IDAS SHO Filter Sets

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About this product

IDAS SHO (Sii/Ha/Oiii) Filter set available in standard or UHS (Ultra High Speed) versions.

The IDAS H-alpha 6.8nm. OIII 6.0nm and SII 6.3nm Sets are available in various sizes and classifications – STD or UHS.

The following sizes are available

• SHO30STD-50.8 (Class STD + 3mm thick + 50.8 shown above)
• SHO25UHS-52 (Class UHS* + 2.5mm thick + 52mm mounted)
• SHO30STD-36 (Class STD + 3mm thick + 36mm unmounted)
• SHO25STD-48 (Class STD + 2.5mm thick + 48mm=2″ mounted)
• SHO30UHS-48 (Class UHS* + 3mm thick + 48mm=2″ mounted)
• SHO25UHS-48 (Class UHS* + 2.5mm thick + 48mm=2″ mounted)

The UHS set includes the UHS Ha and Sii Filters and Standard OIII Filter.

The 2.5mm thickness filter is compatible with other IDAS filters for example the LPS series while the 3mm is par-focal with other premium brands.

Standard Filters are designed for F3.5 and slower optical systems
Ultra High Speed Filters are designed for F1.6 to F2.2 optical systems.

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