Explore Scientific FirstLight series - Product Technical Information

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Optional Accessories
VII
Technical Data
FirstLight 8” Dobsonian
Primary mirror diameter: 203mm (8”)
Secondary mirror obstruction: 24%
Focal length: 1218mm
Focal ratio: f/6
Theoretical resolving power: 0.74 arc seconds
Limiting magnitudes: 13.5 mag
Focuser: 2.5” Hex focuser with 2” and 1.25” adapter
Included eyepiece: SuperPlossl 25mm
Weight (OTA): 25lbs / 11kg
Weight (Base): 21lbs / 9.5kg
Total weight: 46lbs / 21kg
FirstLight 10”Dobsonian
Primary mirror diameter: 254mm (10”)
Secondary mirror obstruction: 24%
Focal length: 1270mm
Focal ratio: f/5
Theoretical resolving power: 0.59 arc seconds
Limiting magnitudes: 14 mag
Focuser: 2.5” Hex focuser with 2” and 1.25” adapter
Included eyepiece: SuperPlossl 25mm
Weight (OTA): 36lbs / 16.3kg
Weight (Base): 25lbs / 11.3kg
Total weight: 61 lbs/ 27.6kg
VI
BRESSER Messier
10:1 Micro reduction unit
with HEXAFOC focuser
Item No. 0625720
EXPLORE SCIENTIFIC
8x50 Illuminated Finder Scope
Item No. VFEI0850-01
EXPLORE SCIENTIFIC
8x50 non-illuminated finder scope
Item No. VFO8505
EXPLORE SCIENTIFIC
8x50 illuminated polar
right angle finder scope
Item No. VFEI0850-RA
Product Information