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Altair Wave 102ED (f7) Triplet
Apochromatic refractor for visual observation and imaging
To order this item outside mainland Britain or Highlands & Islands, please contact us.
Altair Wave 102ED Triplet.
  • High quality apochromatic refractor
  • Lens type: FPL-53 ED Triplet
  • Lens diameter: 102mm
  • Focal ratio: f7
  • Focal length: 715mm
  • Dual speed (1:10) 3" Heavy-duty focuser
  • Robust construction
  • 3" push-fit adapter included
  • Metal knife-edge baffles
  • Retractable dew shield
  • Mounting rings
  • Protective case with foam padding included
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Altair Wave 102ED Triplet
Package includes:
  • Altair Wave 102ED Triplet optical tube (no mount or tripod).
  • 3" Dual Speed 1:10 focuser.
  • Mounting rings with screws.
  • Dovetail bar.
  • Protective case with foam padding.
  • OFFER: Please refer to the right hand column on this page.
Optional Accessories
Altair 10x60mm Right Angled Illuminated Finder Scope. + £169.00
Miniguider locking focuser for Altair 60mm Finder Scope. + £39.99
Altair PlanoStar 3" Field Flattener (M48 x 0.75 fitting). + £139.00
Ascension 2" 90° Dielectric Diagonal. + £79.00
Opticstar XS 70° 1.25" 10mm Super Wide Angle eyepiece. + £40.00
Opticstar XS 70° 1.25" 20mm Super Wide Angle eyepiece. + £40.00
Opticstar XS 70° 2" 32mm Super Wide Angle eyepiece. + £65.00
Opticstar XS 70° 2" 38mm Super Wide Angle eyepiece. + £70.00
Opticstar 1.25" x3 ED Photo-Visual Barlow Lens. + £49.00
Opticstar 2" x2 ED Barlow Lens. + £59.00
Opticstar 1.25" Deluxe Diagonal. + £29.95
Opticstar 1.25" Deluxe Prism Diagonal (correct orientation). + £34.95
Opticstar 2" Extension Tube. + £19.95
Starwave Dual Saddles (Vixen-type) & Dovetail Bar + £75.00
Starwave Dual Saddles (Vixen & Losmandy-type) & Dovetail Bar + £85.00
Order No. Price Shipping Delivery click button to purchase
ALRW102EDT £ 1495.00 £ 6.00
Delivery information: This item is dispatched from Altair Astro's warehouse. Typically, delivery takes 3 business days but it can take longer in some cases. For more precise delivery information please contact us by email or telephone.
Astronomy Now Review
(PDF)

Outline
The Altair Astro Wave Series 102mm f7 Super ED Triplet APO is a highly specified refractor, offering premium class visual or imaging performance. This telescope is a natural choice for customers wanting the best possible optical performance in a portable package, and has attracted rave reviews from Beta testers, as well as a very positive review in Astronomy Now Magazine where it was thoroughly tested in visual observing mode and imaging mode, with the optional Planostar dedicated flattener. The 102mm offers the portability to suit smaller equatorial mounts.

The Altair 102-715 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.

Optics
The 102-715 Super ED Triplet APO optics are hand polished at the final stages of production and repeatedly tested until signed off by the optician in charge. The best quality Ohara SFPL-53 glass is used in the ED element, which has an Abbe number of 94.94 plus or minus .01 per batch. SFPL-53 is referred to as Synthetic Fluorite or Super ED. Fluorite crystal by comparison is 94.99 with slightly more variation from batch-to-batch, and less stable chemical, thermal and physical properties. Each lens cell has a serial number, guaranteeing it's originality as a genuine Altair Astro optic. Working closely with contractors, Altair Astro has introduced a second and unique quality assurance process for all Wave Series lenses, to ensure the highest quality and lowest chromatic aberration. These lenses are extensively modified, and perform far in excess of normal production quality lenses. Star tests speak for themselves, and colour correction on images is amongst the best in it's class, as can be seen from the various images taken with the Wave Series refractors - with blue stars in particular.

A laser interferometer image in 532nm green light is included with your telescope. This is the final test image created once the optician has completed your unique objective, and stands as a certificate of quality attained by this second-tier production process.

Focuser
3" Focuser for astro-imaging: The large format rotating 3" CNC machined focuser offers a rigid and stable platform for imaging use. The pushfit adapter accepts all 2" accessories for visual use, such as star diagonals. It features 3x clamps, and a brass compression ring, offering increased rigidity compared to single screw designs. The focuser can be fully automated and motorised within minutes with the optional USBnStep motor focusing systems, offered separately.

