{"product_id":"arducam-4-12mm-varifocal-c-mount-lens-for-raspberry-pi-hq-camera","title":"Arducam 4-12mm Varifocal C-Mount Lens for Raspberry Pi HQ Camera","description":"\u003cp\u003eIn this review of the Arducam 4-12mm varifocal C-mount lens, the bottom line is simple: it is a compact, adjustable telephoto option for makers and developers who want precise framing with the Raspberry Pi High Quality Camera. The reviewer found the included C-CS adapter and the manual focus and aperture rings to be the most valuable features because they let users quickly adapt the camera to different scenes without swapping optics. For hobbyists, surveillance prototypers, and industrial projects needing a small, versatile lens, this lens delivers predictable, usable results.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-CS adapter included:\u003c\/strong\u003e The supplied adapter lets the Raspberry Pi High Quality Camera accept the lens immediately, removing the need for separate mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVarifocal 4-12mm:\u003c\/strong\u003e The adjustable focal length gives a wide-to-telephoto range so users can fine tune framing without changing lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual focus ring:\u003c\/strong\u003e The focus ring provides tactile control to achieve sharp images at different working distances for both close and distant subjects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture ring F1 to F16:\u003c\/strong\u003e The aperture ring enables exposure and depth-of-field control for improved image quality in varied lighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, lightweight design:\u003c\/strong\u003e At around 67.5g and small dimensions, the lens is easy to mount on rigs or small enclosures where space is limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe lens is aimed at Raspberry Pi enthusiasts, machine vision hobbyists, and small-scale surveillance or robotics projects that need a reliable, adjustable lens with a C-mount interface. Its manual controls make it well suited for experimenters who prefer hands-on optical adjustment instead of auto focus.\u003c\/p\u003e\n\u003cp\u003eThose who need built-in IR filtering, autofocus, or ultrawide prime optics should look elsewhere; this lens is a manual, compact varifocal with no IR filter included and is best when paired with a High Quality Camera module and optional mounting accessories.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVersatile 4-12mm focal range covers wide to telephoto framing without swapping lenses.\u003c\/li\u003e\n\u003cli\u003eIncluded C-CS adapter simplifies mounting to the Raspberry Pi High Quality Camera.\u003c\/li\u003e\n\u003cli\u003eManual aperture and focus rings give precise control over depth of field and sharpness.\u003c\/li\u003e\n\u003cli\u003eSmall size and 67.5g weight make it easy to integrate into compact builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo IR filter is included, so users needing infrared cut should add one separately.\u003c\/li\u003e\n\u003cli\u003eManual controls mean it is not ideal for users who require autofocus or remote aperture control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eC-mount (C-CS adapter included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length\u003c\/td\u003e\n\u003ctd\u003e4-12mm varifocal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of view (H)\u003c\/td\u003e\n\u003ctd\u003e87.2-39 (on unspecified format), 80-32 on 1\/2.3 IMX477\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003eF1 to F16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical format\u003c\/td\u003e\n\u003ctd\u003e1\/2 lens optical format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33 x 43mm (approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e67.5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Arducam 4-12mm varifocal C-mount lens is a practical, value-oriented choice for Raspberry Pi High Quality Camera users who need manual control and a compact telephoto range. It is particularly good for prototyping, surveillance, and robotics where size and adjustability matter, though photographers who need autofocus or IR filtering will need additional accessories.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this lens fit the Raspberry Pi High Quality Camera?\u003c\/strong\u003e\u003cbr\u003eThe lens fits via the included C-CS adapter so it can be mounted directly to the High Quality Camera module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs an IR filter included?\u003c\/strong\u003e\u003cbr\u003eNo, this lens does not come with an IR filter; add an IR cut filter separately if required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the focal length and aperture be adjusted?\u003c\/strong\u003e\u003cbr\u003eYes, the lens has a 4-12mm varifocal range plus manual focus and an aperture ring from F1 to F16 for fine control.\u003c\/p\u003e","brand":"Arducam","offers":[{"title":"Default Title","offer_id":48662885138651,"sku":"B088GTLJC6","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61TFYsZr3JL._AC_SL1500.jpg?v=1778641858","url":"https:\/\/gearmusthave.com\/products\/arducam-4-12mm-varifocal-c-mount-lens-for-raspberry-pi-hq-camera","provider":"GearMustHave","version":"1.0","type":"link"}