Luna Display in 2024

My gear:
beloved iMac 5k (late 2020)
M3 Max Macbook Pro
Belkin Thunderbolt Cable
Luna Display

tldr: if you want to do a pseudo target display mode with a modern iMac. This is the way.

I love my iMac 5k 2020 for its Mac power and its boot camp’d Windows power but my Macbook Pro has become my preferred Xcode machine. I did not want to toss the iMac and get a Dell or Samsung monitor for the Macbook Pro so I floated the idea of using Screens from Edovia to make a fake “target diplay mode” on the iMac. @cornchip suggested Luna Diplay. I took a quick look at the web page and decided to try it. It took about a week to arrive. I connected the two macs with a thunderbolt 3 cable, and lets just say “Wow”. Any lag is barely noticeable (mostly when I use the arrow keys or backspace). I am typing this post on the iMac powered by M3 Max Macbook Pro and I would rate it 9/10 for response and fluidity. Xcode feels great. They warn us about games and video, but normal graphics use seems fine. I am getting Retina, so I fired up Campaign Cartographer 3+ and messed around with some map creations, works and looks great. Photoshop looks great for non-professional needs. Everything was done with my macbook pro lid closed sitting on the desk out of the way.

Bottom line: I cannot find any faults. This is a quality little piece of hardware and it has probably saved the life of my iMac.

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More testing: I am watching youtube with no issues. Not fullscreen, just the normal youtube browser display and the video has no issues at 1080p. However the sound comes out of the macbook pro.

Thank you so much for the cable specs. I’ve just made the same move this week with my M1 MBP and 5k 2018 iMac. It’s working fine over Wi-Fi as I am just using Word, Safari and Endnote, but I was going to explore using Thunderbolt for more video-intensive applications. You’ve just saved me a job speccing the cable :pray:

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It’s so smooth that I forget I am using it.

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1.5 Month Update.

It’s awesome. I cannot think of a better way to do this.

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I use Adobe Creative Suite predominantly Indesign, illustrator, Lightroom classic and Photoshop. Not video intensive sounds like the Thunderbolt cable would be the best way for a Close toseamless Operation.