Check the listing for details. 62 ° aspheric eyepiece 4mm 10mm 23mm for telescope planetary observation. Condition: New. Listed at 10.99 USD. Description 62 degree wide-angle eyepiece telescope accessories 1.25 inch/31.7mm eyepiece Aspherical eyepiece, new design, the sky a good helperyou can according your require to choose different focal eyepice.Specification: Focal length: 4mm，10mm，23mmField of view: 62 degreesInterface specification: 1.25 inch (about 31.7mm)Thread specification: m28.6 * 0.6mmLens material: optical glassBody material: metal-aluminum Payment Terms Payment must be received within 7 business days of auction closing.All our items will be shipped to buyer's payment address. So please check your shipping address before you make the payment. Shipping Terms Normally, we will arrange the shipment within 2 business days of receipt of payments.A tracking number will be emailed to the buyer at the time of shipment. Feedback If you are satisfied with our product and service, please leave 5 star positive feedback.However, if you are unhappy with the item or our service,please contact us before you leave the negative feedback. About US We are Skyoptikst Optical Technology CO., LTD. More information,please click our web site.If you have any questions please contact us.