Sensor Cleaning Swabs DHAP Orange Medium Format 30-33 mm (12 per pack)Fits for medium format digital SLR 30 33 mm sensor size vertical length or width cameras such as Leica S2, Pentax 645, Pentax 645D and Pentax 645Z, Fujifilm GFX 50S and Fujifilm GFX 50R, Hasselblad X1D. This medium format swabs are designated for sensor sizes ranging from 30 to 33 mm in width or vertical length of the sensor. These medium format swabs are designated for sensor sizes ranging from 30 to 33 mm in width or vertical length of the sensor.