Clear Filter Optolong 2"

Name: Clear Filter Optolong 2"
Brand: Optolong
SKU: OTLOG-CLEAR-200
Price: 25.58 EUR
Availability: PreOrder

Reference OTLOG-CLEAR-200

Stock at Supplier

25.58 29.71 -4.13

VAT excluded Shipping 5/7d

Clear transparent filter can be used as dust protection, as a parafocal device for other filters or as a UV/IR filter in retro-reflective systems.

Buy it now and receive it between on Friday, 4 October and Friday, 11 October with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Friday, 4 October - Friday, 11 October

Home delivery - International

Estimated delivery:
Friday, 4 October - Friday, 11 October

✖

Description
Product Details

Clear Filter Optolong 2"

Clear filters do not have any special optical properties. They are used as dust protection and especially as a parafocal device for other filters Optolong.

The clear filter should be placed in a filter turret, in combination with other filters Optolong. The presence of filters, whatever they are, changes the focusing distance on the sensor. Therefore, a Clear filter should be used for focusing before switching to filters that sometimes do not allow easy focusing (e.g. H-alpha or S-II filters). It does not filter UV or IR rays. Its multi-layer treatment eliminates parasitic reflections.

The second function of the Clear filter is to protect the camera sensor from dust. Since it does not change the transmission spectrum of the optical train, color balance is maintained.

Finally, the Clear filter can be used as an alternative to a UV/IR filter if your optical system does not contain lenses.

The aluminum cell is manufactured by CNC machines that provide extreme manufacturing precision. The cell is very thin, with a total aperture of 26 mm for the 1.25" (31.75 mm) diameter.

Clear Filter Optolong 2"

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