Why can't the company make the observation window larger?

[Rambo Sonny]

I wonder whether you guys realize that if you use a handheld thermal monocular to observe outdoors for more than half an hour, your eyes will feel very tired. Why can't the company make the observation window larger?

 

[Mike Casselton]

Switch from right to left every few minutes.

Or, left to right if your brain is bass-ackwards.