Napioa - Wind Origins

Napioa - Wind Origins
by octopus                

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

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)

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
167 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
135 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 ...
153
votes
14answers
79k views

What do all those cryptic number and letter codes in a lens name mean?

Then looking at a lens name there is a lot of acronyms in the name describing it's features (often specific to the manufacturer). Examples, Nikon: Nikon AF-S DX 16-85mm VR f/3.5-5.6G IF-ED Nikon ...
0
votes
1answer
55 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
3k 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?
3
votes
3answers
328 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 ...
3
votes
4answers
270 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?
50
votes
7answers
39k 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 ...
0
votes
3answers
145 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
46 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 ...
0
votes
3answers
126 views

What adapter can I use to fit vintage lenses to a Canon DSLR?

I have a Canon 7D and a very modest budget. I have three lens and am wanting to find an adapter for each to fit on my 7D. Promaster Spectrum 7 28-70mm 1:2.8-4.5 MC ...
0
votes
2answers
117 views

zoom or aperture which one decreases DoF?

When I want to decrease my DoF and have Bokeh in my photos, I always stuck between choosing either opening the aperture or zooming. Should I start zooming or should I decrease the aperture? Edit: ...
9
votes
3answers
776 views

What motor gets used if both lens and camera body have a focus motor?

If both a camera body and lens have motorized autofocus, would one be used over the other or would both work in tandem to speed the focus process along?
18
votes
4answers
12k views

How do camera body motors compare to in-lens motors for focusing?

What is the difference between using a motor on the camera body and the motor built into lenses? Aside from how both compare in terms of speed, what differences would I notice if I use a body with a ...
5
votes
4answers
635 views

Categorization of 14mm lens as rectilinear?

I used the Panasonic Lumix G Vario 14-42mm f/3.5 -5.6 Asph. / MEGA O.I.S. Lens to take a photo from my balcony. Here's the original RAW (ORF). The symptom I am experiencing is that different ...
3
votes
5answers
211 views

How can I take portraits where more DoF appears in front of the subject than behind?

This photo has been processed, of course. More importantly, it seems that DoF is more on the front of the subject than on the rear side. What type of post-processing and lens is suitable for producing ...
0
votes
2answers
66 views

Wide angle lenses that fit a Rebel T3i [duplicate]

Will a Canon EF 28mm f/2.8 IS USM Wide Angle Lens - Fixed work on a Rebel T3i? What does IS UMS mean?
0
votes
0answers
39 views

Nikon error message: “Lens not attached”

My Nikon D3200 shows the message "Lens not attached" when the lens is firmly attached. I've cleaned the contacts and tried different lenses but the problem persists. This problem is intermittent.
0
votes
0answers
80 views

Can't zoom 18-55 mm lens wider than 35 mm – is my lens broken?

I have a Nikon D3200, with a 18-55 mm f/3.5–5.6 lens. I can't use zoom the lens any wider than 35 mm. The lens is just stuck between 35-55mm. I can't use f/3.5 as well because it is only available ...
0
votes
4answers
200 views

Does an APS-C lens label itself with effective or true focal length? [duplicate]

I'm not sure if I've phrased this correctly, but I've just purchased two prime lenses: Nikkor 50mm f1.8/G (FX) Nikkor 35mm f1.8/G (DX) I know that the effective focal length of the 50mm FX lens ...
2
votes
5answers
43k views

So my iPhone 6 camera lens is as wide as my full frame 35mm DSLR lens?

I am trying to understand what is the deal with "full-frame" and what difference it makes, so did a silly test: I sat at my bed and aligned the iPhone 6 camera with the door of the room and took a ...
0
votes
1answer
111 views

How do I change lenses without damaging my camera? [duplicate]

As I have an canon camera in which I even got standard kit lens. Now at present the lens of camera is been not working properly because of not handling it safety, due to which I am not able to get ...
1
vote
2answers
202 views

What lens do I need to shoot this

I had an Olympus UltraZoom SP550 which has a 18x zoom (equivalent to 28-504mm from what i read), which was great until it died on my last trip... So, to replace it, I bought a Nikon D5200 kit that ...
5
votes
2answers
643 views

How to Restore Old Lenses?

I often visit an antique shop that sells gadgets like old cameras, equipment and lenses. I'm particularly interested on buying an old macro lenses from Sigma, Ricoh, and Nikkor. I would expect the ...
0
votes
2answers
137 views

How much have tele-prime lenses improved over the years?

Context I'm considering the Nikon 500mm f4 AIS P lens as a way to get longer reach that's better than my current setup Nikon 300mm f4 AF with 1.4x TC to get birds and related wildlife. I've heard ...
1
vote
0answers
41 views

Autofocus not working on AF-S 35mm 1.8 DX with Nikon D3100

I haven't been using my camera very much over the past few months. The few times I've pulled it out, I noticed that the autofocus doesn't work when I put on my 35mm prime. I tested my 55-200mm and ...
0
votes
0answers
35 views

Which lens for a wedding (group of 60)? [duplicate]

I'm looking for advice : I shoot on both Canon EOS 550D and 70D and possess the Sigma 10-20mm F4-5.6DC/HSM and the Canon EF 24-105mm f4 L. Which one of these would be best suited to taking group ...
10
votes
4answers
353 views

Why does a newer camera get lower score for a specific lens than an older one on dxomark?

I was looking around on DxOMark and found discrepancy in sharpness scores which seems very weird. The lens Olympus M. Zuiko Digital ED 12mm f2.0 has a sharpness score of "10 P-Mpix" when mounted on a ...
4
votes
11answers
1k views

Why would a serious photographer buy a lens slower than f/2.8?

