To store lenses for months, clean them gently, let them dry fully, cap both ends and keep them in a cool, dry, dark, closed container away from heat and sudden temperature swings. Check them every few weeks and move the focus and zoom rings briefly so nothing sits stuck.
Prepare Before Packing
Lenses stored dirty stay dirty, and oils or crumbs on the barrel can attract moisture. Work through this list before anything goes in a box.
- Blow dust from the glass, the barrel seams and the mount.
- Wipe the barrel with a dry cloth. Treat the glass only if there is a visible mark.
- Remove filters and hoods, and store them in their own pouches.
- Let everything sit in the open air of a dry room for an hour so no trace of moisture remains.
- Fit front and rear caps, and set zoom lenses to their shortest position unless the maker says otherwise.
Choosing the Place
The right spot matters more than the container. Look for stable conditions rather than an extreme in either direction.
| Location | Why it helps or hurts |
|---|---|
| Interior cabinet in a living area | Steady temperature, easy to check on |
| Attic or garage | Large heat swings and dust, best avoided |
| Basement | Often damp, needs moisture control if used |
| Next to a window | Sun and heat can warm the barrel |
| Car | Heat builds quickly, never a storage place |
Containers and Moisture Control
A closed case with a tight lid slows dust and humidity. Many people add reusable silica packs and a small humidity gauge so they can see whether the air inside stays in a moderate range. Many makers suggest keeping humidity moderate rather than very dry or very damp, so check the maker’s guide for a figure. Avoid sealing lenses in an airtight bag with damp air trapped inside, and do not wrap them in loose cotton that can hold moisture.
Checking In While They Rest
- Open the container every few weeks and read the gauge.
- Refresh or dry out the moisture packs as their instructions say.
- Turn the focus and zoom rings through their range a little to keep grease distributed.
- Look through the glass toward a light for any haze or marks, and note anything new.
- Keep batteries out of any lens that has electronics or contacts.
FAQ
Should lenses stay on a camera body in storage?
Generally it is better to store them separately, each capped, so a lens is not carrying weight on the mount and the body is not exposed to the lens contacts for months.
Is a dry cabinet worth having?
If you live somewhere humid, an enclosed dry cabinet can be a handy way to hold humidity steady. In a drier climate a tight case with a few moisture packs is usually enough.
The Short Version
Clean, dry, cap, and store in a steady, closed and moderate spot. Check the container every few weeks and move the rings occasionally. That is nearly everything long storage needs.