More on Amazon.com : http://www.amazon.com/gp/product/B00006OAJB?tag=thefatkidin06-20 <br /> <br />Gossen Digisix GO 4006 Digital / Analog Exposure Meter <br /> <br />Developed for high precision and reliability <br />Digital LCD read out in EV is easily transferred to a setting ring where all the shutter speedf-stop combinations can be read at a glance <br />Meter sensitivity range is 0-18EV in 13 increments <br />Angle of Coverage - 25-degrees <br />Apertures - f1 to f32