Item Number	31034	31032	31041	31044	31142	31056	31058
Description	Tabletop 76	Firstscope 76 EQ	Firstscope 114 Short	Firstscope 114	NexStar 114 GT	C150-HD	G-8N
Standard Equipment
Optical Tube	76mm (3") Reflector	76mm (3") Reflector	114mm (4.5") Reflector	114mm (4.5") Reflector	114mm (4.5") Reflector	150mm (6.0") Reflector	200mm (8.0") Reflector
Focal Length	600mm F/8	700mm F/9	1000mm F/9	900mm F/8	1000mm F/9	1000mm F/7	1000mm F/5
Finderscope	5x24 Right Angle	Star Pointer	Star Pointer	Star Pointer	Star Pointer	6x30	9x50
Mount	Altazimuth Tabletop	Equatorial	Equatorial	Equatorial	Motorized Altazimuth	Heavy Duty Equatorial	Heavy Duty Equatorial
Eyepiece	20mm H .96"(30x)	20mm Kellner (35x)	20mm Kellner (50x)	20mm Kellner (45x)	25mm SMA (40x)	20mm Plössl (50x)	20mm Plössl (50x)
Eyepiece	4mm H .96"(150x)	10mm Kellner (70x)	10mm Kellner (100x)	10mm Kellner (90x)	10mm SMA (100x)	n/a	n/a
Accessory Tray	n/a	yes	yes	yes	yes	yes	yes
Tripod	Tabletop	Aluminum	Aluminum	Aluminum	Pre-assembled Aluminum	Aluminum	Aluminum
CD ROM	The Sky L1	The Sky L1	The Sky L1	The Sky L1	The Sky L1 & GuideStar	The Sky L1	The Sky L1
Computer Hand Control	n/a	n/a	n/a	n/a	Fully Computerized	n/a	n/a
Database	n/a	n/a	n/a	n/a	4,000 Object Database	n/a	n/a
Technical Specifications
Highest Useful Magnification	180x	180x	269x	269x	269x	354x	480x
Lowest Useful Magnification	11x	11x	16x	16x	16x	21x	29x
Limiting Stellar Magnitude	11.9	11.9	12.8	12.8	12.8	13.4	14
Resolution:Rayleigh	1.82 arc seconds	1.82 arc seconds	1.21 arc seconds	1.21 arc seconds	1.21 arc seconds	.92 arc seconds	.69 arc seconds
Dawes Limit	1.53 arc seconds	1.53 arc seconds	1.02 arc seconds	1.02 arc seconds	1.02 arc seconds	.77 arc seconds	.58 arc seconds
Photographic Theoretical Resolution at 410 nm	250  line/mm	217  line/mm	228  lines/mm	250  lines/mm	228  lines/mm	286  lines/mm	400  lines/mm
Light Gathering Power	118x  unaided eye	118x  unaided eye	265x  unaided eye	265x  unaided eye	265x  unaided eye	459x  unaided eye	843x  unaided eye
Field of View: standard eyepiece	1.6°	1.5°	1.0°	1.2°	1.3°	1.0°	1.0°
Linear FOV (@1000 yds)	87.5 ft	78 ft	52.5 ft	60 ft	68 ft	52.5 ft	52.5 ft
Optical Coatings	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Secondary Mirror Obstruction	1.1"(13% by area)	1.2"(16% by area)	1.6"(13% by area)	1.6"(13% by area)	1.6"(13% by area)	2.2"(13% by area)	2.9"(13% by area)
Optical tube length	11 inches	27 inches	19 inches	35 inches	19 inches	19 inches	20 inches
Telescope Weight	4 lbs	15 lbs	16 lbs	19 lbs	15 lbs	28 lbs	31 lbs

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