- Pure fluorite crystal objective lens- Virtually no chromatic aberration (color blur)- Lightweight, durable magnesium alloy body- Dual fast/fine focus- Choice of compatible accessories to expand the system- A statement of style and sophistication with compelling detailsFOR THOSE WHO ARRIVE EARLY AND LEAVE LATE.99mm OBJECTIVE LENS WITH EXCEEDING BRIGHTNESS POTENTIALThe large objective lens made of pure fluorite crystal and 99mm diameter, paired with a Kowa XD concave lens, produces superior performance and almost unimaginable detail even in twilight. This special combination, together with further improved optical coatings, eliminates almost all chromatic aberration even at high magnifications.DUAL FOCUS - control with fingertip sensitivity.The dual focus mechanism offers the best possible conditions for precise focusing. The mechanism has been refined in order to be able to adjust the focus perfectly. The quick focus enables fast adjustment to bring your subject into focus with just a few gentle turns, while the fine focus enables pinpoint control with your fingertips and offers the ultimate in focusing accuracy.ROBUST, LIGHTWEIGHT & TRANSPORTABLEThe housing of the TSN-99 PROMINAR series is made of 100% magnesium alloy, making it one of the lightest and most compact spotting scopes in its class with a large lens aperture. In addition to its outstanding optical capabilities, this also makes it more portable than many other models. A fully waterproof and nitrogen-filled spotting scope housing and the Kowa KR coating on the front lens make the spotting scope reassuringly robust and resistant to the elements.PERFECT FOR DIGISCOPEThe TSN-99 PROMINAR is 100% compatible with our KOWA SYSTEM range of accessories and gives you access to interchangeable eyepieces, a range of digiscoping adapters for DSLR and system cameras as well as for smartphones. Other accessories, such as extenders or rings for astro eyepieces, are also available. An extraordinarily flexible optical tool for many applications.