I need a little help. I have an opportunity to acquire a Kahles Helia C 6x42 scope. I do not have the scope in hand as it is a possible internet transaction. I've become a fan of Kahles and this scope has my interest but I've Goggled this particular model and can't seem to find too much info. I'm mainly interested in some specs and any reviews. Most helpful would be Eye Relief, Length, and Weight. Also, I would value your personal thoughts on this scope should you have or had owned one. Thanks in advance.