Orion Variable Polarizing Filter, 1.25"
by Orion
Our Price: $37.95
Availability: Usually ships in 1-2 business days
Category: Digital Camera
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Customers in the UK,
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for British Pounds
Digital Photo Product Details
Manufacturer: OrionModel: OR-5560
Product features:
- Variable polarizing filter acts like a dimmer switch for your telescope, to tone down brightness
- Reduced brightness and glare unmasks detail in your viewing subject and greatly improves contrast
- Adjust the amount of light transmission from 1% to 40%
- The filter has an anodized aluminum cell, which threads into the barrel of any standard eyepiece
- Storage case included. 1.25"
- Orion Deluxe 6-Piece Optics Cleaning Kit
- Orion 7.5mm HighLight Plossl 1.25" Eyepiece
- Orion Shorty 2x Barlow Lens, 1.25"
- Orion 12.5mm Sirius Plossl 1.25" Eyepiece
Digital Cameras Photo Reviews of Orion Variable Polarizing Filter, 1.25"
Customer Review: Good and bad
Summary: 4 Stars
First, the good. If you think you want a moon filter and you're trying to decide between this and a neutral density filter, stop wondering and get this one. The adjustability is well worth the extra bucks. It really does work as advertized. At max transmission (40%) it is like you suddenly chopped your aperture by a third. At minimum transmission (1%), have fun trying to find anything other than the full moon. The biggest downside I can see here is that some moron will probably try to use it as a solar filter and burn an eye out.
Now, the bad. I was sure as I could be, ahead of time, that I wanted one of these things. In terms of time spent, the moon is my favorite observing target and I do a fair amount of digiscoping (or afocal projection photography, if you prefer) of the moon. Between first quarter and last quarter it is a punishing sight even in my modest six inch telescope. Near full, it's just flat painful. So obviously I need a moon filter, right?
I'm not so sure anymore. The filter does knock the light down to acceptable levels, that's true. But in doing so it knocks down the contrast, too, to levels that I find aesthetically yucky by eye or CCD. After a few weeks this thing landed in an out-of-the-way pocket of my eyepiece case and hasn't been heard from since. Turns out I prefer a brilliant, if painfully bright, moon, to one that is acceptably dim but unacceptably dull. Your mileage may vary.
Description of Orion Variable Polarizing Filter, 1.25"
This versatile filter acts like a dimmer switch for your telescope, toning down the brightness of the Moon or planets to a level that is comfortable. The reduction in brightness and glare unmasks detail in your viewing subject and greatly improves contrast. The filter consists of two high-grade glass polarizing filters in a rotating cell that allows you to adjust the amount of light transmission from 1% to 40%. Such control is highly desirable for lunar observing because the Moon's brightness varies with its phase. The filter is great for terrestrial observing too, especially on sunny days. The filter has an anodized aluminum cell, which threads into the barrel of any standard eyepiece. Now available in 1.25" and 2" sizes. Storage case included.Filters
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