OPTOLONG L-extreme 2-inch Ha+OII 7nm Dual Band Pass Filter Compatible with DSLR Cameras/CCD Cameras
Не удалось загрузить сведения о доступности самовывоза
OPTOLONG L-extreme 2-inch Ha+OII 7nm Dual Band Pass Filter Compatible with DSLR Cameras/CCD Cameras
Description:
- L-extreme is a dual 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also more suited for fast systems. The convenience and cost effectiveness of this filter allows amateurs to image a rich emission nebulas, even in bright, light pollution skies. It isolates the H-Alpha, and Oxygen III nebula emission lines so that the contrast and signal-to-noise ratio between nebulae were maximized. For people who are living in very light polluted areas, or when the moon is out, the L-extreme will be a good filter.
Specification:
- Sbustrate: B270
- Thickness: 1.85mm
- FWHM: OIII 7nm + Hα 7nm
- Blocking range: 300-1000nm
- Blocking depth: light pollution lines blocked > 99.9%
- Surface quality: 60/40
- Wavefront RMS: λ/4
- Parallelism: 30''
- Size: 2-inch
Package Included:
- 1 x L-extreme Filter
- Businesses may need to employ various types of legal pages on their websites or mobile apps. Some, like Privacy Policies, are required by law, while others, such as a Terms and Conditions agreement (T&C), are not. Regardless of legal demands, you may find that your company needs one or more legal pages for compliance and optimal operation.
- In this article, we will go over the most common legal pages, walk you through a summary of what each requires, and explain why you may need it. In addition, you'll find a sample template for each type of legal page so you can quickly get started writing your own.
If you have any questions about this product, please let us know by filling out the form below, and we will contact you as soon as possible.