{"product_id":"bresser-30mm-plan-eyepiece","title":"Bresser 30 mm Plan Eyepiece","description":"\u003cp\u003eA 15x or 20x plan eyepiece with a 30 mm barrel, for any microscope whose eyepiece tubes take that size. Plan means the eyepiece is corrected for a flat field, so the picture stays sharp at the edge of the circle as well as the centre, which Bresser pairs with better overall image quality. It's a way of raising the magnification of a stereo microscope without touching the objectives.\u003c\/p\u003e\n\u003cp\u003eBresser's examples of a fit are the Analyth ICD and the Science ETD-101. Its other 30 mm eyepieces are listed for the \u003ca href=\"\/products\/bresser-science-etd-201-8-50x-trinocular-zoom-stereo-microscope\" title=\"Bresser Science ETD-201 8-50x trinocular zoom stereo microscope\"\u003eScience ETD-201\u003c\/a\u003e and the Science TFM-201, TFM-301 and Infinity, so measure your tube or check the manual before ordering. A binocular head needs two, and each sells singly.\u003c\/p\u003e\n\u003cp\u003eIt's black aluminium. Our \u003ca href=\"\/blogs\/guides\/microscope-magnification-explained\" title=\"Microscope magnification explained\"\u003eguide to magnification\u003c\/a\u003e explains why swapping a 10x eyepiece for a 20x enlarges the picture without adding detail, and the rest of the eyepieces are in \u003ca href=\"\/collections\/microscope-accessories\" title=\"Microscope accessories\"\u003emicroscope accessories\u003c\/a\u003e.\u003c\/p\u003e","brand":"Bresser","offers":[{"title":"15x","offer_id":68045010338156,"sku":"5942115","price":59.99,"currency_code":"GBP","in_stock":false},{"title":"20x","offer_id":68045010370924,"sku":"5942120","price":59.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5966\/2956\/files\/5942115_M_1.da5c245f_1920x1920_5825df68-b1fa-43af-be50-32d7798ade97.avif?v=1793577289","url":"https:\/\/scopeandfield.com\/products\/bresser-30mm-plan-eyepiece","provider":"Scope \u0026 Field","version":"1.0","type":"link"}