Together with the close-up unit a set of close-up lenses with different focalTogether with the close-up unit a set of close-up lenses with different focal
distances (1, 2 and 4 distances (1, 2 and 4 diopters) is delivered. A maximum of two diopters) is delivered. A maximum of two close-upclose-up
lenses or one close-up lens and the lenses or one close-up lens and the block filter can be mounted. The close-upblock filter can be mounted. The close-up
lenses are also screwed directly to the camera aperture lenses are also screwed directly to the camera aperture of the scanning headof the scanning head
before mounting the close-up unit. The stand-off distances and the scan fieldsbefore mounting the close-up unit. The stand-off distances and the scan fields
of the close-up lenses and of combinations of the lenses are shown inof the close-up lenses and of combinations of the lenses are shown in
ta
tablblee A.A.11..
For transportation the close-up unit is secured on For transportation the close-up unit is secured on the back with a the back with a transparenttransparent
perspex plate. For mounting the close-up unit, you perspex plate. For mounting the close-up unit, you proceed as follows:proceed as follows:
1.1. BefoBefore mounre mountingting, undo t, undo the pershe perspex plpex plate and kate and keep it ieep it in a safe pn a safe place.lace.
2.2. If requIf required fiired first scrst screw threw the closee close-up lens-up lenses or the bles or the block fiock filter to tlter to the camehe camerara
aperture.aperture.
3.3. Fix thFix the close close-up une-up unit on the fit on the front of ront of the scthe scannianning head ung head using tsing the twohe two
knurled screws.knurled screws.
Table A.1: Stand-off distances and scan fields of the close-up lensesTable A.1: Stand-off distances and scan fields of the close-up lenses
Lens orLens or
combinationcombination
Stand-offStand-off
distancedistance
11
11
measured from the front panel of the scanning headmeasured from the front panel of the scanning head
Min.Min.
scan fieldscan field
(X x Y)(X x Y)
Nom.Nom.
scan fieldscan field
22
(X x Y)(X x Y)
22
at 18x at 18x optical zoooptical zoomm
Max.Max.
scan fieldscan field
(X x Y)(X x Y)
SpotSpot
diameterdiameter
33
33
with front lens model MRwith front lens model MR
DDiioopptteerrss mmmm mmmm mmmm mmmm µµmm
22 332200......445500 5 5 x x 44 220 0 x x 1166 770 0 x x 5555 4400
22 ++11 225500......335500 4 4 x x 33 116 6 x x 88 660 0 x x 4455 3300
44 220000......226600 3 3 x x 22..44 112 2 x x 1100 550 0 x x 4400 2255
44 ++11 117755......221155 22..5 5 x x 22 110 0 x x 88 445 5 x x 3344 2200
44 ++22 115522......117755 2 2 x x 11..66 8 8 x x 66..44 440 0 x x 3300 1155
Pay attention to the correct fit of the precision pins andPay attention to the correct fit of the precision pins and hand-tighten the knurledhand-tighten the knurled
screws!screws!
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