Hi, I have these old film lenses that I would like to sell along with my old manual/film minolta camera but I want to keep the ones that would work with digital SLRs. Does anyone know which ones are compatible with digital SLRs? Also, are manual camera lens FILTERS compatible with digital SLRs? Tamron 70-150 mm adaptall Sigma multicoated 80-200 mm Minolta MC focal 28mm QuantaRay 400mm I'm not selling the item below but I'm curious as to whether it is compatible with ANY digital SLR. Bausch and Lombe Telescope and Off Axis Guider T-section plus Illuminated Reticle 9mm Eyepiece (used to photographing celestial bodies) I would be very happy to get some info and help on the above. Thanks a lot!