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Altair Wave Series 115mm F7 ED Triplet APO Refractor Telescope

Price:  £1,599.00 (Inc. 20% VAT)Earn 1,599 Loyalty Points

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Model:  AA115-2014
Brand:  Altair

Altair Wave Series 115mm F7 ED Triplet APO Refractor Telescope
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The 2014 "silver trim" version of the Altair Astro 115mm ED Triplet APO is here! There are some small changes to the product, although the optics are the same and need no introduction. Please see the updated thumbnail photos of the new OTA and focuser.

Newer more refined OTA design (identified by silver trim)
New "Rack 'n Pinion" geared Focuser with self centering 2" aperture and 2" to 1.25" adapter.
The Altair Astro 115mm F7 EDT APO is a highly specified triplet APO refractor which significantly outperforms 4" refractors both in resolution and light grasp, whilst still remaining quite portable.

The Altair 115mm F7 EDT is the ideal multi-purpose telescope platform, suited for the amateur astronomer interested in both visual and imaging use, and offering excellent performance in both areas. It offers a wide-field or a high power view and is therefore more versatile than a Cassegrain type reflector, enabling high contrast views of planets and wide field deep sky objects.

Altair Wave Series optical test report: Your Altair 115mm ED Triplet APO optics are repeatedly tested and re-figured during the final stages of production, until signed off by the optician in charge of the production batch. The best quality Ohara SFPL-51 glass is used in the ED element, which is fully annealed and cooled to relieve internal stresses. Each lens cell has a serial number engraved on the front ring. Working closely with our optical technicians, we have introduced a unique multi-tier quality assurance process for all Wave Series lenses, to ensure the highest quality and lowest chromatic aberration. These lenses are modified, and are far superior to the "normal" production quality lenses offered by most manufacturers. Star tests speak for themselves, and colour correction is superb, as can be seen from the various observing reports and images taken with Wave Series refractors. Blue stars show negligible bloat in long exposure images. During the production process, a laser interferometer image is acquired in 532nm green light, and imported into fringe analysis software to create an optical test report summary. This test report is included with your telescope (see example image attached in the thumbnails below the main product image). Each image is a "snapshot in time" of the lens on the test bench. Vibration, air currents and other environmental factors can influence the image, and the outcome of the report slightly, though these factors are minimised during testing. Providing a test report is a useful way for us to assure that our our production quality is consistent from batch-to-batch. A paper report printout is included with your telescope, which corresponds to the serial number visible on the lens (an example report is shown in the thumbnail images below the main product image, with the serial number deleted).

The optional Altair PLANOSTAR 3" Field Flattener for astro-imaging (PLANOS-3.1.0-M48): This optional, dedicated large format field flattener is available separately with this telescope package for use with CCD imaging chips. The large format 3" field flattener screws into the rear of the focuser by means of a special adapter (PLANOS-3-1.0-M48-RP25-ADAPT) which replaces the rear self-centering adapter. These threaded connections reduce flex in the imaging train, resulting in tighter star images, and sharper images. A conical rear adapter with an M48 rear thread is included with the flattener, and the correct spacing for Nikon or Canon EOS DSLR cameras can be obtained with the special Altair Astro low profile Canon DLSR adapter (M48DSLR-EOS), or the standard Skywatcher Nikon M48 DSLR adapter. If you have a CCD camera, our variable M48 spacers can be used to get the right distance to the CDD chip. (See associated products for the Altair Planostar 3" field flattener).

The optional Altair Planostar 0.79x 3" Reducer Field Flattener (PLANOS-3-0.79X-M48) converts your Wave Series telescope into a fast F5.5 focal ratio astrograph. It attaches directly to the focuser when the 2" self centering assembly is unscrewed, and no adapter is required. (See associated products).

Altair 10x60mm deluxe right angle finder scope: An optional Altair Astro 60mm right angled deluxe finder scope is also avialable separately, with a machined bracket to fit the 3" focuser, a brightness adjustable red crosshair illuminator, and a wide field eyepiece with helical focuser. A 60mm finder offers significantly more light grasp than a 50mm finder and the optical quality is very high. Blackened lens edges and low reflectance multi-coatings ensure sharp, contrasty images across a very flat field, to help you find fainter objects against the night sky. The image in the finder is the right way up and orientated correctly left-to-right which means the what you see is what you get. Star charts will match up with your view through the finder, making object location much quicker and easier. Furthermore, the right angled design lets you use the finder from a more comfortable position compared to a straight-through finder. NEW - Autoguiding with your finder! It's also now possible to order the Altair 60mm Miniguider which includes our 60mm finder optical tube, rings and bracket and special focuser to connect your webcam/autoguider with 1.25" nosepiece, enabling you to guide your scope with minimal weight increase and maximum portablity using the existing finder mounting point on the telescope focuser. The autoguider/webcam locking focuser is also available to retrofit to the Altair Astro 60mm finder scope if you have one already, or prefer the flexibility of a finder AND autoguider in one unit.

