Zappos.com is proud to offer the Pentax - smcP D-FA 100mm f/2.8 Macro (One Color) - Electronics: The Pentax smcP D-FA 100mm f/2.8 Macro Lens is the choice of professional and top-tier photographers. Features ; High-performance zoom lens can also be used as a telephoto lens. 9 lens elements in 8 groups. Curvature and positioning of optical elements nearly eliminate flare and ghosting. Durable metal lens mount. Compact, lightweight design. Large lens hood shields lens surface from incident light. Pentax multi-layer SP coating protects exposed lens elements. Weather and dust resistant body. Quick-shift Focus System allows instant shift from auto focus to manual focus. Aperture ring for fingertip control. Image circle comparable with 35mm-format SLR cameras. Optimized for digital photography. Specifications ; Lens mount: Pentax KAF. Lens construction: 9 elements in 8 groups. Angle of view: 24.5 when used with Pentax Digital SLR cameras. 16 with *istD body. Aperture control: Automatic. Aperture range: f/2.8 f/32. Number of aperture blades: 8. Metering system: TTL open aperture metering. Minimum focus distance: 11.93 . Filter size: 49mm. Maximum magnification: Lifesize 1x. Dimensions: 2.7 W x 3.17 D. Weight: 12.3 oz. without hood. Included ; Pentax smcP D-FA 100mm f/2.8 Macro Lens. Lens hood. Storage bag. Zappos makes every attempt to provide accurate information for each electronic product. Manufacturer packaging and specifications may be different from the information provided. ; Please note, Zappos gladly accepts returns on all electronic products for up to 365 days from the original purchase date. In order to process your return and refund, returned electronic products must be unused and in the original condition and packaging in which it was purchased and include any manuals, cabling and accessories. Video Games, software, DVD and Blu-ray Disc must be returned unopened in their original shrink-wrap for a refund.