Bresser AR-90 - Page 24

Looking at or near the Sun will cause instant and irreversible damage to your eye!
24
technIcal data
NT-150 S/L Newtonian reflector with EXOS 2
item number 47-50758 / 47-50128
Optical design Newtonian reflector
Clear aperture 6” = 150 mm
Focal length 750mm / 1200 mm
Focal ratio f/5 or f/8
Resolving power 0.76 arc sec
Mount EXOS 2 Aluminium-Guß, German type
equatorial
RA + DEC drive system flexible shafts
Max. practical power 300x
Tripod adjustable steel-tube field tripod
Net weight 20,8 or 22.45 kg
NT-203 Newtonian Reflector with EXOS 2
item number 47-03108
Optical design Newtonian reflector
Clear aperture 8” = 203 mm
Focal length 1000 mm
Focal ratio f/5
Resolving power 0.56 arc sec
Mount EXOS 2 Aluminium-Guß, German type
equatorial
RA + DEC drive system flexible shafts
Max. practical power 400x
Tripod adjustable steel-tube field tripod
Net weight 25.1 kg
AR-90 Achromatic Refractor with EXOS 1
item number 47-90907
Optical design achromatic refractor
Clear aperture 3,5” = 90 mm
Focal length 900 mm
Focal ratio f/10
Resolving power 1.27 arc sec
Coatings multi-coated
Mount EXOS1 Aluminium-Guß, German type
equatorial
RA- und DEC-Antriebssystem über flexible Wellen
Max. practical power 180x
Tripod adjustable steel-tube field tripod
Net weight 12.25 kg
NT-130 Newtonian Reflector with EXOS 1
item number 47-30107
Optical design Newtonian refelctor
Clear aperture 5,1” = 130 mm
Focal length 1000 mm
Focal ratio f/7,7
Resolving power 0.88 arc sec
Mount EXOS1 Aluminium-Guß, German type
equatorial
RA + DEC drive system flexible shafts
Max. practical power 260x
Tripod adjustable steel-tube field tripod
Net weight 17,3 kg