{"product_id":"metabones-speed-booster-adaptor-alpa-to-e-mount-ultra-mb-spalpa-e-bm2","title":"Metabones Speed Booster Adaptor - ALPA to E-Mount ULTRA MB_SPALPA-E-BM2","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe  \u003cspan style=\"color: #ff6600;\"\u003e\u003cem\u003e\u003cstrong\u003eALPA Lens to Sony E-Mount Camera Speed Booster ULTRA\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e from  \u003cspan style=\"color: #ff6600;\"\u003e\u003cem\u003e\u003cstrong\u003eMetabones\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e improves upon the original Metabones Speed Booster with a 5 element\/4 group optical design that incorporates ultra-high refractive index tantalum-based glass  for improved sharpness and reduced distortion and vignetting. The Speed Booster ULTRA allows a full frame ALPA lens to be mounted to an APS-C format  E-Mount camera and in doing so, increases the angle of view and increases the maximum aperture by approximately one f\/stop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"pProductHighlightUlRight\"\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003eIncreases Maximum Aperture by 1 f\/Stop\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe Speed Booster ULTRA design incorporates ultra-high index tantalum-based optical glass for enhanced optical performance with improved corner sharpness and reduced distortion and vignetting. This glass technology and optical design perform extremely well with professional-grade f\/2.8 zoom lenses and high-speed fixed focal length lenses such as a 50mm f\/1.2 which will perform as a 35.5mm f\/0.9 lens with high contrast and resolution from the center to the edges of the image.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003ePrecise fit and solid connection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe exterior features a black satin surface finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003eInfinity Focus Adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"pProductHighlightLI\"\u003e\u003cspan style=\"font-size: medium;\"\u003eDetachable Tripod Foot\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Metabones","offers":[{"title":"Default Title","offer_id":47110911262905,"sku":"122049","price":1179.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8897\/7337\/files\/8917_speed-booster-adaptor--alpa-to-e-mount-ultra.jpg?v=1778105993","url":"https:\/\/www.digidirect.com.au\/products\/metabones-speed-booster-adaptor-alpa-to-e-mount-ultra-mb-spalpa-e-bm2","provider":"digiDirect","version":"1.0","type":"link"}