on 2/24/03 2:49 PM, Andrew T. Lynch at atlynch at mac.com wrote: > The main difference I can see is that the TRV50 has a larger ccd, 1/4" > where the TRV38 has a 1/4.7" ccd. (Strange numbering system...) I could be wrong, but I thought 1/4.7" was Larger than 1/4". Seems like it would translate to .257 and that is larger than .25-assuming that that is what the numbers mean. ????