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Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter

£129.00
(Inc. 20% VAT)
Loyalty Points: 129
(1 Review)
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Product Code
OPT-L-eNh-1.25
Brand
Email us a question about this ProductOptolong
Description

Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter

The Optolong L-eNhance 2" filter is a triple-bandpass narrowband filter designed for light polluted skies to maximise the output from your imaging time.

Please note, we originally called it a Dual-bandpass filter as it lets through the light in two sections (bands), however, to distinguish between the L-eNhance and the latest L-eXtreme filters, we had to rename this filter. Both filters have two bands, but the L-eNhance lets through light of three important emission light sources, whilst the L-eXtreme focuses on two important emission light sources only, hence the change of title for the L-eNhance filter.

The relentless spread of urbanization and its associated light pollution have become a growing problem for all amateurs and astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel.

L-eNhance provides an economical and practical solution for amateurs. It is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and CCD cameras. The convenience and cost effectiveness of this filter allows amateurs to image a rich selection of astronomical images, even in bright, heavily light-polluted areas.

Optolong believes the design of our L-eNhance filter is a technical innovation among filters. It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies.

L-eNhance Filter Spectrum Curve

According to the characteristics of celestial body emission lines and feature of light pollution span of spectrum, Optolong specially designed and optimized dual-band L-eNhance filter in order to retain the prominent color of nebula RGB while blocking out most of light pollution. Spectrum as shown below:

Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter Wavelength

Specifications:

  • Substrate: B270
  • Thickness: 1.85mm
  • Tpeak: T>90%
  • Blocking range: 300-1000nm
  • Blocking depth: light pollution line blocking >99%
  • Surface quality: 60/40
  • Transmitted Wavefront RMS: λ/4
  • Parallelism (arcsec):

Available Sizes:

1.25” mounted and 2” mounted are available now.
Other sizes will be listed when become available.

 

Specifications

Specifications: Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter

What's in the Box

What's in the Box: Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter

  • Optolong L-eNhance Light Pollution Triple-Bandpass Narrowband Imaging Filter
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Reviews (1)
Write a Review and share your opinions!
1 Review:

Optolong L enhance filter
Rating:
22 July 2021  | 

Certainly makes a difference in bringing out the fainter details in DSO's compared to no filter or my UHC filter. Have to say Elena answered my stock query at lightening speed and it was marked as dispatched within minutes of ordering. Top quality service.

 
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Delivery

At The Widescreen Centre, we prioritize prompt order processing and dispatch. We strive to dispatch all orders on the same day or the next working day, depending on the time of your order. We hold extensive stocks to ensure that your items are ready for immediate despatch. Please note that the cut-off time for same-day dispatch is usually 1:30 p.m.

For delivery within Mainland UK, we use reputable couriers to provide efficient service. You can expect your package to arrive in 1-2 working days. Please note that a signature may be required upon delivery to ensure a secure receipt.

In the case of special order items, the delivery time may be longer. If you have any concerns or questions about the delivery of your item, please don't hesitate to Contact Us. We are here to assist you.

Should there be any delay in dispatching your order, we will notify you to keep you informed.

Please be aware that The Widescreen Centre cannot be held responsible for any postal or third-party delays that may occur. We are committed to providing a reliable and efficient delivery service for our valued customers.

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