telescope F90070 1. focal length 900mm, f/12.8 2. 70mm objective 3. with aluminum stand 4. SR4mm, H12.5mm,H20mm telecope is easy handling, good image. we have many typesof astronomical telescopes.F80060, F70060, F90070,F1400750, F800203F1000114EQ....... telescope F90070EQ