FOCUSER:3” Stellarvue rack and pinion focuser. Focuser drawtube adapter is threaded for the SFF3 flattener. Comes with 2” and 1.25” compression ring adapters.
OBJECTIVE LENS:101.5 mm clear aperture, 714 mm focal length (f-7), air spaced apochromatic triplet using an Ohara FPL53 center element. SVX .98 Strehl or higher. Test report included.
TUBE ASSEMBLY:Lightweight, fully baffled, aluminum tube and dewshield. Painted ultra flat black inside. 105 mm diameter main tube.
DEW SHIELD:4-3/4” diameter, 8-5/16” long retracting aluminum dewshield with cap.
DIMENSIONS:OTA: 19.25” long in travel mode (focuser unthreaded), 23.5” long with focuser in place and dewshield retracted; 29” with dewshield extended.WEIGHT:9.8 lbs with 2” adapter and 1 1/4" adapter. Rings weigh .8 pounds each.FINDER:Optional. We carry the F001 red dot finder and the F002 multi reticle finder.
RINGS:American made R105 set with five 1/4-20 threaded holes top and bottom. Holes are spaced 1.5” and 60 mm apart respectively, with one in the center. Made on Haas cnc machines.
PLATE/RAIL:Optional. We recommend the TP-10 rail for telescope mounts using the Vixen style rail or use the optional TP6 for mounts that use the larger Losmandy style rail.
CASE:C009S Heavy Duty Travel Case
DIAGONAL:Optional. Please note, you can purchase our 2" diagonal upgrade for only $139 above. The upgrade diagonal is the same as the D1029ED deluxe dielectric diagonal but it does not come with a 1.25" adapter since the telescope already has one.
FIELD FLATTENER:Optional. We recommend the SFF4-120T.LIGHT GAIN:213X (human eye = 1)Image Circle with 3" Focuser and SFF4:43mmImage Circle with 3" Focuser and .8X Reducer/Flattener:25mm