Updated on: 01 Jan 2026

 

New CMOS-Optimized filters:

* Narrow band, CMOS-optimized, > f/3.4

* Ultra narrow band, CMOS-optimized, > f/3.4

* Narrow band, f/2 highspeed, CMOS-optimized, < f/3.4

* Ultra narrow band, f/2 highspeed, CMOS-optimized, < f/2.3

* Ultra narrow band, f/3 highspeed, CMOS-optimized, f/2.3 - f/3.4

* LRGB, CMOS-optimized

 

**<Narrow band / high speed filter calculator>**

 

** Narrow band (6.5nm)

H-alpha narrowband CMOS-optimized filter

1.25", #2961100, ... HK$1,020 (in stock 現貨)

31mm, #2961101, ... HK$1,050 (pre-order 接受預訂)

36mm, #2961102, ... HK$1,210 (in stock 現貨)

2", #2961103, ... HK$1,750 (in stock 現貨)

∅50.4mm, #2961104, ... HK$1,820 (in stock 現貨)

50x50mm, #2961105, ... HK$2,080 (pre-order 接受預訂)

65x65mm, #2961106, ... HK$2,680 (pre-order 接受預訂)

  

H-alpha f/2 highspeed CMOS-optimized filter

1.25", #2961150, ... HK$1,090 (in stock 現貨)

31mm, #2961151, ... HK$1,120 (pre-order 接受預訂)

36mm, #2961152, ... HK$1,290 (in stock 現貨)

2", #2961153, ... HK$1,810 (in stock 現貨)

∅47.7mm, #2961153U, ... HK$1,690 (pre-order 接受預訂)

∅50.4mm, #2961154, ... HK$1,880 (in stock 現貨)

50x50mm, #2961155, ... HK$2,180 (pre-order 接受預訂)

65x65mm, #2961156, ... HK$2,680 (pre-order 接受預訂)

 

S-II narrowband CMOS-optimized filter

1.25", #2961250, ... HK$980 (in stock 現貨)

31mm, #2961251, ... HK$1,020 (pre-order 接受預訂)

36mm, #2961252, ... HK$1,190 (in stock 現貨)

2", #2961253, ... HK$1,680 (in stock 現貨)

∅50.4mm, #2961254, ... HK$1,990 (in stock 現貨)

50x50mm, #2961255, ... HK$2,080 (pre-order 接受預訂)

65x65mm, #2961256, ... HK$2,580 (pre-order 接受預訂)

 

S-II f/2 highspeed CMOS-optimized filter

1.25", #2961300, ... HK$1,080 (in stock 現貨)

31mm, #2961301, ... HK$1,140 (pre-order 接受預訂)

36mm, #2961302, ... HK$1,280 (in stock 現貨)

2", #2961303, ... HK$1,780 (in stock 現貨)

∅47.4mm, #2961303U, ... HK$1,680 (pre-order 接受預訂)

∅50.4mm, #2961304, ... HK$1,880 (in stock 現貨)

50x50mm, #2961305, ... HK$2,120 (pre-order 接受預訂)

65x65mm, #2961306, ... HK$2,680 (pre-order 接受預訂)

 

O-III narrowband CMOS-optimized filter

1.25", #2961175, ... HK$990 (in stock 現貨)

31mm, #2961176, ... HK$1,020 (pre-order 接受預訂)

36mm, #2961177, ... HK$1,190 (in stock 現貨)

2", #2961178, ... HK$1,690 (in stock 現貨)

∅50.4mm, #2961179, ... HK$2,020 (in stock 現貨)

50x50mm, #2961180, ... HK$2,120 (pre-order 接受預訂)

65x65mm, #2961181, ... HK$2,620 (pre-order 接受預訂)

 

O-III f/2 highspeed CMOS-optimized filter

1.25", #2961225, ... HK$1,080 (in stock 現貨)

31mm, #2961226, ... HK$1,150 (pre-order 接受預訂)

36mm, #2961227, ... HK$1,280 (in stock 現貨)

2", #2961228, ... HK$1,790 (in stock 現貨)

∅47.4mm, #2961228U, ... HK$1,680 (pre-order 接受預訂)

∅50.4mm, #2961229, ... HK$1,850 (in stock 現貨)

50x50mm, #2961230, ... HK$2,090 (pre-order 接受預訂)

65x65mm, #2961231, ... HK$2,680 (pre-order 接受預訂)

 

