LACERTA Herschel prism set with Brewster angle (T2/31.7mm and ND3)

incl. 27% VAT

236.58
Including 27% VAT:
236.58 € (89 900 HUF)
Net price (for non-EU customers):
186.28 € (70 787 HUF)
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Product code: Herschel-LAC1s

LACERTA Herschel prism set with Brewster angle, incl. heat shield. (T2 threads and 31,7mm eyepiece-adaptors on both sides, free optical window 30mm).

More about the product

When using the Herschel wedge it is not needed to use an objective filter. The wedge diverts most of the Sun's heat and light and only a fraction is projected into the eyepiece. This Herschel wedge including an ND 3.0 filter, but an additional polarising filter (or an additional ND 0.9 instead of the polarising filter) is necessary for visual observations. With using more neutral density filters it is possible to adjust the image brightness as well.
A recommended accessory is the Solar Continuum filter from Baader, which makes the solar surface even more contrasty.

To use the wedge for photographic purposes, even more light can pass to the camera. Just remove the ND 3.0 filter and replace it with an ND 1.8 one. Also an adapter is needed to attach the camera to the standard 1.25" connector.

The wedge can be attached with a T2 thread to the telescope. At the other sied, the standard 1,25" eyepiece adapter is removable, where an other T2 thread to connect any T2 standard accessories (cameras, etc...)  The light path is very short, so it does not require extremely long light path, meaning that focus can be reached with most of the telescopes and cameras. 

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The product comes with 2 years warranty (excluding electric parts)

Recommended accessories

Polarising filter 30% average transmission (M28.5x0.6)
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Under procurement
Delivery:Under procurement
Bp. shop:Under procurement
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T2/T2 positive-positive adaptor with M28.5 x 0.6 Filter thread
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Neutral Moon filter ND1.8 (1.5% transmission, M28.5x0.6)
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Polarising 2" filter 30% average transmission (M48.5x0.75)
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Baader 7,5 nm Solar Continuum 1¼" Filter (540nm). Never use any eyepiece filter for solar observation without objective front filter!
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Add to basket140.79 €
Baader 7,5 nm Solar Continuum 2" Filter (540nm). Never use any eyepiece filter for solar observation without objective front filter!
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Limited stock (1 piece). Please contact our colleagues before ordering: +36-1-202-5651
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You are eligible for accessory discount only when purchased tugether with a main product.

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