Lens: 1.6x manual zoom (throw ratio: 1.18-1.90:1), manual focus, F 1.60-2.12, f 15.28-24.62 mm, Lamp: 280 W x 1, lamp replacement cycle (lamp power: Normal/Eco): 2,500 hours/4,000 hours*2, Screen size (diagonal): 0.76-7.62 m (30-300 inch), 16:10 aspect ratio, Brightness*3: 4,300 lm (lamp power: Normal), Center-to-corner uniformity*3: 0.85, Contrast*3: 3,500:1 (full on/full off, lamp power: Normal, Iris: On), Resolution: 1,280 x 800 pixels*4. The PT-VW430 Series with its brighter and crisper projection. The Daylight View Basic function produces easy-to-see images even in bright rooms.