{"id":6845,"date":"2017-05-23T16:00:27","date_gmt":"2017-05-23T21:00:27","guid":{"rendered":"https:\/\/jtechphotonics.com\/?post_type=product&p=6845"},"modified":"2025-08-20T06:56:13","modified_gmt":"2025-08-20T12:56:13","slug":"high-resolution-ar-coated-lens","status":"publish","type":"product","link":"https:\/\/jtechphotonics.com\/?product=high-resolution-ar-coated-lens","title":{"rendered":"High Resolution AR Coated Lens"},"content":{"rendered":"

This lens is for 7W, 4.2W, and 2.8W lasers ONLY<\/h2>\n

This lens will give a more “round” spot to the laser and a reduction in the overall laser spot size. \u00a0It will be at the cost of a slight reduction in overall power, but the power density will be about the same as the high efficiency lens. \u00a0This will give you very high precision in your photo engravings! \u00a0Especially on the >4.2W lasers, the spot size is will shrink the long axis and expand the short axis to give a better burn pattern when engraving and cutting. \u00a0Note that this lens requires more distance from the work surface than the normal High Efficiency lens that comes standard on our lasers.<\/p>\n

Factory Set Focus installed on open laser:\u00a0 \u00a0 1.5″ from the work surface
\nFactory Set Focus installed on shrouded:\u00a0 \u00a0 \u00a0 1\/8″ from the work surface<\/p>\n

Recommended Focus Height: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1.5\u2033
\nMaximum Focus for best results: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3\u201d (76mm).
\nLens Holder Length: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a010mm
\nLens Holder Diameter: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a09mm<\/p>\n

If you need a longer focal length option, choose the “long length” in the options section. The longer option will extend the maximum focus to 5″.<\/p>\n

 <\/p>\n

For full details on lens comparisons see the blog post:<\/p>\n

Lens Comparisons Blog Post<\/a><\/strong><\/em><\/h3>\n

\"Lens<\/p>\n

[hr]<\/p>\n

\"3_8W<\/p>\n

[hr]\"2_8W<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

This lens is for 7W, 4.2W, and 2.8W lasers ONLY<\/h2>\n

This lens will create a smaller and more “rounded” beam to the laser giving a higher resolution spot. \u00a0While this is not as noticeable on the smaller wattage lasers, it can be a significant improvement for >3.8W lasers when engraving and cutting. This is the only lens we recommend on the 7W lasers.<\/p>\n

Both lenses can be interchanged.\u00a0 This lens will work with the magnet shroud.<\/p>\n

Recommended Focus Height:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.5\u2033 to 3\u2033 (26mm to 150mm)
\nMaximum Focus for best results: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3\u201d (150mm).
\nLens Holder Length: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a012mm
\nLens Holder Diameter: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a09mm<\/p>\n","protected":false},"featured_media":6846,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":""},"product_brand":[],"product_cat":[42],"product_tag":[],"class_list":{"0":"post-6845","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accessories","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable","14":"has-default-attributes"},"composite_virtual":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"yoast_head":"\nHigh Resolution AR Coated Lens - J Tech Photonics, Inc.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jtechphotonics.com\/?product=high-resolution-ar-coated-lens\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Resolution AR Coated Lens\" \/>\n<meta property=\"og:description\" content=\"This lens is for 7W, 4.2W, and 2.8W lasers ONLY This lens will create a smaller and more "rounded" beam to the laser giving a higher resolution spot. \u00a0While this is not as noticeable on the smaller wattage lasers, it can be a significant improvement for >3.8W lasers when engraving and cutting. This is the only lens we recommend on the 7W lasers. Both lenses can be interchanged.\u00a0 This lens will work with the magnet shroud. Recommended Focus Height:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.5\u2033 to 3\u2033 (26mm to 150mm) Maximum Focus for best results: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 3\u201d (150mm). Lens Holder Length: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a012mm Lens Holder Diameter: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a09mm\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jtechphotonics.com\/?product=high-resolution-ar-coated-lens\" \/>\n<meta property=\"og:site_name\" content=\"J Tech Photonics, Inc.\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-20T12:56:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/jtechphotonics.com\/wp-content\/uploads\/2017\/05\/High-Resolution-Lens-Highlight-2-sm-800.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jtechphotonics.com\/?product=high-resolution-ar-coated-lens\",\"url\":\"https:\/\/jtechphotonics.com\/?product=high-resolution-ar-coated-lens\",\"name\":\"High Resolution AR Coated Lens - 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