{"product_id":"sfe-auto-teleconverter-2x-ka","title":"SFE Auto Teleconverter 2× (KA) – Pentax K-A Lens Accessory","description":"\u003ch2\u003eSFE Auto Teleconverter 2× (KA)\u003c\/h2\u003e\u003cp\u003eA 2× teleconverter for extending the reach of compatible Pentax K-system lenses. Installed between the camera body and lens, it doubles the effective focal length while retaining mechanical aperture coupling on compatible equipment.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2× focal-length multiplication\u003c\/li\u003e\n\u003cli\u003ePentax K-A \/ KA mount designation\u003c\/li\u003e\n\u003cli\u003eFits between camera body and compatible lens\u003c\/li\u003e\n\u003cli\u003eTypically reduces effective light by approximately two stops\u003c\/li\u003e\n\u003cli\u003eApproximate catalog weight: 200g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility and condition\u003c\/h3\u003e\u003cp\u003eThe KA designation indicates Pentax K-A compatibility, but individual lenses and camera bodies can have mechanical limitations. Autofocus is not assumed; check rear elements, aperture levers and physical clearance before use.\u003c\/p\u003e\u003cp\u003eReview the product photographs carefully and confirm compatibility with your camera and lens before purchase.\u003c\/p\u003e\u003ch3\u003eChoose your accessory\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIn Stock – Photographed Accessory:\u003c\/strong\u003e the exact item shown, available as one piece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePre-Order – Sourced for You:\u003c\/strong\u003e another compatible example sourced after purchase; appearance and sourcing time can vary.\u003c\/p\u003e\u003ch3\u003eBuild your analogue kit\u003c\/h3\u003e\u003cp\u003eBrowse compatible bodies in our \u003ca href=\"https:\/\/photostudioberlin.com\/collections\/cameras\"\u003ecamera collection\u003c\/a\u003e, discover more \u003ca href=\"https:\/\/photostudioberlin.com\/collections\/accessories\"\u003eanalogue accessories\u003c\/a\u003e, or load your camera with a fresh \u003ca href=\"https:\/\/photostudioberlin.com\/collections\/film-rolls-35mm\"\u003e35mm film roll\u003c\/a\u003e. Please confirm mount or filter-thread compatibility before ordering.\u003c\/p\u003e","brand":"SFE","offers":[{"title":"现货－实拍配件","offer_id":54023038697809,"sku":"BPS-ACC-SFE-2X-KA-INSTOCK","price":29.0,"currency_code":"EUR","in_stock":true},{"title":"预订－为你代购","offer_id":54346884350289,"sku":"BPS-ACC-SFE-2X-KA-PREORDER","price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/0436\/6417\/files\/30012026-EVT_7938.jpg?v=1781112758","url":"https:\/\/photostudioberlin.com\/zh\/products\/sfe-auto-teleconverter-2x-ka","provider":"Photo Studio Berlin","version":"1.0","type":"link"}