One body, one lens, no changes
The single biggest reduction in failures came from refusing to change lenses in the open. A 24-70mm on a sealed body covers roughly 80 percent of construction work. When I need reach or width I carry a second body rather than a second lens, and both bodies stay closed from the truck to the truck. If a change is unavoidable, I do it inside a vehicle or a finished room with the door shut, camera pointed down, and I never do it on a windy deck. Sensor dust is a two-hour cleaning job and lens dust is permanent, so the arithmetic favors carrying an extra pound.
The bag is a tool, not luggage
A hard-sided case that latches and stands up on uneven ground beats a soft shoulder bag on every site I have worked. Mine is a wheeled case with pick foam that lives near the trailer, and a small sling that holds one body, a spare battery and a cloth goes with me on the walk. Nothing gets carried loose. Nothing gets set on a horizontal surface unless I put it there deliberately, because the surfaces on a jobsite are wet, sharp or about to be moved. I also replaced every camera strap with a short one that keeps the body against my chest, since a camera swinging on a neck strap catches on scaffold and pulls you off balance.
Consumables that prevent the expensive failures
A clear protective filter on every lens, replaced when scratched, costs forty dollars and saves a front element. Two rocket blowers, because you will lose one. A stack of microfiber cloths in a sealed bag, used once and washed, rather than one cloth that grinds grit into coatings all week. Silica packets in every case. Spare batteries kept warm in an inside pocket in winter, because lithium cells lose a third of their capacity around freezing and a camera that dies at the top of a ladder is a wasted trip. Gaffer tape for cable runs and for taping a zoom ring when a set needs a fixed focal length. None of this is exotic and all of it is the difference between a kit that lasts three years and one that lasts eighteen months.
What you wear is part of the kit
Hard hat, safety glasses, high-visibility vest, and boots with toe protection are the baseline on essentially every commercial site in the country, and a photographer shows up with them rather than borrowing. Gloves complicate camera operation, so I use a thin mechanic’s glove that still lets me feel a dial. Knee pads matter more than people expect, because half of construction photography is taken from eighteen inches off the ground. If you have never been through a site orientation, the federal guidance published by the Occupational Safety and Health Administration on construction-site hazards is a reasonable place to understand what the safety officer is going to ask you about. Turning up already equipped is also the fastest way to be treated as a trade rather than a visitor, which changes how much access you get.
The checklist that runs before the truck moves
Batteries charged and counted. Cards formatted in the camera, not on a computer. Both bodies set to the same file naming scheme so two days of frames do not collide. Tripod feet clean. Rain sleeve in the bag regardless of forecast. A printed shot list, because a phone with wet hands in cold weather is useless. And the paperwork — certificate of insurance, site induction confirmation, and whatever permissions the job requires before you arrive — because being turned around at the gate wastes more time than any equipment failure ever has.
Frequently asked questions
Is weather sealing worth paying for? On a body, yes. It is the difference between drizzle being an inconvenience and drizzle ending the day.
How often should a site camera be professionally cleaned? Twice a year for heavy use, or immediately after any demolition or concrete cutting work.
Do I need a separate phone for site use? Not separate, but a rugged case and a lanyard are worth it. Phones are dropped on sites more than cameras are.