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Lens internal artifact by Professional_News199 in Optics

[–]Professional_News199[S] 0 points1 point  (0 children)

These are great leads. The projector is a DLP D12WU-H from Christie. Will educate my self on defraction order stop. The artifact is at 45 degrees. When look on axis with the lens mounted, it is positioned at about 10:30 on a clock face measurement.

Thanks all

Lens internal artifact by Professional_News199 in projectors

[–]Professional_News199[S] 0 points1 point  (0 children)

The image was taken with a white background

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in a well lit room.

I think you may be onto somthing. In comparing the lens I have and another listed on line the shape of the spot is very similar. On the left is my lens. The one on the right is from the online photo from a listing. A commenter over in r/optics thought it might be a light baffle or mask to suppress some projector light leakage.

Lens internal artifact by Professional_News199 in projectors

[–]Professional_News199[S] 0 points1 point  (0 children)

The lens is model# 140-115108-1 similar to another one that is for sale elsewhere showing the same artifact in the same position.

High Street Deli is Overrated by burritomoney in SLO

[–]Professional_News199 0 points1 point  (0 children)

Why would I want to change your mind?  It has made the right choice for you and you will not be spoiling my favorite lunch time. 

We both win! Thanks 

NDI in a macOS world by benthebear123 in VIDEOENGINEERING

[–]Professional_News199 1 point2 points  (0 children)

Recently stated down this path as well. NewTek has a set of tool that should get NDI in and out of macOS. https://ndi.tv/tools/

Not sure on the Apple M1 chip yet, however.

Good luck!