GOPRO lenses 220°, 250°, 280° which one choose (Entasiya)

[maxime parata]

Hi,
I’m a 360 videomaker/photographer I used to work with the basic Freedom360 with 6 gopro but this rig doesn’t offer enough flexibility for shooting in hard conditions (movement, proximity, etc..).
I wanted to buy one of those fisheye lenses for gopro on entapano http://www.entapano.com/en/fisheyelens/m12_fisheyelens.html
The main reason is that I want more space to stitch but also a better image quality and the possiblity to shoot in shadowy places without noise.
but there is some information that I cannot understand in order to choose the lens, such as the MTF graph (see attachments, the first one is for the 220°, the second 250°, and the third 280°)

I would like some explanation about these graphs, and advice from someone who already tried them to help me choose the best one.
I would like to go on something that won’t make me lose too much quality no matter the price and the rig.

thanks,
Max

[Jürgen Schrader]

While you certainly will get more room for your camera with a smaller rig, you will not improve the noise/signal ratio nor image quality as you are still using the same camera technology but with lower resolution.

[maxime parata]

Thanks for you response, but there is a lens, the Entaniya Fisheye 220 that has a F/2.0 appearture, that could possibly help me to get a higher luminosity and less noise right?

Once I tried a rig with 5 circular gopro + 1 top, with lenses and I noticed that the image quality (the luminosity and the noise) was really better than if I shot with the basic gopro lenses, unfortunately, the owner of the rig didn’t want to say what lenses he used.

[Author]

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