I think the William Optics 71mm ED is a great suggestion. You may also like to consider the Tele Vue 60. It is even more compact. I have owned one for several years and find it to be very handy and convenient. It will work as low as 15x with a wide field over 4 degrees. It also works well up to 120x for viewing planets and the moon.
Here is a review on line.
http://scopeviews.co.uk/TV60.htm