{"product_id":"nikon-nikkor-18mm-f3-5-ai-s","title":"Nikon Nikkor 18mm F3.5 Ai-S","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eNikon Nikkor 18mm F3.5 Ai-S\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eLens Type:\u003c\/b\u003e Ultra-Wide Angle Manual Focus Prime Lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eFocal Length:\u003c\/b\u003e 18mm (มุมมองกว้างถึง \u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"35\"\u003e100°\u003c\/b\u003e บนฟูลเฟรม)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eMaximum Aperture:\u003c\/b\u003e f\/3.5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eMinimum Aperture:\u003c\/b\u003e f\/22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003eLens Mount:\u003c\/b\u003e \u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"12\"\u003eNikon F Mount (Ai-S)\u003c\/b\u003e — รองรับระบบวัดแสง Indexing บนกล้องฟิล์มและ DSLR Nikon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"0\"\u003eFormat Coverage:\u003c\/b\u003e 35mm Full-Frame (FX) และ APS-C (DX)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,6,0\"\u003e\u003cb data-path-to-node=\"5,6,0\" data-index-in-node=\"0\"\u003eFocus Type:\u003c\/b\u003e Manual Focus (หมุนโฟกัสด้วยมือ พร้อมแหวนโฟกัสโลหะนุ่มนวล)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,7,0\"\u003e\u003cb data-path-to-node=\"5,7,0\" data-index-in-node=\"0\"\u003eFocusing Correction:\u003c\/b\u003e \u003cb data-path-to-node=\"5,7,0\" data-index-in-node=\"21\"\u003eCRC (Close Range Correction)\u003c\/b\u003e — ระบบโฟกัสแบบจัดกลุ่มเลนส์ลอยเพื่อรักษาความคมชัดในระยะใกล้\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,8,0\"\u003e\u003cb data-path-to-node=\"5,8,0\" data-index-in-node=\"0\"\u003eMinimum Focus Distance:\u003c\/b\u003e \u003cb data-path-to-node=\"5,8,0\" data-index-in-node=\"24\"\u003e0.25 m (25 cm \/ 0.85 ft)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,9,0\"\u003e\u003cb data-path-to-node=\"5,9,0\" data-index-in-node=\"0\"\u003eMaximum Magnification:\u003c\/b\u003e \u003cb data-path-to-node=\"5,9,0\" data-index-in-node=\"23\"\u003e0.11× (1:9.1)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,10,0\"\u003e\u003cb data-path-to-node=\"5,10,0\" data-index-in-node=\"0\"\u003eOptical Construction:\u003c\/b\u003e 11 Elements in 10 Groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,11,0\"\u003e\u003cb data-path-to-node=\"5,11,0\" data-index-in-node=\"0\"\u003eDiaphragm Blades:\u003c\/b\u003e 7 Blades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,12,0\"\u003e\u003cb data-path-to-node=\"5,12,0\" data-index-in-node=\"0\"\u003eCoating:\u003c\/b\u003e Nikon Integrated Coating (NIC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,13,0\"\u003e\u003cb data-path-to-node=\"5,13,0\" data-index-in-node=\"0\"\u003eFilter Thread Size:\u003c\/b\u003e \u003cb data-path-to-node=\"5,13,0\" data-index-in-node=\"20\"\u003e72 mm\u003c\/b\u003e (พร้อมวงแหวนฟิลเตอร์ด้านหน้าที่ไม่หมุนตามการโฟกัส)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,14,0\"\u003e\u003cb data-path-to-node=\"5,14,0\" data-index-in-node=\"0\"\u003eLens Hood:\u003c\/b\u003e HK-9 Slip-on Hood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,15,0\"\u003e\u003cb data-path-to-node=\"5,15,0\" data-index-in-node=\"0\"\u003eDimensions:\u003c\/b\u003e Approx. \u003cb data-path-to-node=\"5,15,0\" data-index-in-node=\"20\"\u003e75 × 62.5 mm\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,16,0\"\u003e\u003cb data-path-to-node=\"5,16,0\" data-index-in-node=\"0\"\u003eWeight:\u003c\/b\u003e Approx. \u003cb data-path-to-node=\"5,16,0\" data-index-in-node=\"16\"\u003e350 g\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14,0\"\u003eThe \u003cb data-path-to-node=\"14,0\" data-index-in-node=\"4\"\u003eNikon Nikkor 18mm F3.5 Ai-S\u003c\/b\u003e is a classic ultra-wide-angle manual focus prime lens celebrated for its rugged precision engineering and exceptional optical performance. Produced from 1982 through 2005, it replaced the earlier 18mm f\/4 Ai lens, introducing a brighter maximum aperture, an improved optical construction, and a standard \u003cb data-path-to-node=\"14,0\" data-index-in-node=\"336\"\u003e72mm front filter thread\u003c\/b\u003e to minimize corner vignetting.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,1\"\u003eOffering a dramatic \u003cb data-path-to-node=\"14,1\" data-index-in-node=\"20\"\u003e100-degree picture angle\u003c\/b\u003e on 35mm full-frame format, this lens is ideal for landscape, interior, and architectural photography. Optically built with \u003cb data-path-to-node=\"14,1\" data-index-in-node=\"168\"\u003e11 elements in 10 groups\u003c\/b\u003e, it features Nikon’s \u003cb data-path-to-node=\"14,1\" data-index-in-node=\"214\"\u003eClose Range Correction (CRC)\u003c\/b\u003e floating-element system, ensuring superior sharpness, high contrast, and minimal aberration even when focused down to its \u003cb data-path-to-node=\"14,1\" data-index-in-node=\"365\"\u003e0.25m minimum focusing distance\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,2\"\u003eFeaturing a durable all-metal barrel, smooth fluid focusing action, an Ai-S aperture coupling ridge, and a 7-blade diaphragm, the Nikkor 18mm F3.5 Ai-S remains a prized vintage ultra-wide optic for both modern mirrorless shooters (via adapter) and traditional Nikon F-mount film photography enthusiasts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 191888\u003cbr\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e UN-121-1539\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e:\u003cbr\u003e- Front lens cap and rear lens cap included\u003cbr\u003e- Lens glass has no fungus, thin haze, and minor dust\u003cbr\u003e- Lens body has moderate scratches\u003cbr\u003e\u003cbr\u003e- เลนส์ มีฝ้าบางๆ ไม่มีรา มีฝุ่นเล็กน้อย \u003cbr\u003e- มีฝาหน้า-หลัง\u003cbr\u003e- Body มีรอยขีดข่วนปานกลาง\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"CAMERA SHOP UNIT","offers":[{"title":"Default Title","offer_id":46324958232620,"sku":"UN-121-1539","price":12000.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0082\/0654\/9051\/files\/IMG_20260826_151004.jpg?v=1790945754","url":"https:\/\/unit-filmcamera.com\/th\/products\/nikon-nikkor-18mm-f3-5-ai-s","provider":"UNIT CAMERA SHOP | BKK","version":"1.0","type":"link"}