Astromania 2" Variable Grey Polarizing Filter - Bundle with - 2" T-2 Focal Camera Adapter Ⅱ
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Product details
| Management number | 208573753 | Release Date | 2026/03/22 | List Price | $16.44 | Model Number | 208573753 | ||
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- Allows you to quickly attach your SLR camera to any telescope with a 2" focuser
- T-2 external thread on the accessory side; safety groove to stop lens falling out
- Black anodized to minimise reflections; filter thread for 2" filters
- It helps you to adjust the brightness effectively; The variable polarizing filter allows for selective adjustment of brightness; which is useful for terrestrial observation and objects of the Solar System
- These filters have a very large range of effectiveness; Light transmission of polarizing filters is between 1% and 40%; Such adjustable control is highly desirable for lunar observing as the Moon's brightness varies with its phase and also with the aperture and magnification of the telescope you are using; It is also a must for viewing the Moon in daylight hours
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