Description
TRIPLET APO TECNOSKY FPL53 80/480 OWL SERIES
NEW APOCROMATIC REFRACTOR BASED ON A TRIPLET WITH FLUORITE OHARA FPL-53, LENSES BLACKED AT THE EDGES AND WITH FMC ANTI-REFLECTIVE TREATMENT IN BLUE-PURPLE COLOR.
OPTICAL TUBE MADE OF ALUMINUM WITH RETRACTABLE LIGHT HOOD AND INTERNAL DIAPHRAGM.
EXTREMELY COMPACT AND LIGHTWEIGHT (ONLY 3.9KG IN WEIGHT AND 385MM IN LENGTH WITH RETRACTED LENS).
NEW 2.5" PRECISION RACK FOCUSER WITH REDUCTION TO 1.25", ROTATABLE AND 1:10 MICROMETRIC KNOB TO FACILITATE THE CENTERING OF OBJECTS, BEFORE THE 2" EYEPIECE HOLDER THERE IS A PRECISION FIELD ROTATOR .
THE 2" EYEPIECE HOLDER HAS A QUICK-LOCK LOCKING SYSTEM AND THE 2" TO 1.25" REDUCTION ALSO HAS A SELF-CENTERING LOCKING SYSTEM
THE NEW DESIGNED RINGS ARE RAISED AND ALLOW THE USE OF LONG VIXEN OR LOSMANDY BARS TO BALANCE COMPACT PIPES EVEN WITH HEAVY CAMERAS
ABOVE THE RINGS THERE IS A CONVENIENT HANDLE WHICH ALSO WORKS AS AN OBJECT HOLDER BAR WITH VIXEN DOVETAILS AND MANY HOLES AND SLOTS.
THANKS TO THE TRIPLET OPTICAL CONCEPT AND THE USE OF OHARA FPL-53 GLASS, THE CHROMATISM IS ABSENT BOTH IN VIEW AND IN PHOTOGRAPHY, FURTHERMORE EACH SPECIMEN COMES WITH AN INDIVIDUAL OPTICAL CERTIFICATE WITH A MINIMUM STREHL RATIO OF 0.95, A VERY HIGH VALUE THAT IT GUARANTEES TOP-LEVEL OPTICAL QUALITY!
IF USED WITH THE TECNOSKY 0,8X FLATENER/REDUCER, IT BECOMES AN INCREDIBLE ASTROGRAPH WITH F/4,8 FOCAL RATIO.
ALSO COMPATIBLE WITH THE 1X AND 0,8X FULL FRAME FLATTENATORS
THE EQUIPMENT IS COMPLETED WITH A PADDED RIGID SUITCASE.
TECHNICAL FEATURES:
AIR-SPACED APO TRIPLET WITH SYNTHETIC FPL53 FLUORITE CENTRAL LENS, FRONT AND REAR HIGH REFRACTIVE INDEX LENS. ALL SURFACES ARE FMC TREATED.
INTERFEROMETRIC OPTICAL CERTIFICATE WITH MINIMUM STREHL 0.95
ALUMINUM INTUBATION, MADE WITH CNC MACHINES. INSIDE THERE ARE DIAPHRAGM ON THE CUTTING EDGE TO ELIMINATE REFLECTIONS
RETRACTABLE LENS HOOD WITH LOCKING KNOB
NEW 2.5" RACK FOCUSER WITH 2" AND 1.25" SELF-CENTERING LOCKING AND FIELD ROTATOR
ON ONE SIDE OF THE FOCUSER IS A 1:10 MICROMETRIC KNOB. A GRADUATED SCALE IS PRINTED ON THE TUBE. ADAPTER FROM 50.8 TO 31.8MM INCLUDED
PRECISION CNC RINGS WITH LONG VIXEN BAR AND ACCESSORY HOLDER HANDLE
THE RELATIVELY LARGE FOCUSER LIGHTS UP FULL-FRAME CAMERAS AND ENABLES PRECISE FOCUS WITH A REDUCTION OF 1:10. THE INTEGRATED FIELD ROTATOR ALLOWS YOU TO ROTATE THE CAMERA TO THE DESIRED ORIENTATION TO GET THE OPTIMAL FRAME. THE FOCUSER ACCEPTS 2" SOCKETS THROUGH A SELF-CENTERING LOCKING SYSTEM. THE SAME SYSTEM IS ALSO INTEGRATED INTO THE 1.25" SLEEVE ADAPTER. THIS WAY THE ACCESSORIES CAN BE TIGHTENED GENTLY IN THE CENTER, EVEN IF YOU WEAR THICK GLOVES!
NEWLY DEVELOPED PIPE CLAMPS ALLOW THE USE OF VIXEN AND LOSMANDY DOVETAIL GUIDES. ABOVE THE RINGS IS A COMFORTABLE GRIP, ALSO IDEAL FOR MOUNTING OTHER ACCESSORIES, FOR EXAMPLE A FINDER.
FOR PHOTOGRAPHIC USE, TECNOSKY OFFERS AN OPTIONAL 0.8X FLATFORMER/REDUCER, WHICH GIVES THE APOCROMATIC A FAST FOCAL RATIO OF F/4.8.
A ROBUST STORAGE CASE IS INCLUDED IN THE DELIVERY CONTENTS.
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