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Choosing a Telescope for Astrophotography: My Top 5

My goal is for you to start capturing sharp, colorful pictures of galaxies and nebula in your own backyard.  With that being said, here is my advice.

Telescopes for astrophotography

What is the best telescope for astrophotography?  I am often asked this question, and the answer is, the one that provides results.  If you are in the market for an astrophotography telescope, the following list should help you make your decision.  These are entry-level, high-quality telescopes.

Choosing your first telescope for astrophotography

First things first.  I am not an expert astrophotographer, I am just a guy who’s been able to capture some decent images with modest astrophotography equipment in my backyard.  I have over 5 years worth of deep-sky astrophotography experience, with countless successful imaging sessions under the stars.

astrophotography tutorials

The proof is in the photos, not the specs

I like to see real results using astrophotography equipment, more so than the intricate details of optical performance graphs.  The advanced technical traits of a telescope are only useful if the instrument is a pleasure to operate.  Keeping an expensive telescope polished and in the house is not my style.  This is an overview of the instruments that I consider to be a contender for best beginner astrophotography telescope.

The Andromeda Galaxy using an Explore Scientific ED80

I don’t believe a beginner should jump into this hobby and buy an expensive telescope for astrophotography right away.  Astrophotography requires a great deal of patience.  You need to love the process inside and out to push through the steep learning curve and inevitable frustrations along the way.  There is a large emphasis on affordability and value on my list.

I consider a small apochromatic refractor to be the absolute best choice for beginners, and that’s what I’ll recommend.  In this post, I’ll tell you why.

Proven winners for deep-sky imaging

When I was starting out, I searched reviews, testimonials, and product detail pages for hours before purchasing my first primary imaging instrument.  Now, there are more astrophotography telescopes available than ever, making the search even more complex.  When you narrow your search down to entry level telescopes with high performance, some clear winners in the category of best beginner astrophotography telescope rise to the surface.

beginner deep-sky astrophotography

The Rosette Nebula using an 80mm refractor telescope

Astrophotography telescopes for those who want results with modest equipment and limited knowledge.

My choices are heavily geared towards the practicality and usability of the telescope in an astrophotography situation.  After all, beginners have enough to learn early on and should have the best telescope possible to create avoid an agonizing experience in the dark.  These telescopes will grow your interest in the hobby, not ruin it!

I get several e-mails each day asking which telescope I recommend for beginner astrophotography setups.  This section of the website is long overdue, as it will be nice to have somewhere to direct beginners looking for more information about the telescopes I recommend in my e-mails and messages.

AstroBackyard

What you need to start imaging

Different vendors will offer various packages for the astrophotography telescopes listed below.  The inclusion of the accessories you need to get started may very well be the deciding factor of which telescope you choose.

There are certain accessories that may not come with the telescope you are looking to purchase.  Often, this is the reason for fluctuations in price between models with similar specifications.  As a rule of thumb, you will need:

  1. A diagonal for visual observation and mount alignment
  2. A finder scope with brackets for visual observation and autoguiding implementation
  3. Tube rings and a dovetail bar, or an integrated dovetail for mounting
  4. A carrying case to protect the telescope during travel and storage
  5. A field flattener/reducer to create a flat field for imaging

Make sure you add these additional items (if necessary) to your overall budget before deciding on a particular scope.

The power of an APO

a beginner telescope for astrophotography

The 5 telescopes on this list are all small Apochromatic Refractors.  The main reason I am such a huge fan of APO refractors is their ability to consistently capture high-quality images.  With that being said, let’s take a look at the other benefits a small apochromatic telescope has:

    • Compact
    • Lightweight
    • Portable
    • Good color correction
    • Does not require regular collimation
    • Adjusts to temperature fast
    • Wide Field of View
    • Easy to focus
    • Less condensation/dew

 

The Benefits of Wide Field

A wider field of view is more forgiving when it comes to deep-sky astrophotography.  This means that small errors in autoguiding are less noticeable than they would be through an SCT with a long focal length.  The tighter your field of view is, the more precise your focus and autoguiding must be.  As an example, the Explore Scientific ED80 has a focal length of 480mm.




Many beginners are using crop-sensor DSLR cameras through the telescope.  With an APS-C sized crop sensor like you find in the Canon T5i, this brings the focal length up to 768mm. (480mm x 1.6 Crop factor).  This is a forgiving and convenient field of view for capture many large nebulae such as the Lagoon nebula in Sagittarius.

