I don't know if this would hold up to the rigors of dust in a field but they seem to hold up on vehicles that are in all kinds of weather and conditions. 

https://www.amazon.com/s?k=backup+camera+for+truck&crid=3JW9FIRGXZFD0&sprefix=BACKUP+%2Caps%2C318&ref=nb_sb_ss_p13n-pd-dpltr-ranker_3_7

Backup camera's for a truck should work, shouldn't they?