Ha/SII/OIII narrowband CMOS-optimized filter set

1.25", #2961650, ... HK$2,890 (in stock 現貨)

31mm, #2961651, ... HK$3,050 (pre-order 接受預訂)

36mm, #2961652, ... HK$3,480 (in stock 現貨)

2", #2961653, ... HK$4,920 (in stock 現貨)

∅50.4mm, #2961654, ... HK$5,620 (in stock 現貨)

50x50mm, #2961655, ... HK$5,980 (pre-order 接受預訂)

65x65mm, #2961656, ... HK$7,590 (pre-order 接受預訂)

 

Ha/SII/OIII f/2 highspeed CMOS-optimized filter set

1.25", #2961660, ... HK$3,120 (in stock 現貨)

31mm, #2961661, ... HK$3,310 (pre-order 接受預訂)

36mm, #2961662, ... HK$3,690 (in stock 現貨)

2", #2961663, ... HK$5,160 (in stock 現貨)

∅50.4mm, #2961664, ... HK$5,390 (in stock 現貨)

50x50mm, #2961665, ... HK$6,220 (pre-order 接受預訂)

65x65mm, #2961666, ... HK$7,720 (pre-order 接受預訂)

 

** Ultra narrow band (3.5nm/4nm) 

H-alpha Ultra-Narrowband CMOS-optimized filter (3.5nm)

1.25", #2961325, ... HK$1,940 (in stock 現貨)

31mm, #2961326, ... HK$2,050 (pre-order 接受預訂)

36mm, #2961327, ... HK$2,480 (in stock 現貨)

2", #2961328, ... HK$2,820 (in stock 現貨)

∅50.4mm, #2961329, ... HK$3,080 (in stock 現貨)

50x50mm, #2961330, ... HK$3,520 (pre-order 接受預訂)

65x65mm, #2961331, ... HK$4,380 (pre-order 接受預訂)

  

H-alpha f/2 Ultra-Highspeed CMOS-optimized filter (3.5nm)

1.25", #2961375, ... HK$2,040 (in stock 現貨)

31mm, #2961376, ... HK$2,120 (pre-order 接受預訂)

36mm, #2961377, ... HK$2,560 (in stock 現貨)

2", #2961378, ... HK$3,220 (in stock 現貨)

∅47.4mm, #2961378U, ... HK$3,090 (pre-order 接受預訂)

∅50.4mm, #2961379, ... HK$3,520 (in stock 現貨)

50x50mm, #2961380, ... HK$4,020 (pre-order 接受預訂)

65x65mm, #2961381, ... HK$5,120 (pre-order 接受預訂)

 

H-alpha f/3 Ultra-Highspeed CMOS-optimized filter (3.5nm)

1.25", #2961350, ... HK$1,920 (pre-order 接受預訂)

31mm, #2961351, ... HK$2,080 (pre-order 接受預訂)

36mm, #2961352, ... HK$2,490 (pre-order 接受預訂)

2", #2961353, ... HK$2,840 (pre-order 接受預訂)

∅50.4mm, #2961354, ... HK$3,090 (pre-order 接受預訂)

50x50mm, #2961355, ... HK$3,540 (pre-order 接受預訂)

65x65mm, #2961356, ... HK$4,420 (pre-order 接受預訂)

 

S-II Ultra-Narrowband CMOS-optimized filter (4nm)

1.25", #2961475, ... HK$1,840 (in stock 現貨)

31mm, #2961476, ... HK$1,960 (pre-order 接受預訂)

36mm, #2961477, ... HK$2,380 (in stock 現貨)

2", #2961478, ... HK$2,690 (in stock 現貨)

∅50.4mm, #2961479, ... HK$2,890 (in stock 現貨)

50x50mm, #2961480, ... HK$2,950 (pre-order 接受預訂)

65x65mm, #2961481, ... HK$3,920 (pre-order 接受預訂)

 

S-II f/2 Ultra-Highspeed CMOS-optimized filter (4nm)

1.25", #2961525, ... HK$1,840 (in stock 現貨)

31mm, #2961526, ... HK$1,990 (pre-order 接受預訂)

36mm, #2961527, ... HK$2,400 (in stock 現貨)

2", #2961528, ... HK$2,740 (in stock 現貨)

∅47.4mm, #2961529, ... HK$2,640 (pre-order 接受預訂)

∅50.4mm, #2961529, ... HK$2,920 (in stock 現貨)