What performance improvement does the Wave Series triplet ED lens offer? The Altair 115mm APO sports a triplet air-spaced lens cell for better colour correction than normal doublet or dual lens telescopes. This results in higher contrast, and a cleaner sharper image with less spurious colour. The combination of a triplet ED lens system with high surface accuracy and the fact that this telescope does not have a central obstruction like a reflector telescope, means that it will deliver increased contrast compared to a reflector telescope such as a Schmidt Cassegrain or Newtonian of slightly more aperture, revealing more detail. This is why you'll hear amateur astronomers say things like " an APO punches above it's weight in aperture compared to a reflector" or " this gives a planetary image like only a refractor can" and so-on. Because there are more optical surfaces and materials involved, a triplet APO triplet refractor costs more than a comparable ED doublet or "semi-APO" - as well as reflectors of similar aperture. Never has the statement "you get what you pay for" been more true. An additional advantage is that you get a wide-field view and a high power view in one package, offering more flexibility than an SCT or Maksutov. Please note, we aren't saying that Maksutovs and reflectors are inferior designs by any means - a premium refractor just offers more clear aperture at the same size if compared directly, however it also costs more money per inch of aperture. There's no such thing as a free lunch when it comes to optics! Feel free to email us to discuss your individual observing style, and which scope is best for you.

What can I expect to see with this telescope?
The Altair Wave Series 115mm APO will deliver very high contrast images of planets and the Moon. Under steady skies you will easily be able to see detail and changing weather patterns in the cloud belts of Jupiter, the pastel shades of Saturn's planetary disc, as well as the Cassini Division in Saturn's rings. You'll be able to distinguish the changing weather patterns on Mars, as well the dusky surface features and the ice-white polar caps (seasons permitting). Remember planetary viewing is perfectly possible in the city and that light pollution will not affect your view at all. The Moon will reveal so much detail that is isn't worth going into here, suffice to say that you could spend many hours watching the sun rise over crater walls, Lava plains, impact craters and mountain ranges. In terms of deep-sky objects the 115mm 7 performs best on the brighter Messier Objects. under dark skies, it will resolve the individual stars in globular clusters like M13 in Hercules, and you will be able to see wisps of nebulosity in objects like the Orion Nebula giving it a 3D effect, as well as the dust lane in the Andromeda galaxy quite easily. The Ring nebula in Lyra is also presented a nice target and a blue/green colour cast was quite visible. This telescope can be used with nebula and light pollution filters to bring out even more detail.

115mm F805 APO specification:
Aperture - 115mm F805mm Focal Length
Resolution - 1.01 arc seconds
Limiting Visual Magnitude - 11.1
Highest Useful Magnification - 230x (atmospheric conditions permitting)
Air spaced ED triplet APO lens with optical test report and interferogram image
Fully multi coated on all optical surfaces for high transmission
Aluminium with white stardust paint
Retractable, lockable dew shield
New 2014 2.5" Dual speed Rack 'n Pinion focuser (360 degree rotation with Teflon tipped screws)
2" to 1.25" Self-Centering Adapter
1:10 ratio micro focuser knob
Optional 60mm Deluxe right angled finder scope with illuminated reticule
CNC machined tube rings compatible with Altair TMS M6 hole spacing.
Vixen format dovetail plate
2" adapter with brass compression ring and two clamping screws
Scope Weight - approx.7.2kg including tube rings, without accessories
Scope Length 72cm with dewshield retracted, 88cm with dewshield extended
Case * Please note: The case is sold as "packaging only" and is provided with this telescope to protect it during shipping. The product guarantee does not extend to damage of the case during shipping, nor failure of the case, catches, zips, foam, or other fittings, and you are not being charged for the case when buying a telescope. If the case has absorbed damage, it is considered to have fulfilled it's function to protect the contents (which are of course guaranteed to arrive undamaged).

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