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Home  Filters  Solar Filters & Glasses  Lunt Herschel Wedge 1.25 Inch

Lunt Herschel Wedge 1.25 Inch


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Lunt Herschel Wedge 1.25 Inch
£189.00
 Inc VAT & Warranty
Availability - In stock

0558211

Buy Now for 7-10 Day Courier Delivery
  • Description
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Product Description

The Lunt 1.25" White Light Solar Herschel-Wedge is designed for use with refracting telescopes up to 150mm aperture, with 1.25" focusers. This provides superior White Light views and images of the Solar surface, granulation and Sunspots. Herschel Wedges provide superior resolution and better contrast than full aperture white light filters. The Lunt LS1.25HW 31.7mm 1.25" Herschel-wedge comes complete system with installed ND3.0 Neutral Density filter.

Delivery time is around 7-10 days direct from our supplier

Further details

Herschel Wedges or as they are sometimes known Solar Wedges are used to observe the sun with refractor telescopes in white light. More than 95% of the Sun's light will be suppressed by the Herschel Wedge and the remaining 5% is further dimmed by a pre-installed Neutral Density 3.0 filter. An additional radial polarizing filter (supplied separately) can be installed in an eyepiece to reduce the light yet further to a desired level. A Herschel Wedge polarises light, so in order to tune the brightness using a polarising filter, you simply twist an eyepiece with a radal polarising filter installed. As the eyepiece twists in the Herschel wedge's eyepiece holder, polarisation either increases or decreases - and you can set this to your own personal needs. We recommend the Bresser Polarising Filter 1.25" for this purpose ref 4946464

The difference between Herschel Wedges and normal front mounted filters is, that the filtering takes place just before the eyepiece or camera. This will provide a better contrast and sharpness of the solar image.

Advantages of the Herschel Wedge:

Especially high-quality optical surfaces for very good contrast

Fully closed body with integrated heat trap

No stray light escaping - so it is very safe

ND3.0 filter comes pre-installed

This Herschel Wedge is only for use with refractor telescopes up to 150mm aperture. Because the full energy and heat of the sun inside the telescope OTA, we advise to only use refractor with a Herschel Wedge. The refractors must also not have corrector lenses at the rear of the OTA. Optical elements like corrector lenses or secondary mirrors of reflector telescopes become very hot by the concentrated solar energy and could be damaged - thus SCTs and Maksutovs are classed as unsuitable.

Delivery charge £3.95

Delivery Information

Our delivery charge is £3.95*. We ship each business day, orders received before 2PM are normally shipped that business day. We also ship direct from our suppliers, this means we have access to thousands of products that can ship fast to our customers.

All goods are shipped fully insured with FEDEX, UPS, DPD, DHL and Royal Mail, we can only ship to UK mainland addresses and are not able to ship to forwarding agents or PO boxes.

Our Order Lookup system (see link at the top and bottom of each page) updates the order status in real time for you - simply by entering your order number and postcode..

*Some exceptions apply including many AB, FK, HS, IV, KA, KW, PA, PH, ZE postcodes. We will quote delivery charges to these areas where applicable prior to shipping (this does not normally affect lower value items shipped by Royal Mail).

Reviews


Customer Reviews

10/10  Excellent Solar Viewing Wedge  Really pleased with the wedge. Really good high contrast white light views of the Sun. Good seeing conditions allow for higher magnification for greater sunspot detail. Used in conjuction with a Baader Single Polarising Filter (bought seperately) allows comfortable viewing. Highly recommended.  (04/07/2017) Steve Viney - Stockport


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