I have for sale a Celestron C102-AZ model 21011 102mm (4 inch) aperture achromatic( f10 ) refractor telescope featuring an alt- azmuth mount. The focal length is 1000mm with fully coated glass optics. Accessories include a Celestr on 6x30 Ler finder scope, a 90 degree diagonal mirror eyepiece, a sturdy adjustable aluminum tripod. Also included are extra eyepieces, a 2x barlow, LV series eyepieces multi coated high grade optical lanthanum glass- Plossl 6.3mm multi coated, and a Plossl 20mm multicoated eyepiece. A 45degree erecting prism eyepiece and a Vixen lv 12mm 50 long eye relief fully multi coated eyepiece. Also included is a telescope box & a eyepiece bag. I have observed craters on the moon in excellent detail, the Orion nebulae, Saturn's rings & Mars plus other celestial objects.