|
Product Specifications: SVR90T-25SV Raptor Apochromatic Triplet
|
|
|
Description
|
Options (extra cost)
|
|
Objective
|
90mm diameter, 630mm focal length (f7), apochromatic triplet with Ohara FPL-53 center element
|
|
|
Tube Assembly
|
SVR90T Raptor: Carbon fiber tube and dew shield
SV90T: Aluminum tube and dewshield, Instrument White Powdercoating
|
|
|
Dimensions
|
OTA: 19 1/2” long, 3 1/2” diameter; 22” long with dew shield extended
|
|
|
Weight
|
SVR90T Raptor: 6.8 lbs. Rings weigh additional 1/2 lb each
SV90T: 7.5 lbs. Rings weigh additional 1/2 lb each.
|
|
|
Dewshield
|
SVR90T Raptor: 4.5” diameter retracting carbon fiber dewshield
SV90T: 4 7/16” diameter aluminum dewshield
|
|
|
Focuser
|
2 1/2” dual speed Stellarvue rack and pinion focuser with refractor break, with compression ring and 1 1/4” compression ring adapter
|
Upgrade to 2.5” Feather Touch focuser for $400 additional.
|
|
Finder
|
Optional
|
- Red Dot Finder F1001/F1001C
- Multi-retical Finder F2/F2A
- Optical Finder F50M2/R50A
|
|
Rings
|
Aluminum CNC machined hinged rings (R90). Five 1/4-20 threaded holes on top and bottom - a center hole and two sets spaced 1.5” and 60 mm respectively. Use either a Vixen TP14 rail or a Losmandy TP6 plate. NOTE: CNC clamshell can be substituted for the dual rings at no additional cost
|
|
|
Case
|
C18 heavy duty ultimate travel case
|
|
|
Diagonal
|
Optional
|
- Stellarvue 2” dielectric diagonal UD2
|
|
Field Flattener
|
Optional
|
- SFF7-25 threaded
- SFF3-25 for large chip cameras
|
|
Light Gain
|
165x (human eye = 1)
|
|
|
Theoretical Resolution
|
1.3 arc sec (Dawes Limit)
|
|
