Collection: Solar & Energy Rejection Filters for Safe Observing | Telescope Wolves
Solar and energy rejection filters are essential for safe, high-quality solar observing. Solar filters reduce harmful sunlight, while energy rejection filters (ERFs) manage heat and protect telescope optics during imaging or visual observation. Together, they ensure safe, clear, and sharp views of the Sun in hydrogen-alpha and white-light setups.
At Telescope Wolves, our collection includes precision solar filters and ERFs designed for compatibility with a wide range of telescopes and solar observing systems. Each product is chosen for optical quality, thermal stability, and reliable performance, helping you safely explore solar features with confidence.
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Thousand Oaks SolarLite White Light Solar Filter Film Sheet — DIY Sun Viewing Film for Custom Solar Filters | Telescope Wolves
Regular price From $14.99Regular priceSale price From $14.99 -
DayStar Blocker & Trimmer Restoration Service — Rebuild Your Quantum SE or ATM H-Alpha Solar Filter
Regular price $995.00Regular priceSale price $995.00 -
DayStar 115mm Off-Axis ERF with 410mm Cap — Solar Filter for H-Alpha Observation on Large SCT Telescopes
Regular price $1,195.00Regular priceSale price $1,195.00 -
DayStar 100mm Off-Axis ERF with 356mm Cap — Solar Filter for H-Alpha Observation on SCT Telescopes
Regular price $895.00Regular priceSale price $895.00 -
DayStar 90mm Off-Axis ERF with 311mm Cap — Solar Filter for H-Alpha Observation on Large SCT Telescopes
Regular price $695.00Regular priceSale price $695.00 -
DayStar 80mm Off-Axis ERF with 311mm Cap — Solar Filter for H-Alpha Observation on Extra-Large SCT Telescopes
Regular price $550.00Regular priceSale price $550.00 -
DayStar 80mm Off-Axis ERF with 281mm Cap — Solar Filter for H-Alpha Observation on Large SCT Telescopes
Regular price $550.00Regular priceSale price $550.00 -
DayStar 63mm Off-Axis ERF with 244mm Cap — Solar Filter for H-Alpha Observation on SCT Telescopes
Regular price $550.00Regular priceSale price $550.00 -
DayStar 150mm ERF Energy Rejection Filter with 220mm Cap — Premium Solar Filter for Wide-Tube Refractor H-Alpha Setups
Regular price $1,645.00Regular priceSale price $1,645.00 -
DayStar 150mm ERF Energy Rejection Filter with 210mm Cap — Premium Solar Filter for Large-Format Refractor H-Alpha Setups
Regular price $1,645.00Regular priceSale price $1,645.00 -
DayStar 150mm ERF Energy Rejection Filter with 200mm Cap — Premium Solar Filter for High-Resolution H-Alpha Observation
Regular price $1,645.00Regular priceSale price $1,645.00 -
DayStar 150mm ERF Energy Rejection Filter with 190mm Cap — Premium Solar Filter for High-Resolution H-Alpha Observation
Regular price $1,645.00Regular priceSale price $1,645.00 -
DayStar 130mm ERF Energy Rejection Filter with 190mm Cap — Safe Solar Filter for Large-Aperture H-Alpha Setups
Regular price $995.00Regular priceSale price $995.00 -
DayStar 150mm ERF Energy Rejection Filter with 180mm Cap — Premium Solar Filter for High-Resolution H-Alpha Observation
Regular price $1,645.00Regular priceSale price $1,645.00 -
DayStar 130mm ERF Energy Rejection Filter with 170mm Cap — Safe Solar Filter for Large-Aperture H-Alpha Setups
Regular price $995.00Regular priceSale price $995.00 -
DayStar 130mm ERF Energy Rejection Filter with 150mm Cap — Safe Solar Filter for Large-Aperture H-Alpha Setups
Regular price $995.00Regular priceSale price $995.00 -
DayStar 80mm ERF Energy Rejection Filter with 120mm Cap — Essential Front-End Solar Filter for Quantum H-Alpha Observation
Regular price $550.00Regular priceSale price $550.00 -
DayStar 80mm ERF Energy Rejection Filter with 110mm Cap — Essential Front-End Solar Filter for Quantum H-Alpha Observation
Regular price $550.00Regular priceSale price $550.00


