DT's specs certainly do not conform to industry standards thats for sure. Whats funny, like you have already said is the first review DT quotes mid 20's extension and they claim down to 13. What I don't understand is why they would quote that on their website because that in itself shows that their specs are misleading.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne