Questar instruments are manufactured to precision standards with rigid
quality control. Questar guarantees all materials, including magnesium
fluoride coatings, for ten years from date of purchase. Broad-band
coatings are guaranteed for five years; drives and focusing mechanisms
are guaranteed for two years from date of purchase. Questar-manufactured
electronics are guaranteed for one year from date of purchase.
Workmanship is guaranteed for two years from date of purchase. The
Questar guarantee is non-transferable and does not cover damage caused
by accident or misuse; nor does it cover damage through shipping. The
warranty is null and void if the instrument is repaired by any
unauthorized agency. Questar Corporation recommends an Inspection
Service every two to three years and the Standard Service every five to
seven years for any instrument. All freight, insurance, duties, fees and
taxes are the responsibility of the buyer.