Meade 2045 - Basic Specifications

BASIC SPECIFICATIONS:
MODEL 2045 4" (102MM) SCHMIDT-CASSEGRAIN TELESCOPE
Optical Design Schmidt-Cassegrain Catadioptric
Clear Aperture
102mm (4")
Focal Length
1000mm (40")
Focal Ratio (Photographic Speed)
f/10
Near Focus (approx.)
15 ft.
Resolution 1.1 arc secs.
188 lines per mm
Limiting Visual Magnitude
12
Limiting Photographic Magnitude
14.5
Image Scale
1.43 degs./inch
Maximum Practical Visual Power
35mm Film Coverage at Distances of:
300X
50 ft. 13.3" x 19.6"
500 ft.
11.8’x 17.3'
3000 ft.
70.5’x 103.5’
35mm Angular Film Coverage
1.38' x 1.96°
Telescope Mounting
Fork-type, double tine
Electronic Motor Drive
12Vdc Pulse Motor
Setting Circle Diameters Dec.: 4"; R.A.: 6"
Manual Slow-Motion Controls
Standard Accessories
Setting Circles
Dust Covers
Dec. and R.A.
Viewfinder
5x24mm
Eyepiece
1.25" O.D. 25mm (40X)
Eyepiece Holder/Diagonal Prism
Accepts 1.25” O.D. eyepieces
Tripod Legs (tabletop)
Battery Pack with Power Cord
Powers Obtained with Optional Eyepiece (Note 1):
2 pcs. Fixed Length
1 pc. Adjustable length
4mm 250X (500X)
6mm 167X (333X)
9mm
11lx (222x)
12.5mm 80X (160X)
18mm 56X (112X)
40mm
25X (50X)
Optical Tube Size
4.6" Dia. x 10" Long
Secondary Mirror Obstruction
Materials and Construction
1.8" Dia.: 20%
Tube Body
All Aluminum
Mirrors
Pyrex Glass
Telescope Size, Swung Down 7" x 9" x 16"
Carrying Case Dimensions
17" x 10" x 11”
Net Telescope Weight (approx.) 12 lbs.
Shipping Weight (approx.)
16 lbs.
NOTES:
(1) Numbers in parenthesis indicate Magnifying Powers when the specified eyepiece is used in
conjunction with the #126 2X Telenegative Amplifier. Note that, in any case, powers in excess of about
300X on the Model 2045 may be used to advantage only under the very best observing conditions.