The optical zooms of comparable spec cameras that have been available for more than a year range from 3x to 63x. With an optical zoom of 35 times zoom factor, the Coolpix A900 has one of the bigger optical zooms amongst similar spec cameras of this age.
We think you might also be interested in some of the alternative 35x optical zoom digital cameras currently available including the Medion Life X44022 (£114.99) which has better reviews.
If you want a bigger optical zoom then you might want to consider the Canon SX540 HS (£380) (50x and higher rated).
What does "optical zoom" mean?