{"product_id":"tamron-20-40mm-f-2-8-di-iii-vxd-lens-nikon-z","title":"Objectif Tamron 20-40 mm f\/2,8 Di III VXD (Nikon Z)","description":"\u003cp\u003e\u003cstrong\u003eTamron 20-40mm f\/2.8 Di III VXD Lens (Nikon Z)\u003c\/strong\u003e is a full-frame mirrorless lens for Nikon Z-mount cameras, covering a 20 to 40mm focal length range with a constant maximum aperture of f\/2.8. Its optical design uses 12 elements in 11 groups, and it offers autofocus along with a 1:3.8 macro reproduction ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstant f\/2.8 Maximum Aperture\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe lens maintains a maximum aperture of f\/2.8 across the entire 20 to 40mm zoom range, so the widest available aperture does not change as the focal length is adjusted. The aperture can be stopped down to a minimum of f\/22, and the iris is formed by 9 blades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e20 to 40mm Focal Length Range\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe zoom range spans 20mm at the wide end to 40mm at the long end. The lens is designed for full-frame coverage and mounts on Nikon Z cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMacro Reproduction and Close Focusing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe minimum focus distance is 6.7\" \/ 17 cm, and the lens provides a 1:3.8 macro reproduction ratio, equivalent to 0.26x magnification. This allows close-up capture at the specified minimum focusing distance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAutofocus and Optical Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFocus is driven by an autofocus system. The optical path consists of 12 elements arranged in 11 groups, a configuration that supports the lens's focal length range and close-focusing capability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions and Filter Thread\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe lens measures 2.9 x 3.5\" \/ 74\u003c\/p\u003e","brand":"Tamron","offers":[{"title":"Default Title","offer_id":67665831919985,"sku":"A062Z700","price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0062\/3414\/4871\/files\/tamron_a062z700_20_40mm_f_2_8_di_iii_2004014_5469a38a-a959-4942-9ec7-d5b470b4f19d.jpg?v=1791477578","url":"https:\/\/excellentphoto.ca\/fr\/products\/tamron-20-40mm-f-2-8-di-iii-vxd-lens-nikon-z","provider":"ExcellentPhoto","version":"1.0","type":"link"}