This patented DualView magnifier features two separate viewing planes for both high and low power magnification. Take full advantage of the device’s versatile design and view flat images or three-dimensional objects from a 3x pre-focused lens or from a 12x focusing magnifier intended for studying the extra fine details. A wide, transparent base permits ambient light to illuminate items for crystal-clear viewing, while its dual acrylic lenses yield a lightweight, yet durable magnifier. Its compact design fits easily into a desk drawer and is the perfect accessory for hobby or business projects. Pre-focused domed area: 2.5-Inch x 1.75-Inch; focusing viewing area: 1.25-Inch x 1.25-Inch. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our magnifiers. We are so confident in our magnifiers that we back them with a Lifetime Limited Warranty! Carson will repair or replace your magnifier if it is found to have manufacturing defects in materials or workmanship. Please contact Carson for additional warranty details.