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PostPosted: Mon Jan 11, 2021 5:34 pm 

Joined: Mon Jan 11, 2021 5:29 pm
Posts: 7
I have 2 Kinect V2's I am looking to calibrate with each other, and would really appreciate any advice for the type or brand of Maglite I should purchase. Do some work better than others? I want a high quality calibration video.

Thank you.

PostPosted: Tue Jan 12, 2021 5:09 am 
iPi Soft

Joined: Wed Jan 11, 2012 6:12 am
Posts: 2355
Location: Moscow, Russia
Maglite is actually a brand. Many of their flashlights feature the candle mode when a head is unscrewed and a lamp shines in all directions not only forward. This feature should be mentioned explicitly in the product description. You can get one for around $10 at Amazon. I believe a flashlight of any brand with a similar feature should work equally well. Also you can use a PS Move controller for the purpose of calibration if you have one. It has a glowing sphere which shines in all directions.

PostPosted: Tue Jan 12, 2021 12:24 pm 

Joined: Mon Aug 03, 2009 1:34 pm
Posts: 2423
Location: Los Angeles
A word of warning about the current production run of the Maglite Mini.

The Maglite Mini is a small (narrow grip, 7-inches long) version of the Maglite that can convert to 'candle mode'. It's what I've been using for many years for iPi Mocap Studio calibration, and it has always worked well.

Recently, I replaced my old Maglite Mini with a new one because the battery had gone bad and damaged the device. The newer Mini appears identical to the old one, but I discovered that the company switched to a lower profile bulb. The Mini still works in 'candle mode' but the angle of illumination has been reduced compared to what I had with the the longer bulb in the older model.

In short, it's still useable for calibration, but you will need to be more careful with keeping the light visible to all cameras or sensors. Tilt to away slightly, and the light is easily occluded by the edge of the 'candle' grip.

I think I still have my damaged Maglite Mini and intend to switch out to its longer bulb. I haven't checked yet, but I imagine the longer replacement bulb can be purchased from a third party. (I just checked and, yes, it is available. Think I'll order some for backup.)

Just felt this was worth mentioning. Hope this helps.

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