反射镜
1: 不推荐 ($300 and less)
Tasco
Bushnell/Bausch & Lomb
Galileo (Home Shopping Network)
Other shopping channel, department store telescopes, etc
Telescopes found in "closeout" type catalogs
Anything that says "XXXXX by Meade"
At least 95% of telescopes on ebay
2: 有保留地推荐 ($300-$600)
Meade DS/EC Series (2-)
Bushnell Voyager Dobsonians (Note: Dobsonians only)
Older Coulters with blue tubes
Old 1980s vintage Celestrons with the word "Comet" in them
Celestron C150HD, G8N and NexStar 114 hybrid Newtonians (2+)
Celestron NexStar 114GT (Hybrid, 2+)
Edmund Astroscan
3: 推荐 ($250-$1500)
Most Celestrons
Meade Starfinders (watch out for #77 2" plastic focuser)
Most older Meades, 6" and larger (#628, #645, #826, #6600, #8800, etc) (3+)
Meade 4500 (Avoid "similar" versions with .965" eyepieces)
Most old Edmunds (red-tubed models preferable to white-tubed ones)
Old Criterion Dynascopes (6", 8", check to see that RA drive works)
Orion XT and Sky View Deluxe models
Older Orion Dobs (DSE, etc)
Discovery
Coulter/Odyssey/Murnaghan scopes with red tubes (3-)
Old Junos (3+)
Sovietski/TAL
Stargazer Steve (3-) (kit)
Orion (UK) (3+) (unavailable in US)
4:高度推荐 ($500-$3000)
DGM (4+)
Parks
Most old Cave Astrolas
Old Meade Research Grade Reflectors (8", 10", 12.5") (4+)
Tectron
Sky Designs
Old Starliners
Most Vixens
5: 强烈推荐 ($1500-$20000+)
JMI NGT (12.5", 18")
Mag 1 Instruments Portaballs
Obsession
Starmaster
Starsplitter
Takahashi
Optical Guidance Systems
Parallax
折射镜
1: 不推荐 ($300 and under)
Tasco, Bushnell, Jason, Simmons, Edu-Science, etc etc
Anything that says "XXXXX by Meade"
Galileo (Home Shopping Network)
Other department store refractors, Shopping Channel, etc telescopes
Telescopes found in "closeout" type catalogs
At least 95% of telescopes on ebay
2: 有保留地推荐 ($300-$600)
Meade DS/EC Series (2-)
Meade ETX60-AT/70AT (2+)
Celestron NexStar 60GT and 80GT (2+)
3: 推荐 ($250-$700)
Meade (#390/#395, 102ACHR, etc)
Celestrons (older Vixen-based units are 3+ or 4)
Stellarvue
Orion (90 mm and larger)
Unitron (3+)
Carton (not available in US) (3+)
Megrez 80
Skywatcher/Synta/Photon/Konus/Bresser/etc
4: 高度推荐 ($500-$6000)
Most Vixens (includes Orion/Vixen and Celestron/Vixen models)
Meade ED Series (suspect QC prevents firm "4" rating) (4-)
TeleVue Ranger/Pronto
Pentax (difficult to find in US)
Borg
Brandon (older 94 mm and 130 mm models are 4+)
5: 强烈推荐 ($2000-$100000+)
Astro-Physics
Takahashi
TMBack/William Yang Optics/APM
TeleVue
Nikon (not available in US)
折反射镜
1: 不推荐 ($300 and less)
Old Bausch & Lomb Schmidt Cassegrains
Old Dynamax/Criterions
Anything that looks as if it might have started life somewhere else as a telephoto lens
2: 有保留地推荐 ($300-$1000)
Old Meade 2045 4" SCTs
Old Meade MTS-SN6/ MTS-SN8 Schmidt Newtonians
Old Celestron C-10 SCTs
Celestron C90/G3
Meade ETX 90, ETX 125 (QC varies widely, early 125s were trouble-prone) (2+)
Celestron NexStar 4 Maksutov (2+)
3: 推荐 ($1000-$3000)
Meade LX10, LX50, LX200
Older Meade 2080, 2010 units (LX3, LX6, LX100) (3-)
Celestron SCTs (5", 8", 11", 14", includes NexStar 5 and NexStar 8)
Orion StarMax Maksutovs
4: 高度推荐 ($1000-$3000)
Intes/ Orion Argonaut (some pre-1998 units have mechanical problems)
Celestron C 9.25
Meade 7" Maksutov (4-)
Old 4" and 6" Quantums
5: 强烈推荐 ($3000-$12000)
Takahashi SCT225
Astro-Physics Maksutovs (Extremely rare and NA as of this writing)
Questar
Ceravolo
(by Ed Ting, 引自 www.scopereviews.com) |
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