Gear Database

PrimaLuceLab ESATTO 2

PrimaLuceLab

PrimaLuceLab ESATTO 2 is a motorized focusing accessory for repeatable autofocus during long imaging sessions.

focuser midrange
PrimaLuceLab ESATTO 2

Best Current Offer

High Point Scientific logo
High Point Scientific
In stock
$756.00

Other retailers

Specifications

Mechanical

Focuser type
Electronic focuser

Capacity

Load capacity
5 kg

Electronics

Controller
Electronic motor control

Use

Primary use
Repeatable electronic focus for imaging automation

Specifications

Weight
835g (1.8 lb)

Astrophotography Fit

Best for imaging rigs where focus changes with temperature, filters, or long unattended sequences.

PrimaLuceLab ESATTO 2 controls focus, which is one of the highest-leverage parts of an imaging rig. Electronic focus makes autofocus after temperature shifts, filter changes, and meridian flips practical.

Check mechanical compatibility, drawtube travel, load capacity, backlash, software support, and available adapters before buying. A focuser that fits poorly can add tilt or slip under camera weight.

Best paired with

  • Refractors, SCTs, CDKs, or astrographs with compatible focus hardware
  • ASIAIR, NINA, Voyager, FocusLynx, ASCOM, or INDI workflows as supported
  • Mono filter-wheel rigs that need filter offsets and repeatable focus

Not recommended for

  • Purely visual grab-and-go observing
  • Focusers with unsupported brackets, backlash, slip, or insufficient payload
  • Users unwilling to calibrate step size, backlash, and temperature behavior

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
High Point Scientific logo
High Point Scientific
High Point Scientific
$756.00
In stock
Updated 5/13/2026
View Offer - $756.00
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$912.00
In stock
Updated 5/12/2026
View Offer - $912.00