A ‘relaxed-eye’ 3-D image of the cathedral. I found it worked best on my phone in landscape orientation.
9 Likes
I’ve flown here 
Just be mindful of of the two Peregrine falcons who nest on the cathedral…
1 Like
Nowhere near them but worth pointing out
Love it !
Oh that epic building is so definitely on my list 
How did you make the stereogram just out of interest ? Don’t think I have ever seen a drone-shot one before !
1 Like
Don’t forget to click you have flown here 
You could give my logged TOAL location a try if you’re in Winchester. A great vista from the top as well. 
1 Like
Any idea where that nest is specifically ?! I was thinking of going very early one morning when there was no1 about so I could get a little closer…
I don’t know if they nest all year round on the cathedral but their chicks certainly hatch there.
Check out the Cathedral webpage dedicated to the falcons and some webcams. 
1 Like
It’s very simple:
- Compose your shot for the left image and take it
- Move the drone a short distance to the right and take another
- Repeat 2. several times
- Back home, create the stereo pair, using the left-most image and one of the others
- Try a few different images for the right-hand one and select the one that gives the most pleasing result
I took about 5 images in total, moving about 1m to the right each time for subsequent images. The ‘2m’ gave me the best effect, I thought. Afterwards, I thought I should also have set a POI at the front of the cathedral to match the way our eyes point at the area we’re looking at.
I’ve also read elsewhere that the optimal separation is about 1/30 of the distance to subject but no idea if there was any truth/science behind the statement.
2 Likes
Last time I went there to try to photograph them, they were near the top of the left-most part of the cathedral in the picture.
1 Like
Do you have to get permission to fly there ?
No, it’s a public park. There might be the odd * cough * council rule but it’s not a terribly busy park and i had no issues whatsoever flying there.
Thanks Appreciate
1 Like
I used a public road for TOAL. The area at the front of the cathedral may be public, but I didn’t want to risk a run-in with anyone. Other parts of the cathedral grounds (The Close) are more protected so I think you may run into problems if you take off from there.
I also posted on this last year, see Stereo photography by drone. A useful software package is Stereo Photo Maker, which is also free. It helps make adjustments to the stereo pair and can output in a variety of formats.
1 Like
Ah, thanks - that must have been where I found the “1/30” comment. Do you have a source for that?
I created a template in Lightroom to make the pair but will take a look at the software you mentioned.
1 Like
The technique I mentioned was hyperstereo, and there’s a lot of theory out there that discusses this; the 1/30 rule of thumb, for example, is mentioned here, Stereo 3-D Rules. - 3D - Cinematography.com, but I’d also recommend looking at The Magic of Hyper Stereos - the stereosite and some of the links there.
It’s linked to the fact that the human eyes have a separation of around 65mm, and that good stereo is replicated if the subject is about 6 ft / 2 m away. Subjects further away do not show depth so well, so increasing the separation brings out the depth when viewed. Conversely, when taking close-up or macro stereo photos, reducing the separation gives better results.
Stereo Photo Maker is great for ironing out the final image.
Of course it’s hard to specify the separation when flying a drone, so taking a sequence helps for determining the best pair afterwards. If you take a 4k video clip you can extract frames to make a stereo pair too.
1 Like
Also bear in mind you’re already about 100 feet up when taking off so its a perfect straight out towards the cathedral.
Good to know thanks
1 Like
Good at night, from St Giles Hill, too. Link
1 Like