Carl Zeiss
Appendix
Primo Star
28
B 46-0071 v 03/06
En
g
lish
LED illumination
Constant, brightness-independent
color temperature of
Homogeneous field illumination
Suitable for objectives with
magnifications of
Analogous brightness adjustment from
7480 K
20 mm diameter
4x to 100x
approx. 15 to 100%
Optical/mechanical data
Stand with stage focusing
With coarse focusing drive
With fine focusing drive
Total stage lift
4 mm/revolution
0.5 mm/revolution
15 mm
Objective change
Manual via quadruple objective nosepiece
Objectives
Infinity-corrected objective range with W 0.8 mounting thread
Eyepieces
With field-of-view number 18
With field-of-view number 20
30 mm tube size
PL 10x/18 Br. foc.
PL 10x/20 Br. foc.
Specimen stage
Dimensions (width x depth)
Stage travel (X x Y)
Coaxial drive
Vernier scales
Specimen holder
Mechanical stage 75x30 right/left
140 x 135 mm
75 x 30 mm
Optionally right or left
Readable from the right
With spring lever, left
Abbe condenser 0.9/1.25, fixed collector
For V
obj
. 4x to 100x
Abbe condenser 0.9/1.25
For V
obj
. 4x to 100x
Binocular tube 30°/20
Maximum field-of-view number
Interpupillary distance
Tube angle
Viewing height
Viewing port
20
Adjustable from 48 to 75 mm
30°
380 to 415 mm
Tube factor 1x
Binocular phototube 30°/20
Maximum field-of-view number
Interpupillary distance
Tube angle
Viewing height
Viewing port
Photo/video port
Light path selection with swing-in prism
20
Adjustable from 48 to 75 mm
30°
380 to 415 mm
Tube factor 1x
Tube factor 1x, 60 mm mount
50% vis / 100% doc
Illuminating mirror
With plane surface and spherical surface with f' = 75 mm