hi,Jerry.
thanks for looking into it for me,yes i forgot to put in the details for everyone so here goes-
1- celestron firstscope 90EQ
OPTICAL DESIGN Refractor
APERTURE 90 mm (3.54 in)
FOCAL LENGTH 1000 mm (39.37 in)
FOCAL RATIO 11.11
FINDERSCOPE StarPointer
MOUNT Equatorial, w/Quick release
EYEPIECE 1 20 mm (0.79 in)
EYEPIECE 2 10 mm (0.39 in)
STAR DIAGONAL 1.25 Erect Image
ACCESSORY TRAY Round, Thread-in
TUBE RING One piece w/quick-release
PIGGY BACK ADAPTER Yes
TRIPOD QE1
HIGHEST USEFUL MAGNIFICATION 213 x
LIMITING STELLAR MAGNITUDE 12.3
RESOLUTION 1.54 arc seconds
RESOLVING POWER1.29 arc seconds
PHOTOGRAPHIC RESOLUTION 180 line/mm
LIGHT GATHERING POWER 165 x
ANGULAR FIELD OF VIEW 0.8 °
LINEAR FIELD OF VIEW 42 ft (12.8 m)
OPTICAL COATINGS Multi-Coated
2 - AOE 105m Optical design
Maksutov Cassegrain
Aperture, mm
105
Focal length, mm
1400
Focal ratio
F=14
Resolving power
1.2"
Limiting magnitude
12.5m
Magnification, max
250x
Finderscope
8x21 Erect image
Mount and tripod
EQ2 German-Equatorial, adjustable aluminium field tripod