{"product_id":"pentax-20-40mm-f28-40-ed-da-hd-limited-silver","title":"Pentax 20-40mm f\/2.8-4.0 ED DA HD Limited Silver","description":"\n\u003cdiv class=\"parks_optable\"\u003e\n\u003cdiv class=\"summary\"\u003e\n\u003cp\u003eThe silver  \u003cstrong\u003eHD Pentax DA 20-40mm f\/2.8-4 ED Limited DC WR Lens \u003c\/strong\u003e from  \u003cstrong\u003ePentax\u003c\/strong\u003e  is a high performance standard length zoom lens for K-mount APS-C camera s. Its 35mm focal length equivalency is 30.5-61.5mm providing a versatile and practical range for wide-angle to standard length shooting. It is the first zoom lens in the Pentax Limited Series line and brings with it a durable, weather-sealed body, HD lens coating and an optical design consisting of one ED element and one super-low dispersion element.\u003c\/p\u003e\n\u003cp\u003eThe f\/2.8-4 maximum aperture enables effective low light shooting and, at the wide-angle end, control over its shallow depth of field for images that place sharp focus on the subject with a pleasing out of focus background. An in-lens direct current (DC) focus motor provides smooth and quiet autofocus action and its Quick-Shift Focus System enables rapid shift from autofocus to manual focus mode.\u003c\/p\u003e\n\u003cp\u003eThe lens barrel and the included hood are made from high-grade aluminum alloy, distance and depth of field scales are clearly marked on the barrel and a smooth rotating, knurled ring provides manual focus control. SP (Super Protect) coating on the front and rear lens elements repels dust, water and grease to help maintain peak performance.\u003c\/p\u003e\n\u003ch3\u003e30.5 to 61.5mm Focal Length Equivalency and f\/2.8 Maximum Aperture\u003c\/h3\u003e\n\u003cp\u003eWith its 2x zoom coverage of 20-40mm, this lens offers focal length coverage from 30.5 to 61.5mm in the 35mm format when mounted on a PENTAX K-series DSLR. This covers a practical set of frequently used focal lengths and is ideal as a versatile everyday lens. Its maximum aperture of f\/2.8 at the wide-angle end of the zoom is effective in low light and provides shallow depth of field focus.\u003c\/p\u003e\n\u003ch3\u003eHD Lens Coating\u003c\/h3\u003e\n\u003cp\u003eThis lens has been treated with the PENTAX-developed HD coating, a high grade, multi-layer coating that reduces unwanted reflection, allowing the user to capture high-contrast images free of flare and ghosting.\u003c\/p\u003e\n\u003ch3\u003eDC Autofocus Motor\u003c\/h3\u003e\n\u003cp\u003eShoot discreetly with in-lens, direct current (DC) Auto Focus motor operation for smooth \u0026amp; quiet performance.\u003c\/p\u003e\n\u003ch3\u003eQuick-Shift Focus System\u003c\/h3\u003e\n\u003cp\u003eThe Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.\u003c\/p\u003e\n\u003ch3\u003eWeather-Resistant Construction and Durable Aluminum Barrel\u003c\/h3\u003e\n\u003cp\u003eWith seven special seals to prevent intrusion of water, moisture and dust, this is the first lens of the \"Limited\" series to feature the PENTAX-original weather-resistant construction. With a handsome and durable aluminum alloy barrel and weather-sealing, this lens is able to perform in almost any shooting condition.\u003c\/p\u003e\n\u003ch3\u003eSP Lens Coating\u003c\/h3\u003e\n\u003cp\u003eThe PENTAX SP (Super Protect) coating on the front and rear lens elements repels dust, water and grease to keep your lens clean and your images sharp.\u003c\/p\u003e\n\u003ch3\u003eOptical Design\u003c\/h3\u003e\n\u003cp\u003eThe ED (Extra-low Dispersion) glass and a super-low dispersion glass element in this lens’ optics deliver clear, high resolution imagery with edge-to-edge sharpness, throughout the entire zoom range.\u003c\/p\u003e\n\u003ch3\u003eRounded Diaphragm Blades\u003c\/h3\u003e\n\u003cp\u003eEnhanced with a rounded nine-blade diaphragm at the wide apertures for optimal optical performance and gorgeous bokeh effects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"comp-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOffers: \n                                \n                                    \n                                        Price Drop\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOffer Category: \n                                \n                                    \n                                        Camera Lenses\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOffer Product Type: \n                                \n                                    \n                                        Pentax Lenses K mount\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutofocus: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture ring: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstant Aperture: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens CIPA Image stabilization rating: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter (mm): \n                                \n                                    \n                                        71\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (mm): \n                                \n                                    \n                                        69\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (g): \n                                \n                                    \n                                        283\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance scale: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoF scale: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements: \n                                \n                                    \n                                        9\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Sealing: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus distance limiter: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length: \n                                \n                                    \n                                        20 - 40 mm\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus method: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Thread: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull time manual: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGroups: \n                                \n                                    \n                                        8\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHood supplied: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Image stabilization: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens mount: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Materials: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum focal length: \n                                \n                                    \n                                        40\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum magnification: \n                                \n                                    \n                                        0.2\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum aperture (number): \n                                \n                                    \n                                        2.8\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum aperture (text): \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Format size: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum focal length: \n                                \n                                    \n                                        20\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Minimum focus distance (m): \n                                \n                                    \n                                        0.28\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum aperture (number): \n                                \n                                    \n                                        32\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum aperture (text): \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor type: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of diaphragm blades: \n                                \n                                    \n                                        9\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower zoom: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial elements \/ coatings: \n                                \n                                    \n                                        1 ED glass element, 1 SLD glass element, HD coating\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod collar: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens type: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWide\/Tele: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYear Of Release: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Holiday and Landscape: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Interior and Architecture: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Fashion and Portrait: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Macro and Still Life: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Astro: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Street: \n                                \n                                    \n                                        Yes\n                                    \n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For Wildlife and Sport: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZoom lock: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZoom method: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes: \n                                \n                                    N\/A\n                                \n                            \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Park Cameras","offers":[{"title":"Default Title","offer_id":54276498030805,"sku":"5241362C","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/3507\/3493\/files\/5241362C.jpg?v=1784209007","url":"https:\/\/parkcameras.store\/products\/pentax-20-40mm-f28-40-ed-da-hd-limited-silver","provider":"My Store","version":"1.0","type":"link"}