50x50mm, #2961530, ... HK$2,970 (pre-order 接受預訂)

65x65mm, #2961531, ... HK$3,990 (pre-order 接受預訂)

 

SII f/3 Ultra-Highspeed CMOS-optimized filter (4nm)

1.25", #2961500, ... HK$1,860 (pre-order 接受預訂)

31mm, #2961501, ... HK$1,970 (pre-order 接受預訂)

36mm, #2961502, ... HK$2,380 (pre-order 接受預訂)

2", #2961503 ... HK$2,690 (pre-order 接受預訂)

∅50.4mm, #2961504, ... HK$2,910 (pre-order 接受預訂)

50x50mm, #2961505, ... HK$2,950 (pre-order 接受預訂)

65x65mm, #2961506, ... HK$3,950 (pre-order 接受預訂)

 

O-III Ultra-Narrowband CMOS-optimized filter (4nm)

1.25", #2961400, ... HK$1,810 (in stock 現貨)

31mm, #2961401, ... HK$1,960 (pre-order 接受預訂)

36mm, #2961402, ... HK$2,340 (in stock 現貨)

2", #2961403, ... HK$2,660 (in stock 現貨)

∅50.4mm, #2961404, ... HK$2,860 (in stock 現貨)

50x50mm, #2961405, ... HK$2,940 (pre-order 接受預訂)

65x65mm, #2961406, ... HK$3,920 (pre-order 接受預訂)

 

O-III f/2 Ultra-Highspeed CMOS-optimized filter (4nm)

1.25", #2961450, ... HK$1,860 (in stock 現貨)

31mm, #2961451, ... HK$1,990 (pre-order 接受預訂)

36mm, #2961452, ... HK$2,360 (in stock 現貨)

2", #2961453, ... HK$2,660 (in stock 現貨)

∅47.4mm, #2961453U, ... HK$2,570 (pre-order 接受預訂)

∅50.4mm, #2961454, ... HK$2,880 (in stock 現貨)

50x50mm, #2961455, ... HK$2,970 (pre-order 接受預訂)

65x65mm, #2961456, ... HK$3,940 (pre-order 接受預訂)

 

OIII f/3 Ultra-Highspeed CMOS-optimized filter (4nm)

1.25", #2961425, ... HK$1,810 (pre-order 接受預訂)

31mm, #2961426, ... HK$1,960 (pre-order 接受預訂)

36mm, #2961427, ... HK$2,360 (pre-order 接受預訂)

2", #2961428 ... HK$2,670 (pre-order 接受預訂)

∅50.4mm, #2961429, ... HK$2,870 (pre-order 接受預訂)

50x50mm, #2961430, ... HK$2,950 (pre-order 接受預訂)

65x65mm, #2961431, ... HK$3,930 (pre-order 接受預訂)

 

Ha/SII/OIII Ultra-Narrowband CMOS-optimized filter set (3.5/4nm)

1.25", #2961670, ... HK$5,390 (in stock 現貨)

31mm, #2961671, ... HK$5,730 (pre-order 接受預訂)

36mm, #2961672, ... HK$6,910 (in stock 現貨)

2", #2961673, ... HK$7,820 (in stock 現貨)

∅50.4mm, #2961674, ... HK$8,480 (in stock 現貨)

50x50mm, #2961675, ... HK$9,050 (pre-order 接受預訂)

65x65mm, #2961676, ... HK$11,700 (pre-order 接受預訂)

 

Ha/SII/OIII f/2 Ultra-Highspeed CMOS-optimized filter set (3.5/4nm)

1.25", #2961680, ... HK$5,510 (in stock 現貨)

31mm, #2961681, ... HK$5,820 (pre-order 接受預訂)

36mm, #2961682, ... HK$6,990 (in stock 現貨)

2", #2961683, ... HK$8,260 (in stock 現貨)

∅50.4mm, #2961684, ... HK$8,890 (in stock 現貨)

50x50mm, #2961685, ... HK$9,480 (pre-order 接受預訂)

65x65mm, #2961686, ... HK$12,400 (pre-order 接受預訂)

 

Ha/SII/OIII f/3 Ultra-Highspeed CMOS-optimized filter set (3.5/4nm)

1.25", #2961640, ... HK$5,420 (pre-order 接受預訂)

31mm, #2961641, ... HK$5,780 (pre-order 接受預訂)

36mm, #2961642, ... HK$6,930 (pre-order 接受預訂)

