Unitron Model 152 4" Equatorial Refractor

 Info  Votes  Messages  More Stats  Up One Level
Brand and Model:Unitron Model 152 4" Equatorial Refractor
Price ($USD):
Type:Achromatic Refractor
Attributes: un-checked Go-To un-checked PEC
Aperture:102mm (4")
f Ratio:f/15
Focal Length:1500mm
Electric Power:no
Weight (lbs):1009 lbs.
Dimensions (w/h/d):

Vote Highlights Vote
Unitron Model 152 4" Equatorial Refractor
I bought one of these new in 1967, and kept it for two years - selling it was one of my bigger mistakes in life. It was a magnificent instrument, with razor sharp optics and a mount that could support a battleship. Planetary resolution was excellent, and it was able to exceed the limits of it's aperature when splitting double stars. It had a clock drive, slow motion controls, setting circles, and a very nice wooden tripod with accessory shelf. Everything could be packed away in the included wooden storage cases.

The only drawback was the weight - portability was not its virtues. Still, if I had the money, I'd buy one today (in 1967 it only cost $1,000). I currently use an 8" SCT, and as good as the optics are, they can't match a top quality, long focal ratio refractor for sharpness and clarity.

John Z

Overall Rating: 10
Optics:10 Mount:10 Ease of Use:9 Value:10
Weight: 3 (Unreliable Vote)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=62282

Unitron Model 152 4" Equatorial Refractor
For an achromat, the optics are quite nice. Sharp contrasty images with little color. The sliding draw tube is quite handy. The largest drawback to the scope is you can't use 2" eyepieces with it. much more forgiving of bad sky conditions than our 16" f15 classical cassegrain.

Overall Rating: 9
Weight: 1 (Unreliable Vote)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=436443

Unitron Model 152 4" Equatorial Refractor
A superb instrument of classical design. A work of art.

Overall Rating: No Vote
Weight: <none>
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=41131

[Click Here to Login]
Don't have a login? Register!