{"product_id":"amscope-sm03-0-3x-super-widefield-barlow-lens-for-sm-sw-series-more","title":"AmScope SM03 0.3X Super Widefield Barlow Lens for SM\/SW Series - More","description":"\u003cp\u003eIn this review the AmScope SM03 0.3X Super Widefield Barlow lens is evaluated as a practical accessory for users who need extra working distance and a wider field of view on SM and SW series stereo microscopes. The bottom line: it is a simple, well-made auxiliary objective that reliably halves magnification while doubling working distance and field of view, making it best for inspection, assembly, and photography tasks where space above the specimen matters.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.3X Reduction:\u003c\/strong\u003e Cuts the microscope's magnification power roughly in half to allow a broader, easier-to-navigate view of larger specimens and assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Working Distance:\u003c\/strong\u003e Doubles the distance between the objective and the subject so there is more room for tools, lighting, or manipulation during inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Field of View:\u003c\/strong\u003e Expands the visible area so operators can track larger features without constantly repositioning the specimen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-7\/8 in Mounting Thread:\u003c\/strong\u003e Uses a 48mm mounting diameter designed to fit SM and SW series stereo microscopes for straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Objective Design:\u003c\/strong\u003e Functions as a Barlow lens to adapt existing stereo heads rather than replacing primary objective lenses, keeping the original optics intact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe SM03 0.3X Barlow is aimed at technicians, hobbyists, and educators using AmScope SM or SW series stereo microscopes who need extra clearance above samples for soldering, component placement, or manipulation with tools. It is especially useful in electronics repair, small-part assembly, entomology and specimen staging where a wider view and more working room speed up tasks.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for users who require higher magnification or fine-detail imaging at maximum resolution; if your work depends on the highest possible magnification, you should use the primary objectives without the 0.3X Barlow.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffectively doubles working distance, making physical access to the specimen much easier during hands-on tasks.\u003c\/li\u003e\n\u003cli\u003eWider field of view reduces the need to move the stage for larger subjects, improving workflow efficiency.\u003c\/li\u003e\n\u003cli\u003eSimple 48mm mounting thread installs on compatible SM and SW stereo microscope heads without modifying the system.\u003c\/li\u003e\n\u003cli\u003eAuxiliary design preserves the existing objective set and can be swapped in when a broader view is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces magnification by about half, so it is not suitable when maximum detail or the highest magnifications are required.\u003c\/li\u003e\n\u003cli\u003eCompatibility is limited to SM and SW series stereo microscopes with the specified 1-7\/8 in mounting size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSM03 0.3X Super Widefield Barlow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eAuxiliary objective \/ Barlow lens (0.3X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffect\u003c\/td\u003e\n\u003ctd\u003eDoubles working distance and field of view; halves magnification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Size\u003c\/td\u003e\n\u003ctd\u003e1-7\/8 in (48mm) thread diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Series\u003c\/td\u003e\n\u003ctd\u003eSM and SW series stereo microscopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand new\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetail Value\u003c\/td\u003e\n\u003ctd\u003e$180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SM03 0.3X Super Widefield Barlow is a practical, value-minded add-on for anyone using SM or SW series stereo microscopes who needs more working distance and a broader field of view. It delivers the specific optical trade-off it promises - sacrificing magnification for access and coverage - and is a useful tool for inspection, assembly, and teaching applications where space and situational awareness matter.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my stereo microscope?\u003c\/strong\u003e\u003cbr\u003eIt fits AmScope SM and SW series stereo microscopes with a 1-7\/8 in (48mm) mounting thread; confirm your head uses the same diameter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it change magnification?\u003c\/strong\u003e\u003cbr\u003eThe 0.3X Barlow reduces magnification to about half of the current objective setting while increasing working distance and field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it reversible or permanent?\u003c\/strong\u003e\u003cbr\u003eIt is an auxiliary objective that installs via the mounting thread and can be removed when you need standard magnification and working distance.\u003c\/p\u003e","brand":"AmScope","offers":[{"title":"Default Title","offer_id":48654171046107,"sku":"B009VUP3R0","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/619rUDzsPOL._AC_SL1355.jpg?v=1778743116","url":"https:\/\/gearmusthave.com\/products\/amscope-sm03-0-3x-super-widefield-barlow-lens-for-sm-sw-series-more","provider":"GearMustHave","version":"1.0","type":"link"}