{"product_id":"sigma-drop-in-filter-holder-for-sigma-300-600mm-f-4-sports-lens-l-mount","title":"Sigma Drop-In Filter Holder for Sigma 300-600mm f\/4 Sports Lens (L-Mount) - 1820023","description":"\u003cdiv class=\"TabOverview_description__RzPXn description-wrap col1\" id=\"ItemDescription\"\u003e\n\u003ch2\u003eSigma Drop-In Filter Holder for Sigma 300-600mm f\/4 Sports Lens (L-Mount) - 1820023\u003c\/h2\u003e\n\u003cp\u003eThe Sigma Drop-In Filter Holder is designed specifically for the Sigma 300-600mm f\/4 Sports Lens (L Mount). It allows you to easily attach and swap out 40.5mm filters, providing versatile filter options for your photography. Perfect for enhancing your images with neutral density, UV, or polarizing filters, this holder offers convenience and compatibility for professional and avid photographers alike.\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"11w2u9p\" data-start=\"32\" data-end=\"381\"\u003e\n\u003cstrong data-start=\"34\" data-end=\"80\"\u003eEssential accessory for telephoto control:\u003c\/strong\u003e Designed specifically for the \u003cstrong data-start=\"111\" data-end=\"147\"\u003eSigma 300‑600 mm F4 DG OS Sports\u003c\/strong\u003e lens (L‑Mount), this \u003cstrong data-start=\"169\" data-end=\"194\"\u003edrop‑in filter holder\u003c\/strong\u003e lets you use dedicated 40.5 mm filters inside the rear of the lens — crucial because \u003cstrong data-start=\"280\" data-end=\"311\"\u003efront filters can’t be used\u003c\/strong\u003e on this ultra‑telephoto zoom. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9alkl4\" data-start=\"382\" data-end=\"694\"\u003e\n\u003cstrong data-start=\"384\" data-end=\"416\"\u003eFlexible filtration options:\u003c\/strong\u003e Works with standard 40.5 mm circular filters and is compatible with Sigma’s \u003cstrong data-start=\"493\" data-end=\"523\"\u003eDrop‑In Circular Polarizer\u003c\/strong\u003e and \u003cstrong data-start=\"528\" data-end=\"551\"\u003eVariable ND filters\u003c\/strong\u003e (sold separately) to manage glare, reflections, and exposure without compromising optical performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tvfste\" data-start=\"695\" data-end=\"945\"\u003e\n\u003cstrong data-start=\"697\" data-end=\"727\"\u003eCompact, practical design:\u003c\/strong\u003e Rear placement keeps filters hidden and balanced, helping maintain the lens’s handling characteristics — especially useful in sports, wildlife, or long‑reach shooting scenarios. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"agdvfj\" data-start=\"946\" data-end=\"1167\"\u003e\n\u003cstrong data-start=\"948\" data-end=\"973\"\u003eSeamless integration:\u003c\/strong\u003e Fits neatly into the lens’s drop‑in slot and doesn’t affect autofocus or stabilization performance, preserving the Sports line’s pro‑grade functionality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mr9dnt\" data-start=\"1168\" data-end=\"1443\"\u003e\n\u003cstrong data-start=\"1170\" data-end=\"1205\"\u003eValue‑add for serious shooters:\u003c\/strong\u003e While simple in concept, this holder expands creative control and workflow flexibility — a smart add‑on for photographers who need on‑the‑fly filtration without bulky matte boxes or external holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"297\" data-end=\"562\"\u003e\u003cstrong data-start=\"297\" data-end=\"354\"\u003eQ: What is the Sigma Drop‑In Filter Holder (1820023)?\u003c\/strong\u003e\u003cbr data-start=\"354\" data-end=\"357\"\u003e\u003cstrong data-start=\"357\" data-end=\"363\"\u003eA:\u003c\/strong\u003e A dedicated \u003cstrong data-start=\"376\" data-end=\"401\"\u003edrop‑in filter holder\u003c\/strong\u003e designed for the Sigma 300‑600mm f\/4 DG OS Sports telephoto zoom lens, enabling the use of drop‑in filters with this lens. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"564\" data-end=\"794\"\u003e\u003cstrong data-start=\"564\" data-end=\"605\"\u003eQ: What size filters does it support?\u003c\/strong\u003e\u003cbr data-start=\"605\" data-end=\"608\"\u003e\u003cstrong data-start=\"608\" data-end=\"614\"\u003eA:\u003c\/strong\u003e Fits \u003cstrong data-start=\"620\" data-end=\"666\"\u003estandard 40.5 mm diameter circular filters\u003c\/strong\u003e, letting you add ND, CPL, or other compatible drop‑in filters to expand creative control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"1020\"\u003e\u003cstrong data-start=\"796\" data-end=\"846\"\u003eQ: Which lens and mount is it compatible with?\u003c\/strong\u003e\u003cbr data-start=\"846\" data-end=\"849\"\u003e\u003cstrong data-start=\"849\" data-end=\"855\"\u003eA:\u003c\/strong\u003e Made specifically for the \u003cstrong data-start=\"882\" data-end=\"918\"\u003eSigma 300‑600mm f\/4 DG OS Sports\u003c\/strong\u003e lens in \u003cstrong data-start=\"927\" data-end=\"938\"\u003eL‑Mount\u003c\/strong\u003e (also compatible if the lens is in Sony E). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1022\" data-end=\"1303\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1057\"\u003eQ: What benefits does it offer?\u003c\/strong\u003e\u003cbr data-start=\"1057\" data-end=\"1060\"\u003e\u003cstrong data-start=\"1060\" data-end=\"1066\"\u003eA:\u003c\/strong\u003e Allows easy insertion and use of internal filters without affecting lens balance or requiring front filter access — ideal for landscape, wildlife, and outdoor shooting with polarizers or ND filters. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1305\" data-end=\"1538\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1362\"\u003eQ: Is the sensor affected by using the filter holder?\u003c\/strong\u003e\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e\u003cstrong data-start=\"1365\" data-end=\"1371\"\u003eA:\u003c\/strong\u003e No — designed to work seamlessly with the lens’ optical path, maintaining image quality while adding creative filtering options. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_oe_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"7bb4x2\" data-start=\"104\" data-end=\"146\"\u003eStore in a dry, dust-free environment.\u003c\/li\u003e\n\u003cli data-section-id=\"prget5\" data-start=\"147\" data-end=\"215\"\u003eClean filter glass and holder with a microfiber cloth or blower.\u003c\/li\u003e\n\u003cli data-section-id=\"cpo5jk\" data-start=\"216\" data-end=\"264\"\u003eAvoid touching filter surfaces with fingers.\u003c\/li\u003e\n\u003cli data-section-id=\"530hvx\" data-start=\"265\" data-end=\"326\"\u003eAlways attach\/detach filters gently to prevent scratches.\u003c\/li\u003e\n\u003cli data-section-id=\"173l054\" data-start=\"327\" data-end=\"394\"\u003eCheck screws and locking mechanism periodically for secure fit.\u003c\/li\u003e\n\u003cli data-section-id=\"iahzan\" data-start=\"395\" data-end=\"454\"\u003eKeep spare filters in protective cases when not in use.\u003c\/li\u003e\n\u003cli data-section-id=\"191q8qv\" data-start=\"455\" data-end=\"515\" data-is-last-node=\"\"\u003eHandle carefully to avoid impact or bending of the holder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"TabOverview_features__zw1hb\" id=\"features\"\u003e\u003c\/div\u003e","brand":"Sigma","offers":[{"title":"Default Title","offer_id":46395439349910,"sku":"1820023","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/3128\/3350\/files\/Untitled-1_0000_sigma-rfh-21-filter-holder_sgaf6969_fcc4a342-039e-4e50-a17b-92a76117f160.jpg?v=1779692668","url":"https:\/\/paw-counter.com\/products\/sigma-drop-in-filter-holder-for-sigma-300-600mm-f-4-sports-lens-l-mount","provider":"Move Better Every Day","version":"1.0","type":"link"}