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L’OFFERTA SARA' DISPONIBLE FINO AL
THE OFFER WILL BE AVAILABLE UNTIL

 

31/07/2021

Offerte a tempo
RIFRATTORE TELEVUE 127mm, f / 5.2, APO (Nagler-Petzval) - VERSIONE STANDARD E FLI
RIFRATTORE TELEVUE 127mm, f / 5.2, APO (Nagler-Petzval) - VERSIONE STANDARD E FLI
TELEVUE NP127IS - Rifrattore APO (Nagler-Petzval) 127mm, f / 5.2 - Imaging / Visual. Basato su esemplari field wide e obiettivi con funzionalitą aggiuntive per rendere l'imaging pił semplice e flessibile. TELEVUE NP127IS - Rifrattore APO (Nagler-Petzval) 127mm, f / 5.2 - Imaging / Visual. Basato su esemplari field wide e obiettivi con funzionalitą aggiuntive per rendere l'imaging pił semplice e flessibile. TELEVUE NP127IS - Rifrattore APO (Nagler-Petzval) 127mm, f / 5.2 - Imaging / Visual. Basato su esemplari field wide e obiettivi con funzionalitą aggiuntive per rendere l'imaging pił semplice e flessibile. TELEVUE NP127IS - Rifrattore APO (Nagler-Petzval) 127mm, f / 5.2 - Imaging / Visual. Basato su esemplari field wide e obiettivi con funzionalitą aggiuntive per rendere l'imaging pił semplice e flessibile.

 

Questa offerta sarą disponibile fino al 31/07/2021 ma č possibile prenotarlo fin d'ora, per garantirsi la prioritą nell'acquisto e il prezzo in offerta. La prenotazione puņ essere effettuata compilando il modulo sottostante.

 

This Offer will be available until 31/07/2021, you can book it right now, to secure priority in the purchase and the price on offer. Reservations can be made by completing the form below.

 

TELEVUE - TVNPI5054
TELEVUE NP127IS - Rifrattore APO (Nagler-Petzval) 127mm, f / 5.2 - Imaging / Visual. Basato su esemplari field wide e obiettivi con funzionalitą aggiuntive per rendere l'imaging pił semplice e flessibile.
127mm, f/5.2 APO (Nagler-Petzval) Refractor - Imaging/Visual. Based on exemplary wide field and planetary visual scopes with added features to make imaging easier and more flexible.
EUR       9.524,00
 RISPARMI 325,00 EURO 
EUR      9.199,00  

 

EUR 7.540,16 + local tax VAT 22%. Only for EU customer    
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Concetto: 

le telecamere CCD hanno sfidato l`ottica del telescopio al di lą di qualsiasi cosa mai collocata sul piano focale. Sapevo che i nostri obiettivi APO erano all`altezza della sfida e con le dovute modifiche sarebbero stati strumenti straordinari per l`imager. Con i telescopi Tele Vue Imaging System ("is"), abbiamo perfezionato i nostri strumenti e le apparecchiature opzionali al di lą di qualsiasi cosa abbia visto un chip CCD. (Nota del revisore.) Abbiamo iniziato in piccolo (letteralmente) nel 2005 con il Tele Vue-60is e il kit micrometrico digitale disponibile. Ottenendo il plauso della critica con il 60is, siamo stati incoraggiati a sviluppare ulteriormente i telescopi e gli accessori "is" per massimizzare l`apertura, la copertura del campo reale e le prestazioni e per rendere i processi pił facili per l`imager. - Al Nagler

Concept: CCD cameras have challenged telescope optics beyond anything ever placed at the focal plane. I knew our APO objectives were up to the challenge, and with the proper tweaks would be extraordinary tools for the imager. With Tele Vue Imaging System ("is") telescopes, we have refined our instruments and optional equipment beyond anything a CCD chip has seen. (Reviewer Note.) We started small (literally) in 2005 with the Tele Vue-60is and available Digital Micrometer Kit. Achieving critical acclaim with the 60is, we were encouraged to further develop "is" telescopes and accessories to maximize aperture, real field coverage and performance, and to make the processes easier for the imager. - Al Nagler

For 30 years, Tele Vue has pushed the boundaries of APO refractors, as well as eyepieces, to the recognized pinnacle of performance. We were gratified but not surprised that Backyard Astronomer`s Guide said of the NP101: "optics don`t get any better than this." No wonder Sky and Telescope rated the NP101 tops and selected it as the test instrument for its landmark review of the SBIG STL11000 CCD camera . The "is" versions of the Tele Vue-60, NP101, and NP127 retain the exemplary wide field and planetary visual capability while adding new features to make imaging easier and more flexible.

