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  • AIRY ED100 refractor AIRY ED100 refractor

AIRY ED100 refractor

Product code: AIRYED100

Quick Overview

AIRY ED100 apochromatic refractor, 100mm diameter, 600mm focal length (f6), FPL-51 apochromatic doublet, aluminum tube with 2,7" Hybrid-Drive focuser with fine focus knob, 50.8mm OnAxisLock adapter, PLUS support rings.

Large diameter and high quality apochromatic refractors are expensive instruments? The new AIRY ED100 changes the rules by offering the excellent optical quality of 100mm diameter FPL-51 doublet ED lens, outstanding 2.7" focuser and a fantastic mechanics made with CNC machine at an affordable price. This instrument is still compact and portable, perfect for long exposure astrophotography with any type of CCD camera or DSLR! Telescope collimation and optics test included in the price!

Availability: In stock

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AIRY ED100 apochromatic refractor, 100mm diameter, 600mm focal length (f6), FLP-51 apochromatic doublet, aluminum tube with 2,7" Hybrid-Drive focuser with fine focus knob, 50.8mm OnAxisLock adapter, PLUS support rings.

The AIRY ED100 apochromatic refractor offers all this along with other first-class features:

FPL-51 100mm apochromatic lens

The AIRY ED100 apochromatic refractor uses a doublet lens with FPL-51 element fully multi-coated that offers superior correction of chromatic aberration, compared to the classic achromatic refractor, but at a lower price than the FPL-53 models. For this reason, the AIRY ED100 apochromatic refractor is perfect for those customers looking for a  large diameter instrument but at an affordable price, very good for long-exposure astrophotography. It's also perfect for those who use monochrome CCD cameras with narrow-band filters for color images (the use of such filters cancels the small residual chromatic aberration and makes perfect the final image).

The short focal length (600mm) and the fast focal ratio (6) make it perfect for wide field astrophotography of many extended objects such as the Pleiades (M45) or the North America Nebula (NGC7000), which will be shown in their full extent also with cameras equipped with not too large sensors (and therefore not too expensive). In order to maximize the quality of this apochromatic refractor using cameras with more than 15mm diagonal sensors (such as DSLRs), it can be used with the optional 1x field flattener which makes pinpoint stars up to image edges.

Giant 2,7" Hybrid-Drive focuser

One of the strengths of the refractor AIRY ED100 is its wonderful Hybrid-Drive 2,7" (with adapter to use 50,8mm accessories). The mechanical precision with which it is built eliminates the problem typical of normal Crayford focusers that, during the long exposures required by astrophotography, can have camera slippage moving the sensor out of focus. For this reason we have chosen to provide our AIRY ED100 telescopes with the new Hybrid-Drive 2,7" focuser that adds, under the focuser tube, a rack and pinion thereby maintaining in position even heavy cameras (capacity of up 8 Kg). Below the focuser there's also a locking screw: closing it, you will be sure that your camera will not move any more!

The Hybrid-Drive 2,7" focuser presents the connection for 50.8mm accessories. It also features a convenient 1:11 fine focus gear, particularly useful when you need to focus at high magnification. The focuser has a very long ride (95mm) to allow the use of both photographic instruments (cameras with accessories) and visual (eye and diagonal). For visual use, we recommend our 50.8mm XP dielectric diagonal for the observation of the sky or our XP 45° erect image prism for the one of terrestrial objects (use as a spotting scope).


OnAxisLock 50,8mm adapter

Using heavy photographic accessories such as DSLR or cooled CCD (often with filter wheels) cameras, it is crucial to avoid flexions when we insert them into the telescope's focuser. This also applies also to visual use when we connect large diagonal and wide field eyepieces (which are often very heavy). For this reason, the AIRY ED100's focuser has the new OnAxisLock locking device instead of normal thumbscrews. This allows you to perfectly lock the inserted accessory by rotating the outer (red) ring: a special inner ring tightens accessories with a uniform pressure. The OnAxisLock device also helps keep perfectly aligned on axis the accessories inserted into the focuser: you'll be so sure that the camera's sensor will be perfectly centered in the telescope optical axis.

Precision mechanical construction and 360° quality

You will be amazed of the mechanical quality of our AIRY ED100: full aluminum intubation made with precision CNC machine is rugged yet lightweight. All the components are treated at the highest levels to provide an instrument with which is a real pleasure to photograph or watch the sky!

The aluminum front dew shield can be closed to make the telescope more transportable. The front cap is completely aluminum made. The focuser can be rotated freely through 360 degrees (without changing the focus point) to position the camera with the right angle and perfectly frame the object you want to record. The AIRY ED100 refractor is an optical and mechanical jewel; to carry it or keep it protected at best, it comes with a beautiful hard case.

PLUS system support rings:

Forget about the uncomfortable and weak support rings that are often found in cheap telescopes! Our AIRY ED100 apochromatic refractor comes standard with beautiful aluminum anodized support rings, made with high precision CNC machines, which are part of the PLUS (Prima Luce Universal System) system. This lets you maximum freedom in adapting the telescope to your requests, and at the same time, it has all the threaded holes, holes and slots suitable for connecting all the PLUS compatible elements, always with simple M6 screws.

