{"product_id":"zwo-oag-l-larger-off-axis-guider-with-12-12-prism","title":"ZWO OAG L - Larger Off-Axis Guider with 12*12 prism","description":"\u003cp\u003eOAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography.\u003c\/p\u003e\n\u003cp\u003eTo take the most advantage of it, we recommend you to match it with large format guiding cameras.\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\n\u003cfigure id=\"attachment_5603\" aria-describedby=\"caption-attachment-5603\" class=\"wp-caption aligncenter\"\u003e\u003cimg decoding=\"async\" class=\"wp-image-5603 size-full\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051.jpg\" alt=\"OAG-L\" width=\"460\" height=\"460\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051.jpg 460w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051-150x150.jpg 150w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051-370x370.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051-120x120.jpg 120w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051-410x410.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/2e3bbca6e1c2e115d30866b8e6e32051-300x300.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 460px\"\u003e\n\u003cfigcaption id=\"caption-attachment-5603\" class=\"wp-caption-text\"\u003eOAG-L\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003col class=\"wp-block-list\"\u003e\n\u003cli\u003eLightweight and exquisite, 17.5mm thickness.\u003c\/li\u003e\n\u003cli\u003ePrism size: 12*12mm.\u003c\/li\u003e\n\u003cli\u003eThe effective light-passing aperture is 11.7mm*8.3mm.\u003c\/li\u003e\n\u003cli\u003eCan be used to connect the main camera and guide camera simultaneously. No guide telescope required.\u003c\/li\u003e\n\u003cli\u003ePackaged with an M48 sensor tilt plate (5mm).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\n\u003cfigure id=\"attachment_5605\" aria-describedby=\"caption-attachment-5605\" class=\"wp-caption aligncenter\"\u003e\u003cimg decoding=\"async\" class=\"wp-image-5605 size-full\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903.jpg\" alt=\"\" width=\"460\" height=\"460\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903.jpg 460w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903-150x150.jpg 150w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903-370x370.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903-120x120.jpg 120w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903-410x410.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/6b41da50ede111bd49660f61095ef903-300x300.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 460px\"\u003e\n\u003cfigcaption id=\"caption-attachment-5605\" class=\"wp-caption-text\"\u003eOAG-L\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eOperating Guide\u003c\/h3\u003e\n\u003col class=\"wp-block-list\" start=\"1\"\u003e\n\u003cli\u003eFor guiding, OAG-L can only work with ASI Mini cameras like ASI174MM Mini, ASI290MM Mini and ASI120MM Mini.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg decoding=\"async\" width=\"460\" height=\"460\" class=\"wp-image-5606\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558.jpg\" alt=\"\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558.jpg 460w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558-150x150.jpg 150w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558-370x370.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558-120x120.jpg 120w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558-410x410.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/a1128a99100b0dda10323aa32d120558-300x300.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 460px\"\u003e\u003c\/figure\u003e\n\u003col class=\"wp-block-list\" start=\"2\"\u003e\n\u003cli\u003eConsidering the large prism size, we don’t recommend you use OAG-L with telescopes whose clear aperture is smaller than M48.\u003c\/li\u003e\n\u003cli\u003eYet it is recommended to use with 2” EFW or 7x36mm EFW, and with APS-C cameras (ASI2600) or full-frame cameras (ASI6200\/2400). The large clear aperture supports full-frame cameras without vignetting.\u003c\/li\u003e\n\u003cli\u003eThe major differences between OAG-L and M68 OAG are about the prism size and the threads. OAG-L removed the inner threads so you can directly use the screws to connect it to other equipment.\u003c\/li\u003e\n\u003cli\u003eIf the thread of your telescope side is M48, then you don’t need to remove the M48 sensor tilt plate coming with OAG-L. On the contrary, you need to remove it and use some other sensor tilt plate at the corresponding thread of your telescope.\u003c\/li\u003e\n\u003cli\u003eWhile adding OAG-L into your optical train, please make sure the prism won’t block the camera sensor.\u003c\/li\u003e\n\u003cli\u003eYou can use the guiding screw to adjust the guiding camera’s focus length. Please make sure the distances from the prism to the main camera and to the guide camera are the same. To ensure the result, it is better to do this during the daytime for the adjustment will be very difficult at night.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eThe pictures below show how to remove the sensor tilt plate\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-large\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5593 size-full\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b.jpg\" alt=\"\" width=\"1200\" height=\"747\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-730x454.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-370x230.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-840x523.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-410x255.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-300x187.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-768x478.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/0c8262aed5badf9012562ffb9b49b98b-1024x637.jpg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\n\u003cfigure id=\"attachment_5594\" aria-describedby=\"caption-attachment-5594\" class=\"wp-caption aligncenter\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"wp-image-5594 size-full\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264.jpg\" alt=\"\" width=\"1200\" height=\"747\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-730x454.