Lens construction consists of 15 elements in 12 groups | 23.4-Degree diagonal angle of view | Inner focusing system with USM and full-time manual focus option. Closest focusing distance 0.99 ft./0.3m (maximum close-up magnification: 1x) | 67 millimetre filter size. Filter Size: 58 millimetre. Lens hood:ET-73 | 100mm lens with f2.8 aperture | Canon's first mid-telephoto macro "L" series lens to include Canon's sophisticated Image Stabilization | Near-silent Ultrasonic focusing | Enjoy life-size close-up capabilities without an adapter | Compatible with 67mm filters | 100 mm focal length and 1:2.8 maximum aperture. The EF1.4X II/EF2X II extenders cannot be used with this lens. There are no compatible close-up lenses

Fits Round Mounting Tube Sizes 1-5/8", 1-3/4", 1-7/8", 2", 2-1/4", 2-3/8", 2-1/2" | Each enclosure holds two 6-½" Marine Speaker | Weather-proof empty enclosures with slotted mounting holes to accommodate different bolt patterns | Nine-degree axis rotation | Compatible with all KICKER 6-1/2-inch component speakers, coaxials and horns

PROFESSIONAL GRADE BLANK DVD - MediaPro DVD-Rs feature the high-quality manufacturing and performance professionals demand, and are used in duplication houses throughout the world. Whether you burn 1 DVD at a time, or thousands, MediaPro blank DVDs are for all those who require dependable discs at a competitive price. | HIGH VALUE - Get the most for your money with MediaPro blank discs. MediaPro DVD-Rs allow users to cut costs while maintaining professional quality standards | INKJET HUB PRINTABLE SURFACE - This pack of 100 MediaPro blank DVDs has a white top surface, intended for use with direct-to-disc inkjet printers from Epson, Rimage (2000i and Allegro systems), Primera, Microboards, and others. The inkjet printable surface extends from the outer edge to the inner hub of the disc, for full-surface, edge-to-edge printing. MediaPro’s inkjet printable surface features excellent ink absorption for fast drying times and crystal clear prints. | IMPROVED PACKAGING - MediaPro blank DVDs are now packaged in individual cartons to minimize breakage during shipping. Each pack of 100 discs is sealed in bubble wrap and secured in a carton designed to securely fit and protect the sealed pack of discs. MediaPro strives to ensure every pack of discs arrives damage free. | SPECIFICATIONS - Each MediaPro DVD-R has the capacity to store up to 4.7GB of data, and records at up to 16x burn speed.