If you are using a 0.8X field flattener/reducer (Recommended), this brings your field of view to 614mm.  (768mm X 0.8) This covers an area of sky wide enough to fit the entire Andromeda Galaxy, with a little room to spare.

The Apochromatic Advantage

Apochromatic refractors use ED extra-low-dispersion glass to enhance resolution and reduce chromatic aberration.  All of the telescopes on this list are air-spaced doublets or triplets.  The manufacturers of these refractors refer to APO’s as ultra-high contrast.  They all include light baffles inside of the lens cell to reject stray light.

buying your first telescope

My Explore Scientific ED80 at dawn

A field-flattener and/or reducer may be required for a completely flat field of view to the edge of the frame.  For each of the astrophotography telescopes below, I will list the recommended field flattener/reducer to go along with it.

A telescope for astrophotography: My Top 5

Let’s get right to it.  The compact and reliable refractors below have all proven themselves worthy of a night under the stars.  The first telescope on the list is responsible for my than half of the images in my photo gallery.

Explore Scientific ED80

Diameter: 80mm
Focal Length: 480mm
Focal Ratio: f/6
Weight: 5.95 lbs
Glass: FDC1 (Hoya)
Recommended Field Flattener/Reducer: Lightwave 0.8X

The Explore Scientific ED80 is a superb telescope for astrophotography.  This was the telescope that allowed me to capture my first long-exposure deep-sky images including the Orion Nebula, North America Nebula, and the great Andromeda Galaxy.  If you would like to read my Explore Scientific ED80 review, please visit that section of my website for a complete analysis of this telescope’s astrophotography performance.

Explore Scientific ED80

This telescope is available at Ontario Telescope & Accessories

The ES ED80 is an affordable option for beginners, with a high-value return.  The package I purchased back in 2011 included a hard shell carry case, diagonal and an illuminated finder scope.  This scopes small size and weight means that it will get plenty of use both visually and photographically.  Entry-level mounts such as the Celestron AVX or the Sky-Watcher HEQ5 have no problem carrying this telescope and all necessary astrophotography gear.

Here is video featuring the Explore Scientific ED80 and other astrophotography equipment needed for Deep-Sky Imaging:

 

“The astrophotos I have been able to capture with this telescope have opened my eyes to a higher level of image quality. I have not been able to achieve images of this quality using a Newtonian telescope.” – AstroBackyard

Explore Scientific also offers a carbon fiber version of the ED80.  The CF version has identical specs other than the fact that it is lighter and better at adapting to temperature.

Orion ED80T CF

Diameter: 80mm
Focal Length: 480mm
Focal Ratio: f/6
Weight: 5.5 lbs
Glass: FPL-53
Recommended Field Flattener/Reducer: Orion FF for short refractors

The Orion ED80T CF is very similar to the Explore Scientific 80mm Apo.  They share the same focal length, size, and weight, yet use different ED glass.  The Orion ED80 is an extremely popular choice for beginner astrophotographers as it offers high-quality imaging performance at a reasonable price.

Orion ED80T CF

The Orion 80EDT is available from Orion Telescopes and Binoculars

Both the Orion and Explore Scientific 80mm models included a built-in dew shield and 2″ dual-speed Crayford style focusers.  The biggest deciding factor between the Explore Scientific ED80 and the Orion 80EDT will likely come down to the accessories included, and customer service from each company.  I have had great experiences with both Orion Telescopes and Binoculars and Explore Scientific.

“Fell in love with the feel and looks of this incredible little scope.. First light was just days ago…my target was the lunar surface…the image was razor sharp..the contrast of craters, rills. scarpes, mountains, were breathtaking…” – Orion ED80T CF Review on OPT

Sky-Watcher Black Diamond 80ED

Diameter: 80mm
Focal Length: 600mm
Focal Ratio: f/7.5
Weight: 5.5 lbs
Glass: FPL-53
Recommended Field Flattener/Reducer: Sky-Watcher FF for 80ED

Like the previous 2 APO’s mentioned, this model from Sky-Watcher includes a 2″, precision dual-speed Crayford style focuser.  This feature is a must have when tackling deep-sky astrophotography with a camera and telescope.  Astrophotographers go great lengths to ensure that their focus is sharp as possible.  The Sky-Watcher 80ED has the longest focal length in the bunch, coming in at 600mm.

