Gear Database

iOptron HEM15 Strain Wave Mount Head with iPolar

iOptron

iOptron HEM15 Strain Wave Mount Head with iPolar is a strain-wave GoTo mount for guided astrophotography rigs.

mount midrange
iOptron HEM15 Strain Wave Mount Head with iPolar

Best Current Offer

Astronomics logo
Astronomics
In stock
$1,498.00

Other retailers

Specifications

Mount

Mount type
Hybrid strain-wave equatorial GoTo mount
Drive system
Strain-wave RA drive with belt-driven DEC
Payload capacity
15 lb (6.8 kg) without counterweight; 21 lb (9.5 kg) with counterweight
Mount weight
5.5 lb (2.5 kg)
Latitude range
15º ~ 65º

Capacity

Payload-to-weight ratio
3.8:1

Motion

Slew rate
6º/sec

Electronics

Controller
Go2Nova® 8409 with ~212,000 objects database
Power
DC12V-5A (5.5/2.5 mm DC plug)

Mechanical

Tripod / pier
Optional

Astrophotography Fit

A portable strain-wave mount that should be chosen by realistic imaging payload, not headline capacity alone.

iOptron HEM15 Strain Wave Mount Head with iPolar is a midrange strain-wave GoTo mount for computerized tracking and guiding.

For long-exposure astrophotography, use a conservative imaging payload. The telescope, camera, guide hardware, dew heaters, dovetails, and cables all count, and guiding performance matters more than the catalog payload number.

Strain-wave mounts are wonderfully compact, but they still need stiffness, cable discipline, and sometimes counterweighting to keep long tubes calm.

Best paired with

  • Compact refractors, cooled cameras, and tidy cable-managed power
  • Guiding from a guide scope or OAG for long exposures
  • Tripod or pier with enough stiffness for the full imaging load

Not recommended for

  • Ignoring counterweights on long or heavy optical tubes
  • Tall, flexible tripods with high wind exposure
  • Payloads near the marketing limit for long-exposure imaging

Where To Buy

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer Price Availability View Offer
Astronomics logo
Astronomics
Astronomics
$1,498.00
In stock
Updated 8/5/2026
View Offer - $1,498.00
High Point Scientific logo
High Point Scientific
High Point Scientific
$1,649.00
In stock
Updated 8/5/2026
View Offer - $1,649.00
Telescopes.net logo
Telescopes.net
Telescopes.net
$1,649.00
In stock
Updated 8/4/2026
View Offer - $1,649.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Astronomics High Point Scientific
$1,667.12 $1,604.71 $1,542.29 $1,479.88 May 10, 2026 Jun 22, 2026 Aug 5, 2026 Astronomics - $1,498.00 - May 11, 2026 - In stock Astronomics - $1,498.00 - May 16, 2026 - In stock Astronomics - $1,498.00 - May 20, 2026 - In stock Astronomics - $1,498.00 - May 25, 2026 - In stock Astronomics - $1,498.00 - May 29, 2026 - In stock Astronomics - $1,498.00 - Jun 2, 2026 - In stock Astronomics - $1,498.00 - Jun 7, 2026 - In stock Astronomics - $1,498.00 - Jun 11, 2026 - In stock Astronomics - $1,498.00 - Jun 15, 2026 - In stock Astronomics - $1,498.00 - Jun 20, 2026 - In stock Astronomics - $1,498.00 - Jun 24, 2026 - In stock Astronomics - $1,498.00 - Jun 29, 2026 - In stock Astronomics - $1,498.00 - Jul 3, 2026 - In stock Astronomics - $1,498.00 - Jul 7, 2026 - In stock Astronomics - $1,498.00 - Jul 12, 2026 - In stock Astronomics - $1,498.00 - Jul 19, 2026 - In stock Astronomics - $1,498.00 - Jul 23, 2026 - In stock Astronomics - $1,498.00 - Jul 24, 2026 - In stock Astronomics - $1,498.00 - Jul 25, 2026 - In stock Astronomics - $1,498.00 - Jul 26, 2026 - In stock Astronomics - $1,498.00 - Jul 27, 2026 - In stock Astronomics - $1,498.00 - Jul 28, 2026 - In stock Astronomics - $1,498.00 - Jul 30, 2026 - In stock Astronomics - $1,498.00 - Jul 31, 2026 - In stock Astronomics - $1,498.00 - Aug 1, 2026 - In stock Astronomics - $1,498.00 - Aug 2, 2026 - In stock Astronomics - $1,498.00 - Aug 3, 2026 - In stock Astronomics - $1,498.00 - Aug 4, 2026 - In stock Astronomics - $1,498.00 - Aug 5, 2026 - In stock High Point Scientific - $1,649.00 - May 10, 2026 - In stock High Point Scientific - $1,649.00 - May 13, 2026 - In stock High Point Scientific - $1,649.00 - May 17, 2026 - In stock High Point Scientific - $1,649.00 - May 22, 2026 - In stock High Point Scientific - $1,649.00 - May 26, 2026 - In stock High Point Scientific - $1,649.00 - May 30, 2026 - In stock High Point Scientific - $1,649.00 - Jun 3, 2026 - In stock High Point Scientific - $1,649.00 - Jun 8, 2026 - In stock High Point Scientific - $1,649.00 - Jun 12, 2026 - In stock High Point Scientific - $1,649.00 - Jun 16, 2026 - In stock High Point Scientific - $1,649.00 - Jun 20, 2026 - In stock High Point Scientific - $1,649.00 - Jun 25, 2026 - In stock High Point Scientific - $1,649.00 - Jun 29, 2026 - In stock High Point Scientific - $1,649.00 - Jul 3, 2026 - In stock High Point Scientific - $1,649.00 - Jul 7, 2026 - In stock High Point Scientific - $1,649.00 - Jul 12, 2026 - In stock High Point Scientific - $1,649.00 - Jul 16, 2026 - In stock High Point Scientific - $1,649.00 - Jul 21, 2026 - In stock High Point Scientific - $1,649.00 - Jul 24, 2026 - In stock High Point Scientific - $1,649.00 - Jul 25, 2026 - In stock High Point Scientific - $1,649.00 - Jul 26, 2026 - In stock High Point Scientific - $1,649.00 - Jul 27, 2026 - In stock High Point Scientific - $1,649.00 - Jul 28, 2026 - In stock High Point Scientific - $1,649.00 - Jul 29, 2026 - In stock High Point Scientific - $1,649.00 - Jul 30, 2026 - In stock High Point Scientific - $1,649.00 - Jul 31, 2026 - In stock High Point Scientific - $1,649.00 - Aug 1, 2026 - In stock High Point Scientific - $1,649.00 - Aug 2, 2026 - In stock High Point Scientific - $1,649.00 - Aug 3, 2026 - In stock High Point Scientific - $1,649.00 - Aug 4, 2026 - In stock High Point Scientific - $1,649.00 - Aug 5, 2026 - In stock