Optolong LRGB-CCD Set Size:2" These filters offer superior color

These filters offer superior color separation and transmission

This solidly built guide scope is an ideal addition to any astro-photographer's collection

the customer will get it through the buzzer/vibration/LED indications

the Highspeed Version ensures enhanced contrast and nebula visibility

Retekess FT11 FM transmitter with 10 TR108 Neck Hanging FM Receiver Earphones

Optolong LRGB-CCD Set Size:2" These filters offer superior colorOptolong LRGB CCD Set The Optolong LRGB CCD Set is designed for maximum contrast and with extremely high gradients for clear differentiation of colours. The LRGB filter set divides the spectrum into its components Red, Green, Blue, and Luminance. OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural colour imaging. Gap between green and red filters serves to block out the primary Sodium light