Reasons to choose OM-D E-M1
Released in 2013, OM-D E-M1 has about 225 mm² of sensor area, 16.3 MP effective resolution, and a 497 g body. Use these values to narrow the field, not as an overall image-quality score.


The OM-D E-M1 and PEN E-P5 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The OM-D E-M1 and PEN E-P5 have the same sensor area. The PEN E-P5 has the lighter body. The OM-D E-M1 has the higher effective resolution. The OM-D E-M1 and PEN E-P5 were both released in 2013. Also consider the lens system and subjects you shoot.
Released in 2013, OM-D E-M1 has about 225 mm² of sensor area, 16.3 MP effective resolution, and a 497 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2013, PEN E-P5 has about 225 mm² of sensor area, 16.1 MP effective resolution, and a 420 g body. Use these values to narrow the field, not as an overall image-quality score.