Tele Vue-NP101is
Tele Vue-NP127is
We were determined to make the NP series optically, mechanically, and functionally as perfect as possible for imaging up to 50mm diagonal chips without penalty to its near ideal visual operation. (Reviewer Note.) How? By applying the developments created for the Tele Vue-60is to the new NP101is and NP127is and then going beyond.

The NP101 (540mm, f/5.4, 4") and NP127 (660mm, f/5.2, 5") maintain their optical specifications yet with redesigned 4-element optical systems. Larger rear lens groups absolutely minimize vignetting in formats up to 50mm diagonal. For these large chips an optional field corrector was developed (Reviewer Note.) so the corners of the newly brightened edges would virtually be as perfect as the center of the field.

Next, to take full advantage of the larger lenses, we developed a larger focuser and draw tube having a 3" front aperture and 2.4" rear aperture. This eliminates any restriction of the larger diameter converging light cone. We build and test the rack and pinion focuser to hold 12 lbs. of weight, yet still permit extremely fine focusing control via a 10:1 dual speed pinion assembly. This new draw tube also permits quick change from visual to imaging operation and allows full camera rotation without focus change. In addition, it has the capability to correct for any residual focal plane tilt and accepts a "position stop" for our digital micrometer to allow repeatable focus measurement to 0.0001".

To maintain squareness to the optical axis while changing camera orientation, the draw tube has three lock screws that tighten against a taper on the "imaging insert" ring. This insert is threaded to accept Tele Vue`s new Imaging System accessories including large diameter extension tubes, optical accessories, and camera and CCD attachments, all with mating threads. (Reviewer Note.)
The Focusmate 10:1 planetary ball type reduction focuser provides extremely sensitive focus adjustment, measurable with the optional Digital Micrometer Kit to better than 1/10,000". Also, the optional Focusmate Driver permits electronic motor control of the focusing process. The Focusmate Driver has direction push-buttons and adjustable speed. A tap on the button permits vibration-free focusing in steps as small as approximately 0.0005".

Tele Vue has been known for producing visual instruments "even better than you imagined." We aim to achieve the same with our imaging equipment. Our dedicated local machinists and in-house staff are as committed as ever to deliver on these quality and performance goals.

NP127is Hard Case Specifications
Custom fitted case fits TV-NP127is only.
Supports telescope by the tube, taking pressure off the front cell and focuser pinion.
Positive lock latches with locks.
Mount Rings, Digital Indicator, and Starbeam friendly.
Retaining mechanism holds case lid open at 90°.
Foam cutouts for 2" diagonal, 3 x 2" eyepieces, & 1 x 1¼" eyepiece.
Approximate maximum exterior dimensions (excluding handle): 37 x 12½ x 9-inches (94 x 32 x 23-cm).
Approximate empty weight: 12.4-lb (5.6-kg).
 

Caratteristiche Tecniche / Specifications

Type APO (Nagler-Petzval) Refractor
(Elements/Groups: 4/2)
Objective (mm) 127
Focal Length (mm) 660
Focal Ratio (f/#) 5.2
Length OTA (inch) 33.5
Length with diagonal (inch) 36.5  (with 2-inch diagonal)
Weight OTA/Std. Config (lbs) 14.5 / 14.5
Drawtube/Focuser 2.4-inch, Focusmate dual-speed rack/pinion
Maximum Visual Field (deg.) 4 (with 2-inch 55mm Plössl)
Maximum Recommended Power (x) 300
Tele Vue Eyepiece Performance View Eyepiece Chart

Included Accessories
TV - NP127is & TV - NP101is
Enlarged focuser with 3" entrance aperture and 2.4" exit aperture
Focuser body has brass clamp ring with 2-lock knobs
Accessory end-ring with tilt capability and 3-lock knobs
Imaging insert threaded for Imaging System components.
2" accessory insert for visual or other 2" accessories
Focusmate dual-speed focuser 10:1
Sliding metal dew shield
Screw-on metal lens cover
Hard-shell carry case

 
UNITRONITALIA Instruments S.r.l. Via G.B.Gandino, 37/39/41 - 00167 ROMA - Italy - Tel. 06 39738149 - Fax. 06 39760014 - email: contact@unitronitalia.com
Orario ufficio da Martedi a Sabato: 10:00-13:00 / 14:30-19:30 Orario apertura al pubblico da Martedi a Venerdi 14:30 / 19:30 Sabato 10:00-13:00 / 14:30-19:30 email: shop@unitronitalia.com
RI ROMA/2010 C.S. 60000 i.v. - VAT/P.IVA IT 10878271005 REA 1261155
E' vietato copiare immagini e contenuti dei testi senza il consenso scritto della UnitronItalia Instruments Srl.

 

 

 

 

 

 

 

 

 

 

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