The F-Stop Mountain Series packs are an essential part of my work.  There is simply nothing better for adventure photography.  I’ve covered the backcountry specific Tilopa BC HERE before and also the slightly smaller Loka.  This month F-Stop launched another bag in the lineup, the 28 litre Guru.  Small in size but not in features!  I have done a full in-depth review of this pack over on my photography blog and you can read all about it RIGHT HERE.  I have also included size comparisons with the rest of the F-Stop Mountain Series, including the as yet unreleased Satori EXP……