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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
iOptron iEFW-18, 8-Filter Electronic Filter Wheel for 1.25'' or 31mm Filters

iOptron iEFW-18, 8-Filter Electronic Filter Wheel for 1.25'' or 31mm Filters

par iOptron
UGC IOP-3382
$289.00 - $289.00
$289.00
$289.00 - $289.00
$289.00
Égalisation de prix!
  • Holds up to 8 filters
  • Compatible with 1.25" mounted filters
  • Compatible with 31mm unmounted filters
  • Electronic control for automated imaging
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Alerte de retour en stock
Info disponibilité
Admissible à la livraison GRATUITE aux USA pour les commandes de plus de 350$.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • iEFW-18, 8-Filter Electronic Filter Wheel for 1.25'' or 31mm Filters

    The iOptron iEFW-18 electronic filter wheel integrates into your imaging train to provide automated selection between 8 different 1.25-inch mounted or 31mm unmounted filters. This core capability enables multi-channel LRGB and narrowband imaging sequences without manual intervention during a session.

    8-Position Carousel for 1.25" or 31mm Filters

    The internal carousel is designed with 8 positions to accommodate a complete LRGB and narrowband filter set in a single device. It accepts both standard 1.25" mounted filters and 31mm unmounted filters, giving you flexibility in choosing your optical components and minimizing potential vignetting with faster optical systems.

    Automated Filter Selection for Remote Imaging

    As an electronic filter wheel, the iEFW-18 is built for software control, allowing your imaging application to automatically switch filters as part of a pre-planned sequence. This is essential for robotic or remote observatories and maximizes efficiency for any backyard setup by eliminating the need to physically touch the telescope to change from a Luminance to a Hydrogen-alpha filter.

  • What types of filters can I install in the iEFW-18 filter wheel?

    The iOptron iEFW-18 is designed to hold up to 8 filters in two common formats. You can use standard 1.25" mounted filters (with M28.5 threads) or 31mm unmounted filters, making it compatible with a wide range of products for LRGB, narrowband, and photometric imaging.

    How does the iEFW-18 improve astrophotography with a monochrome camera?

    The iEFW-18 automates one of the most repetitive tasks in monochrome astrophotography: changing filters. By allowing software to control filter changes, you can program an entire night's imaging plan to capture Luminance, Red, Green, Blue, and even narrowband data sequentially without any manual intervention, ensuring consistent focus and framing between channels.

    Can I use the iEFW-18 for LRGB imaging of the Andromeda Galaxy (M31)?

    Yes, the iEFW-18 is ideal for this purpose. You can load it with Luminance, Red, Green, and Blue filters and program your capture software to automatically cycle through them. This allows you to gather all the data needed for a full-color image of M31 in a single, automated session.

    Is the iEFW-18 a good choice for narrowband imaging of the Orion Nebula (M42) from the city?

    Absolutely. The iEFW-18 allows you to load H-alpha, OIII, and SII narrowband filters to isolate specific wavelengths of light from emission nebulae like M42. This technique is highly effective at cutting through light pollution, and the automated nature of the wheel means you can capture long, uninterrupted sequences on each filter to maximize signal.

    What is the advantage of using 31mm unmounted filters over 1.25" filters in the iEFW-18?

    Using 31mm unmounted filters can provide a larger clear aperture compared to the housing of a 1.25" filter. This can help reduce vignetting (darkening of the corners of the image), especially when used with telescopes that have a fast focal ratio or cameras with larger sensors.

    How is the iEFW-18 filter wheel controlled by a computer?

    The iEFW-18 connects to your computer, typically via USB, and is controlled through standard astronomy drivers like ASCOM or INDI. This allows it to integrate seamlessly with most popular astrophotography software such as N.I.N.A., Sequence Generator Pro, or TheSkyX, which can then command filter changes as part of an imaging plan.

  • Price $289.00
    Availability Backorder in N. Amer.
    Product Code 3382

  • Box contents are not available for this product.

  • iOptron Warranty Policy