Not sure about Australia but in the US the TMB Planetary (and similar) run around $50 new...in the states.
Do some reading on them as they are an interesting story about the original, the clones and knockoffs. In spite of the intrigue, I found them to be decent and comfortable especially for planets and moon.
While I still lived in Australia, I got a few pairs for binoviewing, I do not know the status of availability now. Near 20 mm eye relief and 58 degree (or so) FOV.
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