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-370x230.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-840x523.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-410x255.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-300x187.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-768x478.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/42a529cf883f134c42e814bc0a19d264-1024x637.jpg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\n\u003cfigcaption id=\"caption-attachment-5594\" class=\"wp-caption-text\"\u003eOAG-L\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eHow to adjust the position of the prism of OAG-L?\u003c\/h3\u003e\n\u003cp\u003e1. Use an M2 hex wrench to anticlockwise loosen the M4 screw in the through hole of the sensor tilt plate\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5590 size-full\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75.png\" alt=\"\" width=\"446\" height=\"224\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75.png 446w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75-370x186.png 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75-410x206.png 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75-300x151.png 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/33b1c29969a87833a6456c3331ec4b75-290x145.png 290w\" sizes=\"(max-width: 600px) 100vw, 446px\"\u003e\u003c\/figure\u003e\n\u003cp\u003e2. Pinch the prism on both sides and then pull it to the proper position.\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"458\" height=\"230\" class=\"wp-image-5591\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c.png\" alt=\"\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c.png 458w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c-370x186.png 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c-410x206.png 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c-300x151.png 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/b45a210c2ab53ee9ac09b0e8ccaa170c-290x145.png 290w\" sizes=\"(max-width: 600px) 100vw, 458px\"\u003e\u003c\/figure\u003e\n\u003cp\u003e3. Then re-tighten the M4 screw with the M2 hex wrench.\u003c\/p\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"268\" class=\"wp-image-5592\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/5da3a4a03915d97276a73b8c82168d80.png\" alt=\"\"\u003e\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eOAG-L Mechanical Diagram\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-full\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-67746\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675.jpg\" alt=\"\" width=\"1200\" height=\"600\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-730x365.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-300x150.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-768x384.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-1024x512.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-370x185.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-840x420.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/85140bf03e5491a08424460f8f8ba675-410x205.jpg 410w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/figure\u003e\n\u003ch3 class=\"wp-block-heading\"\u003eOAG-L Connection Methods\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image aligncenter size-large\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"814\" class=\"wp-image-5601\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-1024x814.jpg\" alt=\"\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-1024x814.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-730x580.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-370x294.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-840x668.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-410x326.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-300x239.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-768x611.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-1536x1221.jpg 1536w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/7249271b707a9886237ea9f3ef65a885-2048x1628.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"814\" class=\"wp-image-5602\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-1024x814.jpg\" alt=\"\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-1024x814.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-730x580.jpg 730w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-370x294.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-840x668.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-410x326.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-300x239.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-768x611.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-1536x1221.jpg 1536w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2023\/05\/f80eb73e1a71b0646259155cbe4a4580-2048x1628.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/figure\u003e\n\u003cp\u003eYou may find the M54 and M68 sensor tilt plates on the ZWO website.\u003c\/p\u003e\n\u003ch4 class=\"wp-block-heading\"\u003ePlease Note\u003c\/h4\u003e\n\u003cp\u003eWhile adding OAG-L into your optical train, please make sure the prism won’t block the camera sensor.\u003c\/p\u003e\n\u003cp\u003eYou can use the guiding screw to adjust the guiding camera’s focus length. Please make sure the distance from the prism to the main camera and to the guide camera are the same. To ensure the result, it is better to do this at daytime for the adjustment will be very difficult at night.\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":53127880900922,"sku":null,"price":21999.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/1456\/0826\/files\/6b41da50ede111bd49660f61095ef903.jpg?v=1772881285","url":"https:\/\/edisla.in\/products\/zwo-oag-l-larger-off-axis-guider-with-12-12-prism","provider":"EDISLA","version":"1.0","type":"link"}