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Digiscoping with multi-lens phone

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Old Saturday 20th July 2019, 09:02   #1
sniederb
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Join Date: Jul 2019
Location: Baar, Switzerland
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Digiscoping with multi-lens phone

My setup is a Swarovski VPA with a Huawei P30. The latter has separate lenses for 1x and 3x zoom. Using the VPA, the 3x would give me an excellent view of field, but I'm struggling with the way the phone decides which lens to use:

The 3x optical lens will only be used if there is enough light. Otherwise, the 3x setting will result in a digital zoom from the standard 1x lens. If I adjust the VPA for the 3x lens, it seems parts of the VPA are covering the light sensors, thus the camera decides there's not enough light for 3x, switches to the 1x lens, and I get a black screen (as the VPA is covering the 1x lens).

I've attached "huawei-p30-lenses.jpg" to illustrate. The top most lens is the 3x, the very bottom one the 1x lens.

Does anyone have experience digiscoping with multi-lens cameras?
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Old Saturday 20th July 2019, 09:22   #2
peter.jones
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I have the p10, which has two lens, it works fine for me, but I think that's due to me not zooming, or maybe the design is different. I get an error message about covering up the 2nd lens at some point in the photo taking process, but can ignore that.
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Old Sunday 21st July 2019, 07:35   #3
MrSmith
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You probably require and App so you can manually control which lens your camera uses, such as:
https://play.google.com/store/apps/d...amera&hl=en_ZA
I use https://www.procamapp.com for my iPhone X
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Old Tuesday 23rd July 2019, 05:10   #4
sniederb
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Quote:
Originally Posted by MrSmith View Post
You probably require and App so you can manually control which lens your camera uses, such as:
https://play.google.com/store/apps/d...amera&hl=en_ZA
I use https://www.procamapp.com for my iPhone X
Completely agree. Looking at descriptions, I haven't yet found an Android app which allows for that. Any pointers would be very welcome!
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Old Sunday 11th August 2019, 11:23   #5
sniederb
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I've found that by zooming in to the max. of what digital zoom allows, the Huawei P30 will switch over to the 3x optical zoom lens. So going to max-zoom, then reverting back to 3x gives me exactly what I was looking for, my phone using the "correct" lens.
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Old Saturday 17th August 2019, 18:39   #6
sniederb
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I've put together my findings here: https://chbirds.wordpress.com/2019/0...-a-huawei-p30/
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