{"product_id":"electronic-focus-accessory-efa-kit-copy","title":"Delta T Heater","description":"\u003ch3 data-start=\"3475\" data-end=\"3493\"\u003eDelta‑T Heater\u003c\/h3\u003e\n\u003cp data-start=\"3495\" data-end=\"3728\"\u003eThe Delta‑T Heater system adds anti‑dew heating to primary\/secondary (and possibly other mirrors), helping maintain performance in humid or moisture‑prone observing conditions by keeping optics just warm enough to avoid condensation.\u003c\/p\u003e\n\u003chr data-start=\"3730\" data-end=\"3733\"\u003e\n\u003cp data-start=\"3735\" data-end=\"3917\"\u003e\u003cstrong data-start=\"3735\" data-end=\"3757\"\u003eKey Specifications\u003c\/strong\u003e\u003cbr data-start=\"3757\" data-end=\"3760\"\u003e\u003cstrong data-start=\"3760\" data-end=\"3776\"\u003eDevice Role:\u003c\/strong\u003e Heater \/ anti‑dew system for mirrors\u003cbr data-start=\"3813\" data-end=\"3816\"\u003e\u003cstrong data-start=\"3816\" data-end=\"3834\"\u003eCompatibility:\u003c\/strong\u003e PlaneWave CDK \/ IRDK \/ OTAs with dew pad heaters or preinstalled heater elements\u003c\/p\u003e\n\u003chr data-start=\"3919\" data-end=\"3922\"\u003e\n\u003cp data-start=\"3924\" data-end=\"4195\"\u003e\u003cstrong data-start=\"3924\" data-end=\"3954\"\u003ePerformance \u0026amp; Applications\u003c\/strong\u003e\u003cbr data-start=\"3954\" data-end=\"3957\"\u003e\u003cstrong data-start=\"3957\" data-end=\"3962\"\u003e‑\u003c\/strong\u003e Prevents dew and condensation formation during night observing\u003cbr data-start=\"4025\" data-end=\"4028\"\u003e\u003cstrong data-start=\"4028\" data-end=\"4033\"\u003e‑\u003c\/strong\u003e Helps maintain mirror clarity and imaging quality in humidity or dew risk\u003cbr data-start=\"4107\" data-end=\"4110\"\u003e\u003cstrong data-start=\"4110\" data-end=\"4115\"\u003e‑\u003c\/strong\u003e Useful in climates prone to moisture, or during seasons when dew forms easily\u003c\/p\u003e","brand":"PlaneWave Instruments","offers":[{"title":"Default Title","offer_id":50714542145824,"sku":"600195","price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/Screenshot_2026-02-06_at_18.42.28.png?v=1770432160","url":"https:\/\/firstlightastro.com\/products\/electronic-focus-accessory-efa-kit-copy","provider":"First Light Astro","version":"1.0","type":"link"}