Reasons to choose JD 2.1 FF
Released in 2002, JD 2.1 FF has about 15 mm² of sensor area, 2.1 MP effective resolution, and a 150 g body. Use these values to narrow the field, not as an overall image-quality score.


The JD 2100 M 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 JD 2100 M has the larger sensor area. The JD 2.1 FF has the lighter body. The JD 2100 M has the higher effective resolution. The JD 2.1 FF and JD 2100 M were both released in 2002. Also consider the lens system and subjects you shoot.
Released in 2002, JD 2.1 FF has about 15 mm² of sensor area, 2.1 MP effective resolution, and a 150 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2002, JD 2100 M has about 21 mm² of sensor area, 2.11 MP effective resolution, and a 256 g body. Use these values to narrow the field, not as an overall image-quality score.