SVBONY Telescope Lens 4mm Telescopes Eyepieces Wide Angle 62 Degree Aspheric Eyepiece Fully Coated lens for 1.25' 31.7mm Astronomic Telescopes

Size:4mm SVBONY 1.25' fully coated eyepiece is perfect for broad field lunar observations medium sized star clusters and wide range of cloudy nebulas;deep sky targetsNew to star gazing and didn't know what you need to satisfy your needs;here is something can help you make an educated decision;things to consider:Make sure that you know your telescope and how to calculate the optimal magnification for the objects you wish to view;the magnification equation:Magnification=objective focal length/eyepiece focal lengthTypically;you do not want to exceed 50x per inch of your telescopes diameter or the images will be blurry;for example;you have an 8' lens you get 8x50=400xSo research what the best magnification is for the objects you wish to view62 degree apparent field of view:Ultral wide angle for maximum detail and definition across the entire field of view;gets a virtually distortion free imageFully coated optical lenses:FMC glass optics increase light transmittance;enhance details on jupiter;saturn;Mars;venus and get high achromatic imagesThe structure of the optical system:Aspheric eyepiece designed primarily for planetary observation and perfect for deep sky objectsStandard 1.25' fitting diameter:Fits for any astronomical telescope with standard 1.25' focuser;perfect for broad field lunar observations4mm Focal length:Suitable for lunar observation holes;look more closely detailed at the moon's surface and other planet;perfect for viewing the moon and planetsApplaction:Watch the scenery;bright celestial observations;nebula;broad field lunar observations;medium sized star clusters;cloudy nebulas and deep sky targets;viewing the moon and planet and so onPay attention:Don't look directly into the sun;otherwise it will burn the eyesPackage includes:1xSVBONY 4mm eyepiece