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A fisheye lens is an ultrawide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. Much like that of looking through a fish bowl.

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3answers
103 views

Which lens/focal length offers the widest viewing angle without too noticable distorions/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
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2answers
82 views

Why doesn't the GoPro automatically correct for the fisheye distortion?

Automatic correction of various lens distortions is possible through specialized software that takes a few camera parameters and produces an output image free of distortion. Why don't most cameras do ...
1
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2answers
131 views

Correct a fisheyed picture using Hugin

I've got a Olympus Body Cap 9mm fisheye lens for my Panasonic DMC-GM1 camera. I was told to use Hugin to correct the fisheyed pictures taken with that lens. When I import my pictures into Hugin, it ...
4
votes
3answers
751 views

Why do circular fish eye lenses create circular images?

I'm trying to understand the physics of circular fish eye lenses. As far as I can see circular fish eye lenses create an circular image because the area of the sensor is larger than the projected ...
1
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0answers
46 views

Samyang AE 8 F3.5 CS II fish-eye with SFH-14 filter holder

Is there any chance to work together lens and filter holder: - Samyang AE 8 F3.5 CS II fish-eye - Samyang SFH-14?
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1answer
71 views

Is there a budget fish-eye for Pentax Q system?

I currently use a Pentax Q camera with the standard lens and I was wondering if anyone knows of a budget fish-eye lens that will fit the Q. I know Pentax does an official fish-eye lens but it's around ...
1
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3answers
150 views

Will a Nikon lens work on a Sony compact camera?

I got a Sony camera for Christmas. Lately, I've been looking at getting a fisheye lens. I really want to buy one sooner or later. The problem is the price. I found a fair price on a fisheye lens ...
1
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1answer
175 views

Why doesn't my fisheye adapter gives fisheye distortion on my APS-C DSLR?

I'm new to photography and I have questions about fisheye distortion adapters. I bought a Spiratone/Soligor/Kenko Fisheye lens adapter for my lens, because I didn't want to spent a lot just to try ...
9
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1answer
167 views

Is the focus plane of a fisheye lens inherently curved?

After shooting of a fisheye lens earlier this week, I noticed that what is in focus does not seem to lie on a flat plane as it would for a rectilinear lens. Now, I am aware that lenses usually exhibit ...
0
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1answer
68 views

Should a fisheye converter be sharp when I look through it directly?

I bought a fisheye converter some days ago. Now, I am unsure if such a converter should create a clear image if I look with my eye straight through it. I found a video on youtube with the hint that ...
0
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5answers
756 views

How do I choose which low-cost fisheye lens is right for me?

Background: I'm an amateur photographer who wants to start taking pictures with a fisheye lens, my gear is a Nikon DX D5100. I would like to buy a fisheye lens, I know the Nikon 10.5mm f/2.8G ED AF ...
2
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1answer
220 views

Can defished fisheye images have a larger FOV than rectilinear wide angle lenses?

I am trying to create a DIY wide angle webcam with the goal of maximizing my horizontal and vertical fov. I'm thinking that I need to use fisheye filters and then defish the video afterwards. Is this ...
8
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1answer
673 views

Is there a command line tool in Linux to remove fisheye effect?

I have a gopro hero 3 and I use it to make timelapses on linux. The problem is that I don't like the fisheye effect that its lens produces. Is there any Linux tool that removes that? I am especially ...
1
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4answers
258 views

How to capture globe-shaped photograph?

I am a beginner photographer. How to capture this kind of photograph. Any technique?
3
votes
2answers
365 views

Is lens focal length specified considering the effect of barrel distortion on field of view?

Given a NIKON 14mm f/2.8D ED AF Ultra Wide-Angle Nikkor Lens on a full-frame sensor, in theory the field of view is HFOV: 104° x VFOV: 81°. However this lens exhibits noticeable barrel distortion ...
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2answers
924 views

Extreme Wide-angle / affordable fisheye lens for Canon T2i

I'm looking for an extreme wide-angle/fisheye lens for my canon t2i, but am not sure what to get. I've heard the sigma 8mm is pretty good an obviously the canon 8-15mm f4 L as well, but that over a ...
4
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1answer
912 views

Defish GoPro images consistently

I am looking into using a GoPro camera for sail curvature measurements. For this the distorted fish-eye image needs to be transformed into a rectilinear image consistently. I know solutions exist ...
0
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2answers
306 views

Cheap panoramic setup

I'm looking for a cheap panoramic 360x180 (approx. don't mind the "feet" as long as it's close) setup with decent resolution. I weighed my options and thought up the following: cellphone with ...
6
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1answer
1k views

What's the best fish eye lens money can buy for canon full frame body?

