"The right choice for anyone who appreciates top-quality Digi scoping, the TLS APO 43 mm camera lens was developed as a complete system with the new ATX/STX spotting scopes. Its excellent optical quality makes it particularly attractive to the most discerning digiscopers who want to use full-frame cameras. The TLS APO 43 mm is supplied without the T2 adapter ring for Canon, Nikon and Sony cameras. For the discerning pro If you spy a rare bird after a long and patient wait, you will want to capture this memorable moment forever. Swarovski Optik has developed special equipment with which your digital camera and spotting scope can be swiftly transformed into one unit precisely for this purpose. This new trend is called Digi scoping and it is becoming increasingly popular among birders."