Post by Mike on Oct 27, 2012 18:53:59 GMT -5
On Sale! Phoenix WFT 204-6 Comet Hunter Achromatic Doublet - $2994
On Sale! Perseus AT 204-9 Achromatic Doublet - $3244
Want to track down those DSOs? You need aperture. F6 or F9
Want to see great planetary detail? You need aperture. F9
The Rayleigh Limit for a telescope with a 6 inch aperture is approximately 0.9 arc seconds
The Rayleigh Limit for a telescope with a 8 inch aperture is approximately 0.7 arc seconds
An 8 inch scope gathers twice as much light as a 6 inch
An 8 inch scope has a limiting magnitude of at least 12.0
2 Element Achromatic Doublet designed by our own Master Optician Zdenek Rehor
210 mm Lens diameter with 204 mm (8 inch) clear aperture
1200 or 1800 mm Focal Length F5.9 and F8.8
Push-pull collimatable cell
Fully Multicoated lenses
Magnesium Alloy powder coated inside and out CNC machined tube
CNC machined, anodized and color scheme counter cell and back plate
New 3rd generation 2.5 inch fully rotatable, dual speed, draw tube brake,
CNC machined Crayford Style Istar focuser
Screw attached baffles.
Absolutely no plastic, glue, molded metal parts or thin walled aluminum
Scopes are hand assembled and individually star tested
F5.9 1220 mm tube length including dew shield
F8.8 1639 mm tube length including dew shield - 45 lbs.
All Scopes include free shipping anywhere in the continental US
8 inch scopes include an Istar US made newly designed 3rd generation focuser
5 year warranty on lenses and tubes
Available Pro style CNC machined powder coated tube rings
On Sale! Perseus AT 204-9 Achromatic Doublet - $3244
Want to track down those DSOs? You need aperture. F6 or F9
Want to see great planetary detail? You need aperture. F9
The Rayleigh Limit for a telescope with a 6 inch aperture is approximately 0.9 arc seconds
The Rayleigh Limit for a telescope with a 8 inch aperture is approximately 0.7 arc seconds
An 8 inch scope gathers twice as much light as a 6 inch
An 8 inch scope has a limiting magnitude of at least 12.0
2 Element Achromatic Doublet designed by our own Master Optician Zdenek Rehor
210 mm Lens diameter with 204 mm (8 inch) clear aperture
1200 or 1800 mm Focal Length F5.9 and F8.8
Push-pull collimatable cell
Fully Multicoated lenses
Magnesium Alloy powder coated inside and out CNC machined tube
CNC machined, anodized and color scheme counter cell and back plate
New 3rd generation 2.5 inch fully rotatable, dual speed, draw tube brake,
CNC machined Crayford Style Istar focuser
Screw attached baffles.
Absolutely no plastic, glue, molded metal parts or thin walled aluminum
Scopes are hand assembled and individually star tested
F5.9 1220 mm tube length including dew shield
F8.8 1639 mm tube length including dew shield - 45 lbs.
All Scopes include free shipping anywhere in the continental US
8 inch scopes include an Istar US made newly designed 3rd generation focuser
5 year warranty on lenses and tubes
Available Pro style CNC machined powder coated tube rings
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