Updated on: 11 Oct 2021

1.25" round mounted Ha 3nm filter . . . HK$4,370

1.25" round mounted SII 3nm filter . . . HK$4,370

1.25" round mounted OIII 3nm filter . . . HK$4,370

1.25" round mounted Ha 5nm filter . . . HK$2,950 (in stock 現貨)

1.25" round mounted SII 5nm filter . . . HK$2,950 (in stock 現貨)

1.25" round mounted OIII 5nm filter . . . HK$2,950 (in stock 現貨)

1.25" round mounted Tru-Balance Gen 2 E-series LRGB filters . . . HK$4,240 (in stock 現貨)

1.25" round mounted Tru-Balance Gen 2 I-series LRGB filters . . . HK$4,240

36mm round unmounted Ha 3nm filter . . . HK$5,790

36mm round unmounted SII 3nm filter . . . HK$5,790

36mm round unmounted OIII 3nm filter . . . HK$5,790

36mm round unmounted Ha 5nm filter . . . HK$3,880

36mm round unmounted SII 5nm filter . . . HK$3,880

36mm round unmounted OIII 5nm filter . . . HK$3,880

36mm round unmounted Tru-Balance Gen 2 E-series LRGB filters . . . HK$6,120

36mm round unmounted Tru-Balance Gen 2 I-series LRGB filters . . . HK$6,120

Ø49.7mm unmounted Ha 3nm filter . . . HK$8,870 (in stock 現貨)

Ø49.7mm unmounted SII 3nm filter . . . HK$8,870

Ø49.7mm unmounted OIII 3nm filter . . . HK$8,870

Ø49.7mm unmounted Ha 5nm filter . . . HK$6,740

Ø49.7mm unmounted SII 5nm filter . . . HK$6,740

Ø49.7mm unmounted OIII 5nm filter . . . HK$6,740 (in stock 現貨)

Ø49.7mm unmounted Tru-Balance Gen 2 E-series LRGB filters . . . HK$9,200

Ø49.7mm unmounted Tru-Balance Gen 2 I-series LRGB filters . . . HK$9,200

49.7mm square Ha 3nm filter . . . HK$11,100

49.7mm square SII 3nm filter . . . HK$11,100

49.7mm square OIII 3nm filter . . . HK$11,100

49.7mm square Ha 5nm filter . . . HK$9,680

49.7mm square SII 5nm filter . . . HK$9,680

49.7mm square OIII 5nm filter . . . HK$9,680

49.7mm square Tru-Balance Gen 2 E-series LRGB filters . . . HK$11,000

49.7mm square Tru-Balance Gen 2 I-series LRGB filters . . . HK$11,000

65mm square Ha 3nm filter . . . HK$19,300

65mm square SII 3nm filter . . . HK$19,300

65mm square OIII 3nm filter . . . HK$19,300

65mm square Tru-Balance Gen 2 E-series LRGB filters . . . HK$21,200