These were purchased as a first pair for my son, they are very easy to use and serve the purpose brilliantly

none

Feel indestructable. Sharp when focused precisely. Good price

Focusing fine tuning is tricky due to general chunkiness of design but this is a trade off.

having examined several brands of expensive binoculars i considered these were as good as any other but at a much better price.

none.

Great for their brightness and focus

The lens caps don't fit that well