Description Meade Series 4000 – 40mm Utilizing the very latest in optical glass types, the Series 4000 eyepieces represent an excellent general-purpose eyepiece. Engineered with a high quality 4-element design and offering a generous 44° apparent field of view, the eyepiece uses premium grade optical glass with multi-layer coatings and blackened lens edges for great image sharpness and contrast. Eye relief is 22mm. Features a precision made standard 1.25″ barrel and fold down rubber eyeguard for comfortable viewing as well as blocking stray light. Parafocal with other eyepieces of this series to minimize the need to refocus when switching eyepieces. Meade Series 4000 eyepieces are a terrific value and the lowest cost way to expand your range of magnifications with genuine Meade quality optics. Specifications User level – Beginner Design – Plossl Eyepiece focal length – 40.0mm Barrel size – 1.25″ Apparent field of view – 44.0° Eye relief – 22 mm Coatings – Multi-coated Number of elements – 4 Filter threads – Yes Parfocal – Yes Barrel security recess – Yes Blackened lens edges – Yes Rubber eyeguards – Yes Body material – Aluminum Case – No Reminder – Orders over $100 qualify for free shipping. Astro Has Lots of Other Astronomy Accessories Your Looking For – See Our Best Sellers Below With Fast Shipping On Every Item, Free Gummi Bears and 30 day returns, Why Not? Questions? Call us on 1300 ASTRODOG or just use the form! Please enable JavaScript in your browser to complete this form.Name *e.g. "Peter"Contact Number *Email *Product you have a question aboutYour Question *MessageSubmit
