{"product_id":"takahashi-2x-ortho-barlow-lens-tka00598","title":"Takahashi 2X Ortho Barlow Lens (TKA00598)","description":"\u003ch2\u003eTakahashi 2X Ortho Barlow Lens \u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHave you ever longed to push your observation power further without sacrificing image quality?\u003c\/strong\u003e The new 2x Ortho Barlow shatters the stereotype of barlow lenses degrading clarity. It takes exploration to a whole new level, extending focal length with \u003cstrong\u003ezero added aberrations\u003c\/strong\u003e, thanks to its innovative design paired with your existing aberration-free objective lens.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing the \"Ortho\" of a new era:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnprecedented Sharpness:\u003c\/strong\u003e This barlow doesn't just magnify, it amplifies your view. Witness stunning central and peripheral details, exceeding even the expectations of our highly anticipated TPL series eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAiry Disks Across the Field:\u003c\/strong\u003e Gone are the days of compromised edges. In conjunction with the TOA tube and TPL-6mm eyepiece, even the slightest peripheral imperfections vanish, revealing star images within the Airy disk across the entire field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChromatic Aberration? Not Here:\u003c\/strong\u003e Bid farewell to color fringing. The 2x Ortho Barlow cancels out the TOA's subtle chromatic aberration, delivering pure, clear star points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility Redefined:\u003c\/strong\u003e Beyond 31.7mm sleeves, an M42 P0.75 T-ring screw expands your horizons, welcoming other attachments for diverse imaging needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotographic Prowess:\u003c\/strong\u003e Forget the past. This barlow surpasses its predecessor in both central image chromatic aberration and peripheral coma, ensuring exceptional astrophotography results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Switching:\u003c\/strong\u003e Experience smooth transitions. The parfocal design maintains focus even with the barlow in play.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and Convenient:\u003c\/strong\u003e For effortless zenith mirror usage, this short barlow comes with a 31.7AD adapter, letting you double your magnification on the fly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"des\" class=\"tab_content\"\u003e\n\u003cp\u003eThe magnification ratio of the Takahashi Ortho 2x Barlow lens varies as a function of the distance to the lens to the formula m = 2 + 0.0121 x b, where m is the magnification and b is the distance between the end of the T thread and the surface of the sensor (or entrance diaphragm in the case of an eyepiece).\u003c\/p\u003e\n\u003cp\u003eFor a ZWO planetary camera with a backfocus length of 17.5 mm, the value of b is 12.5 mm (the T-thread is 5 mm long). So, according to the formula above, the magnification is 2.15.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eThe 2x Ortho Barlow is more than just a lens; it's a gateway to a world of uncompromised astronomical clarity. Dive deeper into the cosmos, rediscover the thrill of seeing farther, and witness stars like never before.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications \u003c\/h3\u003e\n\u003ctable width=\"450\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit; font-weight: inherit;\" width=\"225\"\u003eCHARACTERISTIC\u003c\/td\u003e\n\u003ctd style=\"font-style: inherit; font-weight: inherit;\" width=\"225\"\u003eTAKAHASHI ORTHO 2X BARLOW LENS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eItem number\u003c\/td\u003e\n\u003ctd\u003eTKA00598\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eDesign\u003c\/td\u003e\n\u003ctd\u003e2 lenses in 1 group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eMagnification\u003c\/td\u003e\n\u003ctd\u003e2x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eInput mechanical interface\u003c\/td\u003e\n\u003ctd\u003e1.25\" (31.75 mm) male barrel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eOutput mechanical interface\u003c\/td\u003e\n\u003ctd\u003e1.25\" (31.75 mm) female barrel + T-thread (M42x0.75) male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eDiameter 46 mm, length 91 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-style: inherit;\"\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e130 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIn the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTakahashi 2X Ortho Barlow Lens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eManual \u0026amp; Warranty \u003c\/h3\u003e\n\u003cp\u003eTakahashi 5-Years Warranty\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Takahashi","offers":[{"title":"Default Title","offer_id":49142069690522,"sku":"ahr1787937847386","price":111.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/9541\/9290\/files\/takahashi-2x-ortho-barlow-lens-tka00598_1.png?v=1787937853","url":"https:\/\/www.gentlemarket.shop\/products\/takahashi-2x-ortho-barlow-lens-tka00598","provider":"My Store","version":"1.0","type":"link"}