It seems to me that the general idea is that, once you start getting to become a decent photographer and are really moving beyond your kit lenses, you shouldn't be looking at anything slower then ...
0
votes
1answer
85 views

Should I change a 18-55 IS STM kit lens for a EF-S 24/2.8 STM prime?

I have a Canon 700D body with a standard 18-55 IS STM lens. Would I notice any improvements in image quality if I switch from the kit lens to an EF-S 24 mm 2.8 prime? I also have a 50 mm 1.8 STM, and ...
5
votes
1answer
297 views

Can you identify this M42-mount lens?

I found this lens in our attic, in a box. It is fully functional, all the iris and focus rings are turning smoothly, but it doesn't have the informations piece on its front. I tried so hard to find ...
3
votes
3answers
16k views

How do I fix a stuck zoom ring on Nikon 18-55mm AF-S?

I have a Nikon D3100. The zoom ring on the lens that came with the camera is stuck. The lens is a AF-S NIKKOR DX, 18-55mm. Is is broken, or just stuck and is there anything I can do "unstick" it. ...
2
votes
1answer
107 views

Manual lens on analog EOS camera, metering problem. (Samyang 85mm f/1.4 on Canon EOS 650)

I have a Samyang 85mm 1.4 lens that I have used on a Canon 550D (Rebel T2i) and I have loved it. But now I want to use it on an analog camera, the Canon EOS 650. The problem I am having is with the ...
-1
votes
1answer
66 views

What kind of lenses will work on an entry-level Nikon DSLR? [duplicate]

I am total noob at cameras/lenses so I don't know what I am buying. My cousin has asked me to bring 70-300mm or 18-300mm lens for his D3300. Now, I don't know what lens will be compatible with the ...
10
votes
10answers
32k views

Can I shoot a photo with my DSLR without the lens on?

I thought it would be interesting to see what kinds of effects I could get by shooting a photo without any lens on my DSLR. However, when I take the lens off, it tells me that no lens is attached ...
2
votes
1answer
1k views

Is the Panasonic Leica Summilux DG 25mm f/1.4 as good as the name implies?

I’ve got a soft spot for fast, normal lenses, and while I normally shoot with a Pentax DSLR, Panasonic’s Leica DG Summilux 25mm / F1.4 ASPH has had me sneaking drooling glances at Micro ...
0
votes
2answers
93 views

35mm DX prime lense on dx crop sensor(nikon d3300) [duplicate]

I have Nikon D3300 DSLR. I'm confused with 35mm and 50mm prime lenses on FX and DX cameras. Somewhere I read that if a 35mm prime lens is used on a FX camera the focal length is equivalent to around ...
1
vote
1answer
169 views

Will Nikon D lenses work on a Nikon D810 camera?

Can a Nikon "D series" lens work properly and let me use the full potential of a Nikon D810?
1
vote
5answers
225 views

Lens or Filter to Blur Thermal Camera Images

I know this question sounds weird, but I am looking for some kind of lens or filter to blur the images taken by a thermal camera. I don't need to blur a specific part of an image, just a blur ...
1
vote
4answers
627 views

Should I use a 24-105 or a 70-200 lens for photographing a high school marching band?

Ok, I am an amateur photographer and I will start being the marching band photographer for my high school. I will get a Canon 7d soon, but I'm told it has poor low-light capabilities, which is a ...
5
votes
5answers
1k views

How do I choose a lens to photograph the Milky Way?

I'm looking at buying a new lens for some night photography out in rural Australia. I'm in the middle of a national park for the next 6 months, so light pollution isn't an issue, and the skies are too ...
2
votes
2answers
2k views

Will a faster lens, like f/1.4, help get better Milky Way images?

I have a Nikon D7000 and don't know whether my 50mm 1.4 or 17-55m 2.8 lens would be better. I was automatically going to go with the 50mm lens, but then I was reading up on how I can use a longer ...
-1
votes
3answers
288 views

Why don't Canon and Nikon lock out third-party lens makers?

Context Odd question but looking at the market, I see Tamron/Sigma making lens for first-party companies such as Canon, Nikon and Sony. For manual lens such as Zeiss ( for Canon/Nikon) I see that ...
14
votes
4answers
950 views

Could my lens be damaged after being used as burning glass?

During a nice nature trip, sitting at a table with a bottle of wine, somehow we had the ridiculous idea to test a lens as burning glass (which performed quite well). After we went home I started ...
2
votes
2answers
623 views

What is the difference between these 200mm, 70-200mm and 70-300mm lenses?

I've been doing photography for awhile but I don't know a lot about lenses. I'm looking into 200mm(+) lenses (for future reference). I have a few questions about the difference between these lenses. ...
1
vote
1answer
215 views

Why is the lettering on this Nikon 18-105mm engraved in black?

I couldn't guess why it is in black colour. This feels so weird — usually Nikon lenses letters are engraved in gold or red, but this one in black. Could anyone shed light on this? (This is my friend's ...
8
votes
4answers
4k views

What swirly bokeh technique is this and how can I achieve it?

What is the technique used to capture this image? How can the result be achieved? I know that it can be achieved in a digital darkroom but how can I replicate the effect straight out of the camera? ...
35
votes
9answers
33k views

What can a fisheye lens be useful for?

I have a variety of lenses in my camera kit. One that I do not have, and has me curious, is a fisheye lens. I mostly understand what it does: it captures an image with distortion similar to what you ...