suitable for temperatures from -50°C up to +60°Cwide stretched synthetic grease with constant viscosity across an extremely large temperature-rangeEspecially suitable for use in the mirror sliding fittings of SC-telescopes (i.e. Celestron), as the grease

Collimation Tools, Cleaning and Maintenance Products - Optical

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Kluber Lubrication Kluberlub BE 41-1501 Heavy-Duty Grease for

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Problem with halos? Not anymore. - ZWO User Forum

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Baader Machine-Grease #1 Teflon-Brown (-15°C–+55°C)

Suitable for temperatures from -50°C up to +60°C

Baader Planetarium Baader Machine-Grease #4 Ultra-Range (-50°C–+60°C)

Laser Colli - Mark III — Alpine Astronomical LLC

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