Spotting scopes that take 1.25 eyepieces recommendations

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For holidays, birding and astronomy I would like a spotting scope that is shock and water proof, which take interchangeable  1.25 in/31.7 mm eye pieces. It would be a refractor 45 degree to 90 degree prism model, 80 to 100mm OD.

Pentax models, Nikon and Celestron Regal all do, any others?

For astronomy, which are going to give the best views for flat field, low or no chromatic or any other kind of aberration?