Reasons to choose EOS R7
Released in 2022, EOS R7 has about 332 mm² of sensor area, 32.5 MP effective resolution, and a 612 g body. Use these values to narrow the field, not as an overall image-quality score.


The EOS R7 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The EOS R7 has the larger sensor area. The OM-1 has the lighter body. The EOS R7 has the higher effective resolution. The EOS R7 and OM-1 were both released in 2022. Also consider the lens system and subjects you shoot.
Released in 2022, EOS R7 has about 332 mm² of sensor area, 32.5 MP effective resolution, and a 612 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2022, OM-1 has about 225 mm² of sensor area, 20.4 MP effective resolution, and a 599 g body. Use these values to narrow the field, not as an overall image-quality score.