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Optical design: Newtonian Optical system
Primary Mirror: Diameter 75mm / Focal length 750mm (180x Power)
Secondary Diagonal: Matched Optical Flat
Astro eyepieces 1.25"OD:1) 25mm efl,2) 12mm efl Ramsdens
Variable Barlow 1.25" OD1.5x = 2x=2.5x=3x)
Finder: Gunsight for quick alignment
Eyepieces mount: Focuser 1.25"
Tube:110mm dia x 740mm length (approx.) of light weight rigid PVC tube, Finished inside with highly durable matt black paint. Dust prevention covers at both ends.
Stand: Metal tripod
Mount: Altazimuth Metal Mount with partial locks
Net Weight: Within 5.5 Kgs
Manual: Operating Manual
Mirror : Highly reflective aluminized mirror with an over layer coating of Silicon Mono-Oxide.
Magnification obtained with Eyepieces : 30x 62.5x
With Variable Barlow : 60x to 188x (In conjunction with above eyepieces)
Resolution : 2 Arc Seconds
Image Size : 1.94 Degrees / Inch at 750mm
Photographic speed : 15x Telescopic Telephoto
Visibility : Can see 10.5 Magnitude star
Design : International standard Classical Newtonian
Primary Mirror : 76mm with highly reflective hard Al.+SiO2 coating
Secondary mirror/ Diagonal : Around 1/4 wave Optical Flat (nobody offers at this price)
Eyepieces : WF 25mm and Ke 10mm Achromat 3 OG element AR coated (nobody offers ....)
Eyepiece Mount/Focuser : Metal 0.965" (24mm)
Tube : 90x750mm of light weight rigid PVC with flat black (inside) with covers at both ends.
Light wooden, portable height adjusting Tripod, very easy in journeys.
Mount : Altazimuth with locks
Finder - gunsight for quickly locating any object
Visibility : Can see 11th Magnitude star.
Don't EVER buy a department store telescope. I said it earlier and will say it again. Some components are cheaply made of plastic, the mountings wobble, the finder scopes (used for pointing the telescope to the object) are close to useless, and generally a very frustrating experience. Whats worse, is that even experienced observers find them difficult to use. The only thing they can be used for, is to look at the moon. This will then get you hooked and make you want to buy a better scope. Many of us started out with these telescopes, and after a month or two, learned our lesson and got real telescopes that we've kept and used for years.!
Originally posted by Daedalus3
I have no idea in what to look for but here's what I want :
1) Get to see GOOD sharp images of craters etc. on the lunar surface.
2) Decent view of the Rings of Saturn, moons of Jupiter, Mars etc.
3)Be able to see large/medium galaxies in a decent sharp image.
4) Upright image (I've heard some scopes give inverted/mirror images?)
So what are the technical specifications I need to looks for?