The Sony DSC-TF1 has a CCD sensor type which is better than most cameras of this type and age. Most cameras that were released more than two years ago have a MOS sensor type. CCD sensors produce high quality, low-noise images but consume a lot more power than CMOS sensors. CCD is the most common image sensor type used in digital cameras.
This camera's sensor type (CCD) is actually the best sensor type across all cameras that are a comparable age to the DSC-TF1.
The worst sensor type across similar types of camera is MOS.
We think you might also be interested in some of the alternative digital cameras that have a CCD sensor currently available including because of it's better review score, the Panasonic Lumix DMC-FT3[plb_636880_price], the Ricoh WG-20[plb_2208228_price], or the Nikon Coolpix S31[plb_1721874_price].