We’re rewarding the question askers & reputations are being recalculated! Read more.

Questions tagged [fisheye]

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.

Filter by
Sorted by
Tagged with
1
vote
1answer
80 views

How to get close to 180 degrees with minimal fisheye look on iPhone X or 11?

I'm trying to film my rugby practices with my iPhone and wondering what is the best lens to use to capture the entire field without much that fish eye look? I noticed that the new iPhone 11 (Pro) ...
2
votes
2answers
204 views

Are there lenses which can give 180° fisheye circle with a cropped-frame camera?

I have a Canon EOS 1100D, and I'd like to take photos of the whole sky dome. Currently I'm using the Belomo MC 3,5/8A lens. It has 180° angle of view, but that's only true for full-frame cameras, and ...
0
votes
2answers
37 views

What to look for in a fisheye that is to be useful at multiple sensor formats?

I am aware there are multiple projection types, and a complicated relationship between imaging circle, focal length and how a crop will look like. How to choose a fisheye that is useful on a full ...
2
votes
2answers
243 views

Filter holder adaptor with Canon's EF 8-15mm f/4L Fisheye USM lens

I'm interested about using ND filters with the Canon 8-15mm fisheye, but I'm not finding information about which alternatives are available. Are Format or Lee sw150 compatible with such lens? If ...
0
votes
2answers
106 views

How do you determine focal length/wideness of fisheye conversion lenses?

I currently use a 0.7x adapter on a 28mm lens, but I want to go wider. I've seen a selection of different 0.*x lenses but with no indication to the focal length it provides. How do you determine the ...
1
vote
1answer
130 views

Are “moustache” distortions in rectilinear ultrawides the result of a fisheye+pincushion construction?

If I wanted to try and build an ultrawide, I guess I would try building a fisheye first, then try tearing the frame back into shape with a group that introduces pincushion distortion. The kind of "...
0
votes
1answer
62 views

Does the DJI Phantom 4 advanced has the fisheye effect on taking videos from above?

I make research on transportation systems. I'm going to use a Dji Phantom 4 Advanced in order to take videos from above and then I will georeference multiple frames. Should I take into account the ''...
1
vote
1answer
240 views

Pixel diameter of a given field of view calculation equisolid (equal-area) fisheye lens

I have a 180° equisolid (equal-area) fisheye lens with a focal length of 8 mm. I want to crop images to a circle defined by an angular field of view from the zenith angle of the lens (i.e. the middle ...
1
vote
1answer
340 views

Diagonal Angle of View given Horizontal or Vertical angles of view for equidistant lenses

I am struggling to find the correct mathematical relation between the horizontal and diagonal angle of view for a given aspect ratio for equidistant lenses. For rectilinear lenses, it is possible to ...
3
votes
2answers
1k views

Use a fisheye lens on APS-C camera as ultra wide angle

Is it a good idea to use a full frame fisheye lens, like a Canon EF L 8-15 f/4 USM Fisheye (or any other similar) as ultra wide angle lens on an APS-C camera? In my understanding, the APS-C will just ...
3
votes
3answers
287 views

How does one evaluate the sharpness of a fisheye lens throughout its field of view?

While I have been analyzing sharpness and other optical properties of rectilinear lenses for a while, I have received a fisheye lens covering 180° and am having trouble producing an adequate test. ...
3
votes
3answers
294 views

If I adapt an EF circular fisheye lens to EF-M mount, will the image be cropped?

I cannot find a circular fisheye lens with an Canon EF-M mount. Is there one? There are a couple of regular fisheye lenses, but no circular fisheye with equisolid angle projection. If I use an EF-M/EF ...
1
vote
3answers
3k views

How is Focal Length defined for 180-degree fisheye lenses?

The definitions of Focal Length I saw seem to implicitly assume that the field of view is finite, which isn't true for 180-degree lenses, or presume parallel transport of certain rays passing through ...
2
votes
1answer
642 views

How to measure field-of-view of a camera with fisheye Lens? [duplicate]

For a camera with a rectilinear lens a simple measurement would consist of taking images from known distance of an object of known size. For example using a sheet of paper as an object set on a wall ...
0
votes
1answer
904 views

How do i set my Nikon D700 to bracketing starting at -1?

Totally new to Photography, I am trying to take hemispherical photographs using a D700 And A Fisheye-Nikkor 8mm f/2.8 lens for my research. And i am required to set my camera as follow [Exposure - ...
0
votes
1answer
93 views

What kind of lens do I need to buy to create a fish eye effect?

I would like to buy a lens that creates a fish eye effect. However, when I look it up, it comes up with all different prices and all different names. I have a proper Canon camera and I was wondering ...
1
vote
0answers
180 views

How to determine the projection (Stereographic, equidistant etc.) of my fisheye lens?

I have a Fujinon FE185C057HA fisheye lens and I want to know its projection. Is there a software tool I can use to do this? I have the lens with me so I can take some pictures with it. I just need a ...
0
votes
2answers
2k views

How photo and lens looks with 1mm focal length?

Are there lens with 1mm focal length? What is the shortest focal length possible for full frame sensor? And can it be rectilinear lens? There is Sigma EX 4,5mm, but it's for APS-C and still far from ...
0
votes
2answers
818 views

Why does a fisheye add-on lens for smartphones need refocusing when a wide-angle adapter doesn't?

