Optolong Moon & Skyglow 2"

Price: £59.08

Availability: Backorder; Estimated delivery time 3-18 days

Product description

Moon & Skyglow Introduction

Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow 589nm and many street light emissions from artificial light. Its high efficiency preserves image brightness, reveals more details and increases contrast of moon, galaxies, nebulae and globular star clusters.

Main Use

Ideally it is quite versatile filter for visual observation and astrophotography on planetary nebula.

WARNING: The filters of Optolong are not designed for sun observation. DO NOT LOOK AT THE SUN WITH OPTOLONG FILTER. You would be BLIND if you fail to observe the warning.

Moon & Skyglow Spectrum and Characteristic
Sbustrate: B270
Thickness: 1.85mm
Tave: T>90%
Blocking range: 350-1050nm
Blcoking depth: light pollution line blocking >99%
Surface quality: 60/40
Transmitted Wavefront RMS: λ/4
Parallelism: 30s

Shipping costs

GLS/EuroParcel: £13.61; European delivery 2-5 days.
PostNord Parcel locker: £5.05
PostNord Home deliver: £16.27; Environmentally friendly delivery to your door at the agreed time. Trackable deliveries in real time even in the evenings in the biggest cities. Change your delivery as required.
UPS Standard: £12.76; Delivery to Europe in 2 to 5 days.
Postipaketti: £5.05
Kotipaketti: £11.05