Gossen Mavo-Spot 2 USB - Manual (Page 26)

26
GOSSEN Foto- und Lichtmesstechnik GmbH
9 Technical Data
Type
Luminance meter with SLR optic and viewfinder display
for measuring light-source and surface brightness
Measuring angle
1° Field of view 15° diagonal
Classification
Class B per DIN 5032, part 7, and DIN EN 13032, appendix B, CIE 69
Optical system
77 mm / f/1.8, flare factor f
2
< 2%,
Focusing distance
1 meter to infinity,
with optional accessories: as little as 34 cm with close-up lens
Light receiver
Silicon photocell with V(

) filter – f
1
< 3%
Luminace units
cd/m² or fl (switchable)
Measuring range
0.01 cd/m
2
to 99,990 cd/m
2
, 0.01 fL to 30000 fL,
automatic range selection
Measuring modes
Luminance cd/m² or fL
Luminance ratio A/B, deviation %A, difference A-B
2 independently selectable correction factors CORR
Memory function MEM
Illuminance (by means of GOSSEN reflection standard as target, optional accessory)