JetBlue, in common with other airlines, explicitly warns against placing cameras and similar in checked baggage. How much clearer could they make it?
Items that JetBlue Does Not Hold Liability for
The following items are accepted for transportation at your own risk. JetBlue will not be liable for damage, loss or spoilage of these items.
You may choose to carry the item(s) with you if they meet the requirements for carryon baggage. Essential medication or currency should always travel with you and should never be checked.
If checked, all of the following items will be marked with a limited release tag:
Fragile or unsuitably packaged items (such as antiques, art, bottles, cameras [video, still, projectors], ceramic, computer equipment, glass, hockey sticks, liquids, luggage totes, mirrors and other items subject to break in transit, musical instruments, precision tools, radios, small appliances, sound reproduction equipment, televisions or trophies)
Irreplaceable or essential items (such as antiques, artifacts, car keys, house or other keys, currency, checks, negotiable papers, securities, essential medication, heirlooms, collectible items, irreplaceable business documents, jewelry, precious stones or metals including silverware, natural fur products, optics, contact lenses, paintings/works of art)
Perishable items (such as fish, meat or any perishable food item, flowers or plants