Optional Altair PLANOSTAR 3" Field Flattener for Astro-Imaging
A 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 directly to the rear of the focuser (the 2" push-fit adapter can be removed) to reduce flex in the imaging train with threaded-only connections, resulting in tighter star images, and sharper images. A conical rear adapter with an M48 rear thread is included, and the correct spacing for Nikon or Canon EOS DSLR cameras can be obtained with the special Altair Astro low profile Canon DLSR adapter, 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.

Optional 10x60mm Deluxe Right Angle Finder Scope
A optional Altair Astro 60mm right angled deluxe finder scope is also available 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. Its also now possible to order the optional Altair 60mm Miniguider which includes our famous 60mm finder optical tube, rings and bracket with a webcam/autoguider adapter, enabling you to guide your scope with minimal weight increase and maximum portablity using the existing finder mounting point. The autoguider/webcam adapter is also available separately 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.

Optical Performance
What performance improvement does the 102mm triplet ED lens offer? The Altair 102-715 APO sports a triplet air-spaced FPL-53 Super ED lens system for better colour correction than normal doublet or dual lens telescopes. This results in higher contrast, and a cleaner sharper image with no spurious colour visible at all in the image. Blue colour correction is particularly good and we rate this telescope as having the best colour correction in our current product range.

The combination of a triplet ED lens system with very 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 its weight in aperture compared to a reflector" or "this telescope 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 a lot more than a comparable doublet 2 lens design, 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 ED Doublets, Maksutovs and reflectors are inferior designs by any means - a premium triplet refractor just offers higher performance "clear" aperture at the same size if compared directly, however it also costs more money per inch of aperture.

Mounts
There are several options available, as well as mounting hardware to suit your use scenario. Mounts capable of carrying this telescope are the iOptron Minitower and Minitower PRO, iOptron iEQ45, Celestron/Synta VX, CGEM, EQ5/HEQ5 or Vixen GP range. For imaging, an iOptron iEQ45, Losmandy GM8 or EQ6 are fine for this scope.

Altair 102mm ED Triplet APO Specification
  • Aperture - 102mm, focal length f715mm.
  • Resolution - 1.01 arc seconds.
  • Limiting Visual Magnitude - 11.1.
  • Highest Useful Magnification - 230x (atmospheric conditions permitting).
  • Air spaced ED triplet APO lens.
  • Fully multi coated on all optical surfaces for high transmission.
  • Aluminium with white stardust paint.
  • Retractable, lockable dew shield.
  • Dual speed 3" focuser (360 degree rotation).
  • 1:10 ratio micro focuser knob.
  • Optional 60mm Deluxe right angled finder scope with illuminated reticule.
  • CNC machined tube rings compatible with Altair TMS.
  • Vixen format dovetail plate.
  • 2" adapter with brass compression ring and two clamping screws.
  • Tube Weight - approx. 5.5 kg.
  • Length - with dew shield retracted approximately 615mm.
  • FREE Flight Case included. (Please note that the case is "free", and its designed to protect the telescope during shipping. We will not be able to repair cases which are scratched or dented or have absorbed knocks, because it isn't economically feasible. To put it another way we consider the case to be expensive packaging to protect the optics, and if its dented, then its doing its job. We do of course guarantee that the telescope arrives in perfect working order, and delivery is fully insured by courier).