I'm playing with some low-cost clip-on fisheye lens for phones: When I clip the fisheye over the phone, the camera needs refocusing. But the 0.67x wide-angle + macro combo doesn't. What's the theory ...
1
vote
1answer
2k views

It is a way to remove fish eye from a gopro or yi 4k action camera without loosing quality or without replace the lenses?

It is a way to remove fisheye from a gopro or yi 4k action camera without loosing quality or without replace the lenses ? (regarding the video)
0
votes
3answers
654 views

With a Full-Frame Camera, will a Full-Frame Fisheye Lens produce a Circular Image?

I am looking to buy my first full-frame camera, but I want some clarity on this one point. I have the Canon 8-15 mm full-frame fisheye lens, it works great on my non-full-frame Canon DSLR. In the ...
0
votes
3answers
543 views

Abstract street photography with a fisheye lens? Examples?

I do street photography, but I don't shoot people or scenes. Instead, I tend to go for details. Lines, shapes, words. I've often wondered if a fisheye lens would be useful for someone like me, or ...
2
votes
0answers
99 views

Software to re-center a fisheye image

I am looking for easy to use software that works on OS X and can "re-center" an equal-area projection fisheye image. What do I mean by "re-center"? The perspective correction tools built into many ...
0
votes
1answer
98 views

All-sky imaging camera recommendations

I am looking for a camera (with a fisheye lens) to capture low temporal resolution (0.1 Hz), reasonably high pixel resolution (1 mega pixel) video. It will be installed in a weather proofed housing ...
5
votes
2answers
2k views

What is the relationship between field of view and focal length for fisheye?

What is the relationship between the focal length and field of view for an equal-area ("equisolid") projection fisheye lens? Alternatively, what is the relationship between the 180-degree image ...
0
votes
1answer
1k views

How to remove fisheye in PhotoScan Pro?

I am trying to build a 3D model of a site in CA using Photoscan Pro. The images were taken by 3DR solo drone GoPro camera. I need to process the image in Photoscan, however, I am having trouble with ...
2
votes
3answers
2k views

Do the DJI Phantom 3 & 4 produce the same amount of fish-eye as previous Phantoms?

I'm wondering if the generation 3 and 4 of the DJI Phantom are still producing the same fish-eye effect on photography as the Phantom vision 2.
2
votes
1answer
145 views

How to use a fisheye lens on a Canon T3i compared with a T2i?

The question may seem simple, so let me explain it more: I had a Canon T2i, which I used for a time with my fish eye lens. When zoomed all the way out on the fisheye lens there used to be visible in ...
3
votes
2answers
268 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 ...
0
votes
2answers
92 views

What kind of product do I need to use a fisheye lens with a Canon T3?

I've got a Canon T3 camera, which I normally use with my 18-55mm lens. However during a trip I bought a fisheye lens by Digital Advance, very like this pic: I'd like to use this one on my Canon T3. ...
1
vote
1answer
198 views

Fish-eye effect utility [duplicate]

In which situations should I use fish-eye effect? I own a Canon Power sx510hs which is an advanced point and shoot camera. It has fish eye effect which distorts an image spherically. Other than having ...
1
vote
1answer
852 views

Wide angle or ultra-wide (fisheye) lens for interior and exterior architecture shots?

I'm thinking to add a wide angle lens to my gear and I need your advice. I own a Nikon D5300, and my options are the: 10.5mm f/2.6 Nikkor fish eye or the 10-22mm f/4 Sigma wide angle zoom. I think ...
2
votes
2answers
164 views

Is the effect of a fisheye lens visible in an optical viewfinder or Live View?

I live in an area without a camera shop nearby, so I can't see for myself. On a DSLR, is the effect of a fisheye lens visible in the optical viewfinder or do I need a fisheye viewfinder for that? Is ...
2
votes
1answer
269 views

Why does the “fisheye effect” look stronger or weaker with different scenes taken with the same lens?

It seems that the fisheye effect can look different with the same lens. So I want to understand how it works. For example, I use a Dji Phantom vision 2 drone to take pictures, all of my pictures have ...
1
vote
1answer
4k views

How can I simply remove the fish-eye effect of my DJI Phantom vision 2 lens? [duplicate]

I'm searching a simple and cost-less way to remove the fisheye effect by: adding a material (additional corrective lens) or find the right software (free if possible) to remove the fisheye effect on ...
0
votes
2answers
6k views

Bubble Effect on image (Photoshop or online)

I have a square image (300 x 300), and I'd like to apply the "bubble effect" as shown here: Specifically: I only want the "bubble" part in this example Make image round and give it that curved ...
6
votes
2answers
2k views

What is the correct, standard EXIF metadata to add for Rokinon 8mm fisheye lenses?

I own a Rokinon 8mm Ultra Wide Angle f/3.5 Fisheye Lens for Canon EF Mount. This is a manual lens not electrically connect to the Canon 60D body I use it with. With exiftool I want to add the correct ...
1
vote
3answers
468 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 ...
4
votes
3answers
5k 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
vote
2answers
3k 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 ...
5
votes
3answers
2k 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
vote
0answers
185 views

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

Is there any chance to work together lens and filter holder: - Samyang AE 8 F3.5 CS II fish-eye - Samyang SFH-14?
1
vote
1answer
191 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 ...
0
votes
3answers
426 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
vote
1answer
939 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
votes
1answer
718 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
votes
1answer
90 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
votes
5answers
9k 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 ...
3
votes
1answer
683 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 ...
11
votes
2answers
4k 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 ...