This model boasts Metallic High-Transmission coatings (MHC) that are the “finest photon anti-rejection coatings in its class”.  Whether the coatings on the Sky-Watcher 80ED outperform the ones on the Orion or Explore Scientific models, I can not verify.  It is worth noting that this refractor is a doublet design, and uses the same FPL-53 glass as the other telescopes on this list. (Except for the ES ED80)

Sky-Watcher Black Diamond 80ED

The Sky-Watcher Black Diamond 80ED is available on Amazon

If you want a closer view, the added focal length of the scope is a nice incentive to choose this model over the others.  The tighter field comes at a trade off of a slower focal ratio (f/7.5), meaning it collects less light in the same amount of exposure time.  Another notable difference in the BK 80ED is the longer overall length of about 24″, with the dew shield retracted.

“Deep-sky performance was also impressive, with the 600mm focal length, f/7.5 objective lens delivering some excellent images. Our comparative test shot of Orion’s Sword showed lots of great detail in the Orion Nebula” – Sky-Watcher 80ED review on Sky at Night Magazine

Altair Starwave 80ED-R

Diameter: 80mm
Focal Length: 555mm
Focal Ratio: f/7
Weight: 5.73 lbs
Glass: Ohara S-FPL53
Recommended Field Flattener/Reducer: Altair Planostar 0.8x Flattener/Reducer

The Starwave 80ED-R is the second edition of this model produced by Altair Astro in UK.  ED-R version is more compact than the original 80ED, with improved optics.  Astrophotographers that appreciate good glass will notice that Ohara S-FL53 is used in this Starwave telescope.

The beefy 2.5″ Rack ‘n Pinion focuser built into the 80ED-R is designed to handle heavy loads such as your modern DLSR and large eyepieces.  The telescope has a doublet objective lens for accurate color correction and high imaging performance.  See some example astrophotography images on their website.

Altair Starwave 80ED-R

The Altair Starwave 80ED-R is Available at Altair Astro

Altair Astro is known for their incredible customer support and dedication to astrophotographers.  Based on my own personal experiences with the team at Altair – I highly recommended looking into their line-up of telescopes while doing your research.

Here’s what others have to say about the Starwave 80ED-R:

“Very good build quality – built like a tank compared to other 80mm scopes I’ve owned with a much better focuser. Got this for visual and astrophotographic use with my Canon 450D and it performs very well. Very good for solar observing with a very sharp image. (SW80 V1)” – Mark Fuller





Stellarvue SV70ST

Diameter: 70mm
Focal Length: 420mm
Focal Ratio: f/6
Weight: 5.6 lbs
Glass: Ohara FPL-53
Recommended Flattener/Reducer: SFFR-70APO focal reducer/field flattener

Known for their incredible eyepieces, you could say that Stellarvue knows a thing or two about optics.  This apo triplet includes an impressive 2.5″ dual speed rack and pinion focuser.  Rather than rotating the entire focuser, the Stellarvue SV70ST includes an ingenious independently rotating collar where you attach your camera.  Another great bonus included with this astrophotographer-friendly APO is the included reducer/flattener.

Stellarvue SV80ST aporchromatic refractor telescope

The Stellarvue SV70ST is available on the Stellarvue website

Stellarvue goes to great lengths to ensure that their telescopes deliver top quality optical performance.  This means that each Stellarvue SV70ST undergoes a Strehl test and interferometric test reports are provided with each unit.  Clearly, Stellarvue values the attention to detail needed to produce top quality telescopes.  All of this comes at a price, however.  The Stellarvue SV70ST is the most expensive astrophotography telescope on my list.

Have a look at the Stellarvue SV70ST at NEAF

The best telescope for astrophotography is the one you use the most.

Without being able to use each and every telescope on this list firs hand, it is impossible for me to provide a complete review of each model.  However, I have plenty of experience using wide-field apochromatic refractors like the ones on this list.

One of the best ways to gauge the astrophotography capabilities of a particular telescope is to search through the images on Astrobin or Reddit.  Most amateur astrophotographers are good at posting their equipment details along with each photo.

Basic Astrophotography Setup

My current setup for DSLR deep-sky astrophotography

I hope that this overview of beginner astrophotography telescopes has helped you on your journey.  To learn about the current equipment I use for deep-sky astrophotography, please visit the equipment page.