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HomeAircraftHelicopterAerial Photography and Video › Fisheye vs. rectilinear lenses for Panos
03-08-2008 06:57 PM  10 years agoPost 1
CKY

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Sunshine Coast, BC, Canada

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What are the advantages/disadvantages to the different lens types?

A Canon 10-22mm on an XTi is great for wide landscapes and should do geat 360 panos. Does a fisheye lens have enough pros to justify the purchase?

Seems the fisheye may be only of good use for spherical panos??

Can you guys that do the great panos share some info??

Chris

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03-08-2008 07:44 PM  10 years agoPost 2
rroback

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well, I'm not sure i'd say my panos are amazing, but I've done enough to please a few clients. I have a canon 15mm fisheye, and like it a lot. Fisheye lenses distort the images a lot, but almost all the distortion are easily removed with photoshop. I suppose the ultimate setup would be the canon 14mm, but that's a bit on the high side.

Rhett..... I can't fly, but the Profi sure can.

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03-08-2008 07:50 PM  10 years agoPost 3
nooobs

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03-08-2008 08:06 PM  10 years agoPost 4
Hogster

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I think the majority of guys that shoot aerial panos use fisheyes. For Nikon users the 10.5mm is very popular, and for Canon users, usually Sigma lenses like the 8mm or new 10mm F2.8 are most commonly used.

For the same focal length, a fisheye will give you a wider field of view, and hence means fewer shots are needed to complete the pano.

Fisheyes do introduce distortion but this doesn't bother programs like PTGui which remove all the distortion automatically as part of the stitching process.

Personally I would want a fisheye for panoramas and a rectilinear (like the 10-22mm ... which I hired recently for a few days and loved!) for landscapes as it would be a pain to keep removing the distortion every time you took a landscape shot ...

My 2p worth

David

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03-08-2008 08:11 PM  10 years agoPost 5
wlfk

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uk

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How do people feel about 15mm v 8mm fisheyes - i.e. full/frame v.circular?

I've heard that the circular fisheyes have so much abberation that they're nearly unusable, but being able to take a spherical panorama in just 3 shots has got to be a good thing on a moving platform.

K

A bit like a kite, but 500 times more expensive

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03-08-2008 08:16 PM  10 years agoPost 6
nooobs

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03-09-2008 07:25 PM  10 years agoPost 7
Stet

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Key Largo FL

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The pano software has to do less work with the fisheye

I use the 15mm canon as well as my 16-35 canon zoom

I took shots with both lenses and blew them up and found no discernible difference in quality

The pano software will convert single fisheye shots to rectilinear

I am convinced the 14MM Canon is not worth the money.

The fisheye is much smaller, lighter and cheaper.

keepin' it real

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03-09-2008 09:16 PM  10 years agoPost 8
CKY

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Sunshine Coast, BC, Canada

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I think I will go for the 10-22mm Canon. I had the lens for short while before an untimely death, and really liked it.

While Spherical panos look very cool I tend to lean towards the 360 panos. I think you can extract more detail from the rectilinear.

If it only takes two shots to do a 360 you are then limited to the cameras pixal count. A rectilinear set to portrait mode and 10mm will require 4 shots minimum, and get a massive 110 degress of verticle FOV and a final pano of 40meg resolution. (XTi) Very good for printed matter, probably not worth a hoot for web bases viewing?

The 10-22 will get more use, I think.

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03-10-2008 01:18 AM  10 years agoPost 9
Stet

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Realviz will render out in cylindrical or spherical. Will also render out "snapshots" which are basically a rectilinear conversion of the section of the pano you are looking at.

With my 15MM fisheye and 40-50% overlap between shots in portrait mode, it takes me 6 shots around, plus one up and one down.

My camera is full frame, which helps too.

keepin' it real

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