Quality optics and weapon lights are built to endure, but a little routine care keeps them performing at their best and protects your investment. None of this takes long — and doing it wrong (especially with lenses) can cause damage. Here is the right way.
Cleaning lenses without scratching them
Lens coatings are delicate, so never attack a lens with a dry cloth or your shirt — grit dragged across glass leaves permanent scratches. Instead:
- First, blow or brush off loose grit with a blower or a soft lens brush. This step matters most.
- Breathe lightly on the lens or use a purpose-made lens fluid, then wipe gently with a microfibre cloth or lens tissue in small circles from the centre outward.
- For stubborn marks, use a lens pen or an isopropyl-alcohol lens wipe. Avoid household glass cleaners, which can attack coatings.
Battery care
Batteries are the most common cause of an optic "failing" in the field.
- Change on a schedule, not when the dot dies. Note the date you fit a fresh cell; many shooters swap on a birthday or at the start of the season.
- Remove batteries from lights and optics you are storing long-term to prevent leakage that can ruin the contacts.
- Keep a spare cell taped inside a grip or in your kit. Most red dots use CR2032 or CR123A — check yours and stock up.
- Clean corrosion or fingerprints off contacts with a cotton bud and a little isopropyl alcohol.
Check your torque and zero
Recoil and handling slowly loosen fasteners. Every so often — and always after a heavy range session — confirm your mount screws are still at spec with an inch-pound torque wrench, and confirm your zero has not shifted. A dab of removable thread-locker on base screws (never on the fine adjustment turrets) helps them stay put.
Body, seals and moving parts
- Wipe the optic and light body with a slightly damp cloth; dry it fully. Avoid solvents on rubber armour and O-rings.
- Keep turret caps and battery-compartment threads clean; a trace of the maker's recommended grease keeps O-rings sealing against water and dust.
- On weapon lights, keep the tail-cap and switch threads clean so contact stays reliable, and check that a rechargeable cell still holds charge before you rely on it.
Smart storage
Store optics and lights somewhere cool and dry. A silica-gel pack in your case fights condensation and fungus on glass — a real problem in damp climates. Fit lens covers or bikini caps to keep dust off, and avoid leaving optics baking on a dashboard or sealed in a hot car, which stresses seals and shortens battery life.
A simple routine
- After each use: blow off grit, wipe the body, check lenses.
- Monthly / seasonally: check torque and zero, inspect battery and contacts.
- Long-term storage: remove batteries, add silica gel, fit covers.
Look after good glass and it will look after you for decades. If you need lens wipes, spare batteries or fresh mounting hardware, we stock the accessories to keep your setup in top condition.