Accessories
The following table lists a number of accessories that may be of interest to some customers.
Vixen-Style dovetail accessories
Image Product Page Description
Opticstar 120mm Scope Rings and Dovetail, Vixen-style Collimating rings and dovetail to mount small refractors on mounts such as the Celestron CG4, CG5, Sky-Watcher EQ3-2, EQ5, HEQ5, EQ6, Vixen mounts, etc.
Celestron Universal Dovetail Bar - Vixen-style Dovetail to mount refractors on mounts such as the Celestron CG4, CG5, Sky-Watcher EQ3-2, EQ5, HEQ5, EQ6, Vixen mounts, etc.
Farpoint "Sure Grip" Saddle - Vixen-style Saddle for Vixen-style dovetails to mount optical tubes.
Starwave Dual Saddles (Vixen-type) & Dovetail Bar Two Vixen-type saddles and Vixen-type dovetail bar to fit two optical tubes on a single mount.
Farpoint Side-by-Side Saddles - Vixen-style Two Vixen-style saddles and Vixen-style dovetail to mount two optical tubes on a single mount.
Sky-Watcher Equatorial Mounting Plates Dovetails of various lengths, to attach optical tubes to Vixen-style equatorial mounts
Opticstar Mini Dovetail - Vixen-style Compact dovetail to attach small optical tubes to Vixen-style equatorial mounts
Opticstar Short Dovetail - Vixen-style Short dovetail to attach small optical tubes to Vixen-style equatorial mounts
Losmandy-Style dovetail accessories
Image Product Page Description
Celestron Universal Dovetail Plate - Losmandy-style Dovetail to mount refractors on mounts such as the Celestron CGE Pro, Sky-Watcher NEQ6 PRO, AZ-EQ6GT, etc.
Starwave Dual Saddles (Vixen & Losmandy-type) & Dovetail Bar A Vixen-type saddle and a Losmandy-type saddle with a dovetail bar (Losmandy-type) to fit two optical tubes on a single mount.
Farpoint 125mm Scope Rings and Dovetail Adapters, Losmandy-style Collimating rings and two adapters for Losmandy-style dovetails to mount refractors on mounts such as the Celestron CGEM, GGE Pro, Losmandy, etc (dovetail plate not included, please see below).
Farpoint Dovetail Plates for Celestron SCTs, Losmandy-style These plates mount onto existing holes on the Celestron Schmidt-Cassegrain telescope tube.
Farpoint Dovetail Plates for Meade SCTs, Losmandy-style These plates mount onto existing holes on the Meade Schmidt-Cassegrain telescope tube.
Farpoint Vixen Saddle to Losmandy Saddle Adapter Adapter to fit optical tubes with Vixen-style dovetails on Losmandy-style saddles.
Other accessories
Image Product Page Description
Opticstar 1.25" Extension Tube Used to achieve focusing with long focal length eyepieces where focal travel on the telescope is limited.
Opticstar 2" Extension Tube Used to achieve focusing with long focal length eyepieces where focal travel on the telescope is limited.
Opticstar M48(M) to 2" Nosepiece Nosepiece for 2" drawtubes with a male M48x0.75 thread at the back. Threaded for filters. Can be used to attach DSLR cameras to the telescope (also requires the appropriate M48 ring adapter).
Opticstar T-thread to 2" Nosepiece Adaptor A T-thread (Male, M42 x 0.75) to 2" push-fit nosepiece. Threaded for filters. Can be used to attach DSLR cameras to the telescope (also requires the appropriate M42 "T-ring" adapter).
DSLR to T-thread(F) Adaptors A T-threaded ring (Female, M42 x 0.75) fits on Canon, Nikon, Sony and other DSLR cameras. Can be used to attach DSLR cameras to the telescope (an additional M42 to 2" Nosepiece may be required).
DSLR to M48(F) Adaptors An adapter rings (Female, M48 x 0.75) that fit on Canon, Nikon and Sony DSLR cameras. Can be used to attach DSLR cameras to the telescope (an additional M48 to 2" Nosepiece may be required).
Opticstar T Type Extension Tubes M42x0.75 Extension Tubes - Threaded on Both Sides. Available in 3mm, 6mm, 10mm, 20mm and 40mm lengths.



Notice
We are constantly checking the accuracy of the technical data. We are prepared to provide more detailed information on request. Technical data is subject to change without notice.

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Promotional Offer
Cash Back on Opticstar
Imaging Products
updated: 16th October 2013
Opticstar cashback offer.

Customers who purchase any Altair optical tubes listed on this page qualify for a 10% cash back on any Opticstar astronomy cameras purchased at the same time or at a later date.

This offer is valid for 1 year commencing on the date that the Altair product is purchased from the Opticstar website or the Opticstar showroom.

Any additional purchases at a later date of Altair products that qualify for this offer will renew the cash back period to 1 full year.

Opticstar astronomy cameras that qualify for this offer include the following: Once an Opticstar CCD or CMOS camera has been purchased within a year of the qualifying Celestron purchase, the cash back can be claimed by contacting Opticstar by email or over the phone quoting the receipt number(s). Please allow up to 14 days to process the payment.

Opticstar News
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posted: 12th February 2014
Opticstar DS-616C XL is Astronomy magazine's product of the year.
DS-616C XL is Star Product

The Opticstar DS-616C XL deep-sky CCD camera has earned the annual star product award from Astronomy, the world's best-selling astronomy magazine. Read about it in the September 2013 issue.

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