I'm looking for a fish eye lens to use with my 5d. The alternatives I can see are canon 8-15L f/4 and canon 15 f/2.8. Canon 15mm is a prime and it has a faster aperture, while 8-15 is an L lens. ...
3
votes
3answers
715 views

How does the Lensbaby Scout perform as a cheap fisheye lens?

I'm interested in the Lensbaby Scout since it seems like a cheap fish-eye option, but I am unsure how it performs. What about the lens's quality (build quality, image quality, and optical quality)?. ...
5
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3answers
2k views

Why shave a cropped-frame fisheye lens instead of buying a full-frame one?

Recently I found people shaving the lens hood off their Nikkor 10.5mm Fisheye which is a DX lens to use it on a full-frame Nikon DSLR. The result is a wider field-of-view but not even completely ...
3
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3answers
2k views

Are there any free or better alternatives to Fisheye-Hemi?

I've been tempted to get a fisheye lens (The Nikon 10.5 DX specifically), and have seen the Fisheye-Hemi plugin for "normalizing" fisheye images. Does anyone have experience of using the plugin or ...
6
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4answers
2k views

How would one use filters with the “bulb”-like shape front element lenses?

I am toying with the idea of picking up either the Samyang/Rokinon 14mm f/2.8 IF ED UMC or the 8mm f/3.5 Aspherical Fisheye lens. These lenses have a built-in petal-shape hood and a "bulb-like" front ...
5
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3answers
445 views

What is the proper exif tag to mark a lens as a fisheye?

I'm shooting panoramas with a manual 8mm fisheye lens on my Canon 60D DSLR (APS-C, 1.6x crop factor). Since the camera cannot talk to the lens, the exif data in the pictures is all wrong. I know how ...
8
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4answers
2k views

What software should I use for converting fisheye photos to normal rectilinear photos?

Can you recommand me a software for doing this job? I shoot using Sigma 8mm lens and I would like to be able to obtain a normal image out of that. The camera is canon 550D.
10
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4answers
2k views

How wide can a lens be before it begins to produce distortion?

Some lenses will produce distortion near a photo's edges (lines that should be straight begin to curve). Fisheye lenses definitely do this, and some ultra-wide lenses will do this too. I like wide ...
1
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2answers
570 views

What are the best fisheye lenses one can still buy that are full frame on 35mm film?

The vast bulk of fisheye lenses produced now are targeted at digital image sensors and so they aren't full frame on 35mm film. What are the best fisheye lenses that one can still buy reliably that are ...
10
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1answer
411 views

Can anyone identify this lens?

I read once, in a book, about a lens that was an "inverse fisheye". Basically a hemispherical mirror mounted at one end of a glass tube. I can't remember what it was called, nor can I find any ...
2
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7answers
1k views

What lens should i buy for my vacation?

I am going on a cruise to Greece and Italy this summer, I really wanted to buy a new Canon lens for my t2i but i am confused whether to buy the 17-40 f/4.0 or the 15mm 2.8 fisheye. Any help?
17
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10answers
4k views

Why don't more people use fisheye lenses as a cheap wide angle lens?

From my understanding, a fisheye lens usually has a coverage of 180 degrees or close to it. Given the extreme coverage and the availability of software that can turn fisheye images back to a ...
5
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2answers
1k views

wide angle and macro lens converter or adapter

I'm new to the world of photography and also have a pretty tight budget, so I'm interested if anyone has tried using a wide angle + macro lens converter/adaptor such as this (Forum discussion about ...
5
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2answers
431 views

Is it worth buying cheap lens attachments for my camera?

I'm considering buying a fisheye/wide-angle modifier. The brand-name modifier costs around £150 for a single wide-angle modifier which also requires an adapter ring. I've also seen, on ebay, kits ...
6
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2answers
187 views

Fisheye Image Quality: Improves with Price?

Using a little Opteka fish attachment, I've gotten some very cool shots. The problem is that all shots get, of course, progressively less sharp as you move out from the center. I know that this is to ...
3
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1answer
596 views

Fisheye Lens for Minolta MD mount

Where can i get a minolta fisheye lens (MD Mount) for around 150 dollars or less. Or can i get a lens that gives some of the distorted perspective of a fisheye lens for around the same price?
9
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4answers
896 views

Fisheye extension lens

I want to experiment a little with fisheye lens and ultra wide angle. But I don't want to spend a lot of money on something I don't know if I will be using. Are this lenses OK for experimenting and ...
31
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7answers
11k 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 ...