06 inches, which might not be that Considerably should you Look at it with other scopes on this checklist. Other than that, its battery lifetime also tops out at 5 several hours. So you must have battery backup with you When you've got it on the sector. Other science instruments https://infrared-telescope52962.blogoscience.com/34055947/the-ultimate-guide-to-infrared-light-for-night-vision-scope