ttl

Hi getting my first pair of loupes and I pretty much decided on TTL. Due to the limited choice of dealers I have in my country, I have marked down to Zeiss TTL 2.5x, Univet TTL 3.5, Zumax TTL 3.0x and Lumadent TTL 3.5x (to purchase and ship from online instead of contacting local dealer). Due...

Hello, I am on the lookout for used 3.5x+ power TTL-style prismatic loupes, particularly Surgitel brand. I will consider other brands if the working distance is 20+ inches. I am not picky about angle of declination or interpupillary distance, as I will be re-mounting them to my own specs...