{"product_id":"adjustable-iris-aperture-m30-to-m37-adapter-smooth-aperture-control","title":"Adjustable Iris Aperture M30 to M37 Adapter - Smooth Aperture Control","description":"\u003cp\u003eIn this review of the Adjustable Iris Aperture M30 to M37 Adapter, the bottom line is simple: this is a compact, mechanically robust adapter for photographers and night-vision users who need precise, manual aperture control. It suits anyone reversing lenses or attaching optics to PVS-14 style devices and other equipment where an adjustable diaphragm between 1.5mm and 26mm is useful. The review focuses on real-world operation, build quality, and the included accessories that make it a convenient, ready-to-use module.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable iris aperture:\u003c\/strong\u003e The diaphragm ranges from 1.5mm to 26mm so users can fine tune depth of field and light transmission for a variety of lenses and lighting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM30 to M37 size compatibility:\u003c\/strong\u003e The adapter supports thread sizes m30 to m37 to bridge common lens and night-vision mounting needs without permanent modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple operation:\u003c\/strong\u003e A manual handle lets you change the aperture quickly and precisely, making adjustments intuitive in the field or on a bench.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged materials:\u003c\/strong\u003e Constructed from aviation metal, the adapter delivers a solid feel and reliable mechanical performance during repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e The set includes two PVS14 adjustable iris adapters plus two 37mm MC UV filters, two 37mm lens covers, and two cleaning cloths, so you get immediate protection and maintenance items.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis adapter is aimed at enthusiasts and professionals who need a small, mechanical solution to control aperture when reversing lenses or integrating optics with night vision devices like PVS-14 units. It is especially useful for experimental photographers, optics hobbyists, and technicians who value manual, tactile control and durable construction.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require electronic iris control, fully weather-sealed lenses, or guaranteed compatibility with nonstandard or newer night-vision models where thread fit may differ. Some customers reported mixed fit with PVS-15 style equipment, so check threads before assuming compatibility.\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\u003eSolid aviation metal construction gives a dependable, durable feel in repeated use.\u003c\/li\u003e\n\u003cli\u003eSmooth aperture adjustment via the handle allows precise control from 1.5mm to 26mm.\u003c\/li\u003e\n\u003cli\u003eIncluded accessories (37mm MC UV filters, covers, cleaning cloths) make the kit ready to use and protect optics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFit is mixed for some users; compatibility with PVS-15 or other nonstandard devices may require verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eAdjustable iris diaphragm adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture range\u003c\/td\u003e\n\u003ctd\u003e1.5mm - 26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread sizes\u003c\/td\u003e\n\u003ctd\u003eM30 to M37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAviation metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003e2x PVS14 adjustable iris, 2x 37mm MC UV filter, 2x 37mm cover, 2x cleaning cloth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eLens reversing, PVS-14 and compatible optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Adjustable Iris M30 to M37 adapter is a practical, well-built option for anyone needing manual aperture control between 1.5mm and 26mm, especially for lens reversing and PVS-14 style setups. With solid materials and useful included accessories it represents good value for users who accept manual operation and confirm thread compatibility beforehand.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit PVS-14 night vision devices?\u003c\/strong\u003e\u003cbr\u003eYes, the product is designed for PVS-14 style devices; measure threads to confirm fit before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the aperture be adjusted while mounted?\u003c\/strong\u003e\u003cbr\u003eYes, the handle provides easy manual adjustment of the diaphragm while mounted for on-the-fly exposure and depth-of-field changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat accessories are included?\u003c\/strong\u003e\u003cbr\u003eThe kit includes two adapters, two 37mm MC UV filters, two 37mm lens protective covers, and two cleaning cloths.\u003c\/p\u003e","brand":"FotoAene","offers":[{"title":"Default Title","offer_id":48626145722587,"sku":"B0CYZGWTX6","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71DQ0_eEO9L._AC_SL1500.jpg?v=1778477362","url":"https:\/\/gearmusthave.com\/products\/adjustable-iris-aperture-m30-to-m37-adapter-smooth-aperture-control","provider":"GearMustHave","version":"1.0","type":"link"}