Q: As for T3-F and T4-N, can it be used by those with a bad eye vision?
A: There is a diopter adjustment knob in the Teleglass. If you adjust it to your own diopter, the picture is visible without a problem.

Q: Can it be connected to a notebook?
A: Yes, if notebook has a TV out converter.

Q: Does T3-F or T4-N have built in TV tuner?
A: No, but in future version this might be the option.

Q: Can T3-F be used with any glasses?
A: Unfortunately no, only with those in the package.

Q: What is the product guarantee?
A: 1 year.

Q: Where can T3-F and T4-N be ordered?
A: Through Scalar Corporation website.