For immediate assistance, call Techkon USA at 978-777-1854 or email Info@TechkonUSA.com
All of our SpectroDens3 instruments ship with a standard 3mm aperture. Additional apertures for the SpectroDens3 are available in 1.5mm or 3mm sizes.
The USB cable is for the SpectroJet2.
The USB cable is for the SpectroJet1.