Home :: ASTRONOMICAL TELESCOPES :: Apochromatic Refractors :: Primaluce Lab APO Refractors :: Primaluce Lab AIRY APO104T 104mm f/6.25 Apochromatic Quintuplet Refractor Telescope with Field Flattener

Primaluce Lab AIRY APO104T 104mm f/6.25 Apochromatic Quintuplet Refractor Telescope with Field Flattener

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Model
AIRYAPO104T
Weight
5.20 kg
Our price:
$3282.72
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AIRY APO104T apochromatic refractor with field flattener, 104mm diameter, 650mm focal length (f6.25), FPL-53 apochromatic 5-elements design (front triplet with 2 ED lenses + rear 2 elements field flattener) with aluminum tube, 2,7" Hybrid-Drive focuser with fine focus knob, 2" filter drawer, PLUS support rings, transport hard case.

AIRY APO104T with field flattener is the perfect telescope for long exposure astrophotography: thanks to perfect color correction, great contrast and large flat field with dedicated field flattener (flat field diameter: 44mm), it creates spectacular images even with big size sensors (like FullFrame ones). Thanks to particular front lens with 2 ED lenses (instead of 1 as usual), AIRY APO104T provides the highest quality images for all applications: unlike other telescopes with integrated field flattener, you can remove the field flattener and use the telescope without restriction for visual application or for planets and Moon imaging. 

Telescope collimation and optics test included in the price!

The AIRY APO104T apochromatic refractor with field flattener offers all this along with other first-class features:

5-elements apochromatic design

AIRY APO104T uses a 5-elements optical design (front triplet with 2 ED lenses + rear 2 elements field flattener) just designed for astrophotography, offering large 44mm diameter flat field and perfect chromatic aberration! For this reason AIRY APO104T with field flattener is perfect also for the most difficoult astrophotography where very long exposure times are required, even with large sensor size camera!

More, instead of the usual triplets that use one ED lens and two Crown glass lenses, our AIRY APO104T with field flattener uses 2 ED lenses (one FPL-53 and one FPL-51), an innovative solution that allows you to get an even better chromatic aberration correction! The result is a perfect image, without any aberration with the colors that reach perfectly the same point of focus.

 

Giant Hybrid-Drive da 2.7" focuser

One of the strengths of the AIRY APO104T refractor is its wonderful Hybrid-Drive 2,7" focuser. The mechanical building precision 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 APO104T telescopes with the Hybrid-Drive 2,7" focuser that adds, under the focuser tube, a rack and pinion thereby maintaining in position even heavy cameras (load 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 field flattener is directly threaded on the focuser's tube to avoid flexions and the focuser 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 travel (95mm) to allow the use of both photographic (cameras with accessories) and visual (eyepieces and mirror diagonal) instruments. For visual use, we recommend our 50.8mm XP dielectric mirror diagonal.

Above image: hybrid-drive dual-speed focuser shown with included FIELD FLATTENER; the OnAxis Lock is optional accessory.

OnAxisLock 50,8mm locking device (optional)

Unlike other telescopes with integrated field flattener, you can remove the AIRY APO104T field flattener and use the telescope without restriction for visual application or for planets and Moon imaging. You simply have to thread (instead of the field flattener) the optional OnAxisLock 50,8mm eyepiece holder for 2,7" Hybrid-Drive focusers and you will have the 50,8mm connection in order to use various accessories like eyepieces, mirror diagonals or Barlow lenses.

The OnAxisLock locking device allows you to perfectly lock the inserted accessory by rotating the outer (red) ring (instead of normal thumbscrews as in other telescopes): 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 connected accessory 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 APO104T with field flattener: 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 APO104T refractor with field flattener is an optics and mechanics jewel, and to carry it or keep it protected at best, it comes with a beautiful aluminum hard case.

PLUS system support rings:

Forget about the uncomfortable and weak support rings that are often found in cheap telescopes! Our AIRY APO104T apochromatic refractor has beautiful aluminum anodized support rings, made with high precision CNC machines, which are part of the PLUS (Prima Luce Universal System) system. This gives you maximum freedom in adapting the telescope to your request; 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!

Click on the below image for higher resolution...:

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 APO104T 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 APO104T 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 APO104T apochromatic refractor with field flattener - scope of delivery:

- AIRY APO104T apochromatic refractor optical tube (D: 104mm F:650mm f/6.25)

Aluminum intubation

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

- Field flattener with T2 and M48 connection

- Filter drawer for 50,8mm filter

Retractable dewshield

- PLUS support rings

- Aluminum hard case

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

In this video Filippo presents the AIRY APO104T apochromatic refractor and explain its main features, especially for astrophotography:

Technical specifications

Optical Design Apochromat
Optics 5 elements APO (FPL53 + FPL51 front elements triplet and rear two elements field flattener
Diameter (mm) 104mm
Focal Length (mm) 650mm
Focal Ratio 6.25
Tube Rings PLUS Support Rings Included
Field flattener/corrector Included and removable
Optical Tube Aluminium
Secondary Mirror Obstruction No
Mirror Cell No
Focuser 2.7" Rack & Pinion Hybrid–Drive, micrometric
Eyepiece holder Not included: OnAxis Lock optional
Weight 6.2 Kg
Hard/soft case Hard case

USER IMAGES

Above: M31 galaxy recorded by Domenico De Luca with AIRY APO104T with field flattener and SBIG ST-8300M camera.

Above image: NGC7023 nebula recorded by Fabio Semeraro with AIRY APO104T with field flattener and QHY9M camera.

Above image: M51 galaxy recorded by Domenico De Luca with AIRY APO104T and SBIG ST-8300M camera.

Above image: M13 globular cluster recorded by Domenico De Luca with AIRY APO104T and SBIG ST-8300M camera.

 

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