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Navigating Tariffs: Due to the current volatile tariff environment and associated logistics challenges, O'Telescope is unable to fulfill shipments to the United States. Orders submitted with a U.S. shipping address will be refunded, with the payment gateway transaction fee deducted. This restriction does not affect BackyardEOS or BackyardNIKON, which remain available as digital downloads.
Inventory closeout sale, everything must go. Up to 35% off. Some conditions apply.
We are closing our inventory side of the business and focusing solely on software - going back to our roots so to speak. No store coupons required, all prices have been marked down. First come, first served, until quantities last. We are no longer placing orders with manufacturers. Absolutely no rain checks. We reserve the right to cancel and refund orders at our sole discretion. We do our best to maintain our inventory accurate, but mistakes do happen, if you purchase an item that is no longer in stock, you will be refunded. The sale does not apply to some higher-end items such as 10Micron. Prices subject to change without notice. ALL SALES ARE FINAL.
Occasionally, we find a box under a box under a box in the back of the warehouse with hidden treasures, and when we do, we add these items on the site, so even though you may not find what you're looking for today, it could automagically appear next week.
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Astro Hutech - ALMOST SOLD OUT
4 products
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![IDAS Light Pollution Suppression Filters - D1. 28.6mm LPS D1 filter [HU-LPS-D1-286-CLEARANCE]](https://www.otelescope.com/uploads/store-HU-LPS-D1-286.jpg)
IDAS Light Pollution Suppression Filters - D1. 28.6mm LPS D1 filter [HU-LPS-D1-286-CLEARANCE]
$150.20 CAD$231.08 CAD1 in stock On saleAvailability: usually ships within 10-14 daysAstro Hutech: Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.
Unlike other light pollution suppression filters, IDAS filters are specifically designed for balanced color transmission using the IDAS unique Multi-Bandpass Technology (MBT) process. The balanced transmission allows color photographs to be taken with minimal color cast to broadband emission objects such as stars, galaxies and globular clusters. The comparison photos at right demonstrate (qualitatively) that the IDAS filter maintains better color balance than other filters which have been designed for visual use.
LPS filters utilize the unique IDAS Ion Gun Assisted Deposition (IGAD*) coating technology for superior coating durability (quartz hardness) and safer cleaning. IGAD coatings also improve temperature and humidity stability of the filter performance, reducing spectrum shifts down to +/-1nm from the +/-3 or 4nm shift of standard coatings.
CCD imaging can also benefit, because although CCD imagers can already shoot through light pollution to some extent, including an LPS filter to the setup gives an added (signal-to-noise) edge
Note, however, that light pollution suppression filters are not a perfect substitute for dark skies.
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![IDAS Light Pollution Suppression Filters - P2Filter. 28.6mm LPS V4 filter [HU-LPS-P2-286-CLEARANCE]](https://www.otelescope.com/uploads/monthly_2017_04/HU-LPS-V4-286.jpg.02d523f1d422e87664fdc4dcf8b709d4.jpg)
IDAS Light Pollution Suppression Filters - P2Filter. 28.6mm LPS V4 filter [HU-LPS-P2-286-CLEARANCE]
$150.20 CAD$231.08 CAD1 in stock On saleAvailability: usually ships within 10-14 daysAstro Hutech: The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.
Features include:
Near IR is blocked completely, eliminating the need for an additional filter to block IR.
Narrower H-alpha bandpass. In combination with a Kenko R1 filter, this can be used as a 19nm bandpass H-alpha filter.
Retains the excellent color balance of the LPS-V3 filter when one-shot color cameras are used.
Easy creation of H-alpha enhanced color images
LPS-V4 filters are available as camera-body-mounted filters (LPS-V4-37) for Canon digital cameras or as screw-in filters for telescopes or telephoto lenses in the following sizes:28.6 mm
48 mm
52 mm -
![IDAS Light Pollution Suppression Filters - V4 Nebular Filter. 28.6mm LPS V4 filter [HU-LPS-V4-286-CLEARANCE]](https://www.otelescope.com/uploads/monthly_2017_04/HU-LPS-V4-286.jpg.8235beb6d5936d14dcdae8216f03a498.jpg)
IDAS Light Pollution Suppression Filters - V4 Nebular Filter. 28.6mm LPS V4 filter [HU-LPS-V4-286-CLEARANCE]
$150.20 CAD$231.08 CAD2 in stock On saleAvailability: usually ships within 10-14 daysAstro Hutech: The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.
Features include:
Near IR is blocked completely, eliminating the need for an additional filter to block IR.
Narrower H-alpha bandpass. In combination with a Kenko R1 filter, this can be used as a 19nm bandpass H-alpha filter.
Retains the excellent color balance of the LPS-V3 filter when one-shot color cameras are used.
Easy creation of H-alpha enhanced color images
LPS-V4 filters are available as camera-body-mounted filters (LPS-V4-37) for Canon digital cameras or as screw-in filters for telescopes or telephoto lenses in the following sizes:28.6 mm
48 mm
52 mm -
![IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS-CLEARANCE]](https://www.otelescope.com/uploads/store-HU-LPS-V4-EOS.jpg)
IDAS Light Pollution Suppression Filters - V4 Nebular Filter. LPS-V4 filter for Canon APS-C frame camera [HU-LPS-V4-EOS-CLEARANCE]
$187.99 CAD$289.22 CAD1 in stock On saleAvailability: usually ships within 10-14 daysAstro Hutech: The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.
Features include:
Near IR is blocked completely, eliminating the need for an additional filter to block IR.
Narrower H-alpha bandpass. In combination with a Kenko R1 filter, this can be used as a 19nm bandpass H-alpha filter.
Retains the excellent color balance of the LPS-V3 filter when one-shot color cameras are used.
Easy creation of H-alpha enhanced color images
LPS-V4 filters are available as camera-body-mounted filters (LPS-V4-37) for Canon digital cameras or as screw-in filters for telescopes or telephoto lenses in the following sizes:28.6 mm
48 mm
52 mm
