Canon G7X mini review

Alex Tattersall · Issue 84, May/Jun 2015 · pp. 39–41

Products mentioned: Canon G7X, Nauticam G7X housing, Nauticam Compact Macro Convertor (CMC), Nauticam wide angle convertor prototype, Sony RX100ii, INON Z240

Last month, in lovely Lembeh, I had the opportunity to test Canon’s latest gem of a compact camera, the G7X. There were many things to love about this little camera, the image quality, the ability to minimise flash output for fast recycling, the focusing speed, the impressive dynamic range, the high flash sync speed, the diminutive size, the list goes on. Not quite so lovely is the fact that this compact camera’s lens is physically shorter at its widest (24mm) than at its 100mm telephoto end. For land photography this detail would be irrelevant but in an underwater housing it makes a significant difference because it makes attaching wide wet lenses a challenge as the standard housing front results in a significant air gap between the camera’s lens and the rear of the wet lens, giving unacceptably poor sharpness with the wide lenses we tested. To compensate for this, Nauticam have adopted…