Borg 100mm ED objective. To be used with a Borg standard tube set -(not included/$310 from supplier). Two months old, in mint condition. Comes with storage/travel bag and collimation wrenches. Excellent lunar/planetary/deep sky views, comparable to Vixen 102ED. Solid quality construction but lightweight and excellent for travel. Please refer to www.cloudynights.com for an in-depth review. Purchased new $1400. Selling for $1100 shipping inc.