There are more ways of implementing IR cleanup.
Yes but 2-pass cleanup is a bad way of doing it.
More wear on the mechanics, more chances of registration issues (misregistration leads to less effective cleanup and more artifacts), longer scans, more heat build up, which in turn has a negative effect on film flatness.
🙁
I wish that second-pass-IR-cleanup was actually chosen for superior IR cleanup
No filmscanner I know (and I tested/owned a lot of filmscanners) refocuses when doing the IR pass.
For example, the venerable Canon FS4000 does two-pass IR cleaning, but without refocusing. And with registration issues.
And there is no cost saving if you don't enable multisampling in a scanner
Multisampling is a firmware feature. You have to develop a proper procedure in firmware, which implies embedded programmer's work, which requires time and implies cost.
Of course I agree with you that it would be crazy not to implement it, at least with a firmware upgrade (to get sooner on the market, given the huge delay they already had), but still, we have no evidence the function exists, at the moment.
Fingers crossed.
🙂
Another important feature IQ-wise, which this scanner may or may not have, is independent R-G-B CCD exposure time.
When scanning negative film, if you can't count on longer CCD exposure for G (2x typical) and B (4x typical) vs R, you get poor SNR and poor gradation for the G and (expecially) B channel, due to the orange mask.
Many filmscanners have this function (just to name a few: Nikon LS-50, 5000, 8000, 9000; Minolta Scan Dual IV, 5400, 5400-II) but, for example, Epson V7x0 don't.
Fer
