{"type":"product","schema_version":"1.0","item_id":"100270282713","canonical_url":"https://tw.bid.yahoo.com/item/100270282713","title":"幸運草@Fourth EYE 可調ND減光鏡 濾鏡 過濾光線 專業濾鏡 ND2-ND400 37mm拍日蝕 日環蝕 日食","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-30T18:19:45.796Z","current_price":250,"original_price":null,"stock_status":"in_stock","available_quantity":999,"sold_quantity":20,"seller":{"id":"Y0590126827","name":"彰化市幸運草攝影器材","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/e114f616-d015-446e-9076-25c357b6004b.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/73e86619-b098-4dd7-b6b7-2af12b1324d5.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/2c72c1fd-7dc8-410d-b106-b770e5fc7b93.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"商品規格：\n內容物：可調式 ND減光鏡 (盒裝 )\n品牌 : Fourth Eye\n\n型號 : ND2-400\n\n名稱 : 超薄減光鏡2-400\n\n鏡框 : 超薄鏡框\n\n鏡框厚度 : 1.40mm\n\n鏡片高度 : 7.00mm\n\n鏡片材質 : 進口光學玻璃\n\n鏡框材質 : 航空鋁\n\n鏡片壓簧 : 無縫壓入式\n\n口徑:37mm/40.5mm/43mm/\n46mm/49mm/52mm/55mm/\n58mm/62mm/67mm/72mm/77mm/82mm\n\n商品特色 ：\n可調式 ND2 ~ ND400 ND減光鏡\nND-2：約可減1級光圈和50%的光量\nND-4：約可減2級光圈和75%的光量\nND-8：約可減3級光圈和87.5 %的光量\nND-400：約可減9級光圈的光量，適用於白天長時間暴光和拍攝太陽\n需要低快門速度時（在白天拍攝需長時間曝光的動感或連續畫面）\n需要控制感光度時（在室外非常明亮的環境，ND2-ND400減光鏡能保持需要的曝光）\n需防止攝像機過曝時（使用此鏡片避免攝像時最小光圈還是出現過曝的情況）\n需淺化景深拍攝時（在大光圈下，通過模糊背景突出主題的效果）\n\n商品說明：\n外環上列印有“Min”（最亮）和“Max”（最暗）的標記，這就是ND鏡的調整區間，它們中間有ND定位點，這些標點是用來幫助準確設定減光程度。 \n如在超廣角範圍+大光圈，調至 Max 有\"十\"字光斑，只要稍微把濾鏡暗度轉回來一點(朝Min方向)即可。\n比方說，在野外進行水流拍攝的時候，我們希望用1秒鐘的快門來讓水流呈現出棉絮狀的柔軟質感。 但是由於光線強烈，即使用相機的最小光圈和最低iso拍攝，快門速度依然在1/30秒左右。 這個時候唯一的辦法就是用一塊甚至兩塊ND8鏡片來減弱進入鏡頭的光線。\n推算公式：\n未裝ND鏡時，正常曝光的快門速度是 \" T \"\n\" x \" 就是ND鏡片後面標註的那個數字，ND4的話 x=4，ND8的話 x=8\n裝上ND鏡時，在同樣的光線、光圈、iso下，正常曝光的快門速度為 T*x","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092103913","category_name":"減光鏡","breadcrumb":[{"id":"2092077887","name":"相機、攝影與周邊","url":"/tw/%E7%9B%B8%E6%A9%9F%E3%80%81%E6%94%9D%E5%BD%B1%E8%88%87%E5%91%A8%E9%82%8A-2092077887-category.html"},{"id":"2092076101","name":"相機周邊配件","url":"/tw/%E7%9B%B8%E6%A9%9F%E5%91%A8%E9%82%8A%E9%85%8D%E4%BB%B6-2092076101-category.html"},{"id":"2092103911","name":"濾鏡/偏光鏡/UV鏡","url":"/tw/%E6%BF%BE%E9%8F%A1-%E5%81%8F%E5%85%89%E9%8F%A1-UV%E9%8F%A1-2092103911-category.html"},{"id":"2092103913","name":"減光鏡","url":"/tw/%E6%B8%9B%E5%85%89%E9%8F%A1-2092103913-category.html"}],"view_count":2,"watch_count":4,"hashtags":["超薄框","減光鏡","可調ND"]}