ERF S-Series 1.25 ″ ERF filter for Quark Chromosphere Player One

ERF S-Series 1.25 ″ ERF filter for Quark Chromosphere Player One

Name: ERF S-Series 1.25 ″ ERF filter for Quark Chromosphere Player One
Brand: Player One Astronomy
SKU: PLYPOA-ERF125
Price: 47.74 EUR
Availability: InStock

Reference PLYPOA-ERF125

Last items in stock

47.74

VAT excluded Shipping 24/48h

Order it before 6 hours and 14 minutes and receive it between on Thursday, 28 November and Thursday, 5 December with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Thursday, 28 November - Thursday, 5 December

Home delivery - International

Estimated delivery:
Thursday, 28 November - Thursday, 5 December

✖

Description
Product Details

ERF S-Series 1,25 ″ filter for Chromosphere

(Caution: this filter should not be used without a full aperture filter!!!)

Player One S series filter using high quality optical glass substrate and multilayer composite coating technology, which has excellent optical performance in astrophotography.

1.25-inch ERF filter (energy rejection filter for chromosphere.

This filter is an auxiliary filter, made for the Chromosphere Quark (Ha Version), rejects some of the energy and thus helps prolong the life of your quark.

why add an ERF to the Quark?

The Quark's first filter is quite small, the solar disk could be larger than it, the light would heat it and its holder. With this 1.25 ″ ERF filter, we can protect both the filter and its holder from high temperatures.

And don't worry about the ERF itself, it uses B270 clear glass and multi-mount coating, it will reflect most of the energy.

does it have any other uses?

Yes, this ERF filter can also be used in lunar imaging, it will provide an even brighter image than IR685 filter, it could also improve vision.

Features:

Size: 1.25 inch, M28.5 * 0.6 thread
Thickness: body 5mm + thread 2mm, total 7mm
Glass thickness: 2 mm
PV: 1/4 lambda
Transmission: ≈99%
Blocking: OD2 (300 nm-1100 nm)

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