 worth the price savings?

Has anyone used the 3rd party 70-200 lenses? Are you happy with the quality, or do you wish you had saved up for longer and got the Canon?
4
votes
3answers
351 views

What type of lens is best suited for adventure photography?

OK, so I really don't want to sound like an neophyte asking about which lens to buy, but I've done a fair amount of research and I'm really unsure which is the best route to take. I have a D5200 and I'...
3
votes
4answers
273 views

What is the useful range of apertures for lenses?

Assuming for example a lens has a range of f/1.8 - f/22, for an ideal picture which apertures should I avoid, and for what specific reasons? Now if the answer is "do not use the first two and the last ...
4
votes
2answers
2k views

Why are there no full-frame lenses with leaf shutters?

I see that many medium format lenses are made with leaf shutters, which allow much faster flash syncing speeds, so why doesn't anyone put them in FF lenses?
51
votes
7answers
42k views

Why do pro photographers use huge lenses to take portrait shots?

Every time I see a photoshoot video on youtube, the photographers have the biggest lenses I have ever seen in my life to shoot portraits or full-body shots. For example, the Nikon 70-200 f/2.8 ...or ...
1
vote
3answers
186 views

Would an EF 24-105L or a 70-200 f/4L be a better travel choice?

I currently have a Canon 7D Mark II. I have a budget where I am looking at getting the Canon EF 24-105mm f/4L IS USM or the Canon EF 70-200mm f/4L IS USM. I am undecided on which one to get. I can see ...
0
votes
0answers
47 views

Undecided for my next lens! [duplicate]

I currently have a canon 7D mark ii. I have a budget where I will be looking to get the canon 24-105 f4 L IS or the canon 70-200mm f4 L IS. I am pretty undecided which one to get, I can see me using ...