Depends on what you mean by "viable". A £600 camera with an £80 repair may be viable, but the same camera with a £300 repair may not be. Is it insured? An insurance policy (like mine) of "New for Old" makes it viable again. My friend had a Fuji camera which he dropped, and, like you the zoom and focus mechanism was damaged. He made a claim on his insurance and got a new camera. He was told by the insurance company they didn't want the damaged camera and Fuji has quoted him £75 to repair it??? So, is that viable? The original camera cost £300 secondhand.