For example, you can choose to install either a Losmandy or Vixen plate type, or you can use the holes in the upper part of the rings to install a telescope in parallel (through the guide rings PLUS compatible) or another dovetail plat equals to one located below the telescope (to position where you want guide rings or to allow the sliding Vixen + Losmandy dovetail clamp).

A complete line of dedicated accessories:

Our complete line of accessories for AIRY let you personalize your telescope according to your needs. Always with quality and operating certificated instruments!


4 years extended warranty and Q-certified controls

All our AIRY apochromatic refractors are equipped with extended warranty, 4 years (instead of 2 of the most telescopes)! This way you will be sure not only to have a great product but also with quality that lasts over time! Each telescope is identified by a unique serial number which is also listed in the manual provided with the package. But our innovation doesn't end there.

In fact we have developed Q-certified, a comprehensive control system that we work out in our laboratory prior to shipment and delivery of the product you ordered. In fact, before delivering the AIRY ED100 telescope, we test the collimation and the perfect functioning of all mechanical components.

In addition, we pay much attention and care to shipping, carrying a sturdy packaging and giving it to the courier service. We want to be sure that you will receive your new AIRY ED100 not only in the shortest possible time but also with utmost care.

Left: every AIRY telescope is identified by a unique serial number. Right: functional and collimation verification of optics on optical bench.



AIRY ED100 apochromatic refractor - scope of delivery:

- Optical tube AIRY ED100 apochromatic refractor (D: 100mm F:600mm f/6)

Aluminum intubation

- 2,7" Hybrid-Drive focuser with 1:11 fine focus reduction

- OnAxisLock locking device on 50,8mm connection

Retractable dew shield

- PLUS system support rings, CNC machined

Connection for "DX-1 finder support for AIRY refractors"



AIRY ED100 Star Test performed recording with a color camera Betelgeuse star in intra focal position (left), focus point (center) and extra focal position (right).



Andromeda Galaxy (M31) recorded by Filippo Bradaschia and Omar Cauz with AIRY ED100 refractor, with 1x field flattener and ATIK 460EX CCD camera. 




Velo Nebula (NGC6992) recorded by Filippo Bradaschia and Omar Cauz with AIRY ED100 refractor, with 1x field flattener and ATIK 460EX CCD camera. 



Sir George Biddell Airy

Sir George Biddell Airy (27 July 1801 – 2 January 1892) was an English mathematician and astronomer, Astronomer Royal from 1835 to 1881. His many achievements include work on planetary orbits, measuring the mean density of the Earth, a method of solution of two-dimensional problems in solid mechanics and, in his role as Astronomer Royal, establishing Greenwich as the location of the prime meridian.

from: Wikipedia

Technical specifications

Optical Design Apochromat
Optics FPL51 doublet
Diameter (mm) 100mm
Focal Length (mm) 600mm
Focal Ratio 6
Field flattener/corrector Not included (optional)
Optical Tube Aluminium
Secondary Mirror Obstruction No
Focuser 2,7" Rack & Pinion Hybrid–Drive, micrometric
Eyepiece holder 50,8mm OnAxisLock
Weight 5 Kg
Hard/soft case Hard case

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  1. DA ESPOSIZIONE!!!! review by MASSIMILIANO on 5/11/2015

    Appena aperta la valigetta di alluminio sono rimasto a bocca aperta!
    Bello, in tutto, anche nei abbinamenti dei colori.
    È' da tenere in una vetrina del salotto per farlo ammirare a tutti!
    La meccanica é impressionante, il fuocheggiatore può tenere senza nessun gioco qualsiasi cosa, il movimento di messa a fuoco preciso e fluido a tal punto che resta quasi inutile il riduttore di giri.
    Il paraluce sembra che scorre su cuscinetti ed il tappo si mette e toglie molto bene ma sicuramente non entra polvere!
    La resa ottica Per uso terrestre è bellissima credo a livelli dei miglior teleobiettivi di uso fotografico, certamente è senza autofocus.
    Per uso astronomico guardando bene e con più attenzione si notano dettagli , profondità di campo e contrasto credo impensabili con un acromatico, per non parlare del cromatismo. Tutto questo sulla Luna e Giove per cui tale telescopio non sia poi il suo campo.
    Infine volevo segnalare la immensa e instancabile disponibilità del dott. Filippo Bradaschia, non che competenza.
    Come voto finale metto un 4 perché credo che con poche centinaia di euro in più potevano installare un obbiettivo FLP-53 come sui altri ED.
    Ma non ho le competenze per dire se è megliore o peggiore, è una mia opinione.

  2. AIRY ED100 PHOTO review by on 3/7/2015

    E' da un mese che sono in possesso dell'AIRY ED100 PHOTO, ottime rifiniture, focheggiatore robusto e preciso.
    Ottimo in osservazione e in fotografia, provato anche per fotografia naturalistica in appostamento, mantiene una buona nitidezza anche su lunga distanza.
    Grazie a PrimaLuceLab per la disponibilità a farlo provare prima dell'acquisto.

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