2", #2961643, ... HK$7,840 (pre-order 接受預訂)

∅50.4mm, #2961644, ... HK$8,490 (pre-order 接受預訂)

50x50mm, #2961645, ... HK$9,080 (pre-order 接受預訂)

65x65mm, #2961646, ... HK$11,700 (pre-order 接受預訂)

  

UV/IR Cut CMOS-optimized (L filter)

1.25", #2961570, ... HK$470 (in stock 現貨)

31mm, #2961571, ... HK$510 (pre-order 接受預訂)

36mm, #2961572, ... HK$580 (in stock 現貨)

2", #2961573, ... HK$790 (in stock 現貨)

∅47.4mm, #2961573U, ... HK$690 (pre-order 接受預訂)

∅50.4mm, #2961514, ... HK$990 (in stock 現貨)

50x50mm, #2961515, ... HK$1,290 (pre-order 接受預訂)

65x65mm, #2961516, ... HK$1,810 (pre-order 接受預訂)

  

LRGB CMOS-optimized filter set (4 pcs)

1.25", #2961610, ... HK$2,240 (in stock 現貨)

31mm, #2961611, ... HK$2,260 (pre-order 接受預訂)

36mm, #2961612, ... HK$2,880 (in stock 現貨)

2", #2961613, ... HK$3,710 (in stock 現貨)

∅50.4mm, #2961614, ... HK$4,080 (in stock 現貨)

50x50mm, #2961615, ... HK$4,750 (pre-order 接受預訂)

65x65mm, #2961616, ... HK$6,260 (pre-order 接受預訂)

* Please ask for single piece R, G, B, or 3 pcs RGB filters

 

H-beta narrowband 5.5nm, CMOS optimized

1.25", #2961080 ... HK$1,370 (in stock 現貨)

36mm, #2961082 ... HK$1,590 (in stock 現貨)

2", #2961083 ... HK$2,190 (in stock 現貨)

Ø50.4mm, #2961084 ... HK$2,350 (in stock 現貨)

  

IR pass 685nm filter 

1.25", #2458385 ... HK$660 (in stock 現貨)

2", #2458386 ... HK$1,060 (in stock 現貨)

 

U-Venus 320-380nm filter 

1.25", #2458292 ... HK$1,780 (in stock 現貨)

2", #2458291 ... HK$2,480 (in stock 現貨)

  

UHC-L filter

1.25", #2961560 ... HK$730 (in stock 现货)

2", #2961563 ... HK$1,250 (in stock 現貨)

 

Moon & Skyglow (Neodymium)

1.25", #2458305A ... HK$660 (in stock 现货)

2", #2458334A ... HK$1,080 (in stock 现货)

 

Methane (889nm, 8nm)

1.25", #2458295 ... HK$1,780 (in stock 現貨)

 

C2 Swan-Band (15nm) OIII parallel

1.25", #2961860 ... HK$580 (pre-order 接受預訂)

2", #2961863 ... HK$1,170 (in stock 現貨)

 

7.5nm Solar Continuum (CWL 540nm) 

1.25", #2961580 ... HK$870 (in stock 現貨)

2", #2961581 ... HK$1,470 (pre-order 接受預訂)

 

20nm H-alpha (CWL 656.3nm) 

1.25", #2961850 ... HK$690 (in stock 現貨)

2", #2961853 ... HK$1,220 (pre-order 接受預訂)

  

*** Special price CCD Narrowband/LRGB filters, as long as stocks last ***

 

UHC-S filter

36mm un-mounted, #2459420 ... HK$470 (in stock 現貨)

2", #2458276 ... HK$580 (in stock 現貨)

 

H-beta narrowband 8.5nm CCD filter

1.25", #2458425 ... HK$610 (in stock 現貨)

2", #2458426 ... HK$970 (in stock 現貨)

Ø50.8mm un-mounted, #2458427 ... HK$1,030 (in stock 現貨)

 

Ultra-Narrowband CCD filter

(3.5nm H-alpha)

1.25" ... HK$870 (in stock 現貨)

Ø50.4mm un-mounted ... HK$1,360 (in stock 現貨)

  

(4.5nm S-II)

1.25" ... HK$815 (in stock 現貨)

2" ... HK$1,180 (in stock 現貨)

 

H-alpha narrowband 7nm CCD filter

1.25" ... HK$460 (in stock 現貨)

Ø31mm un-mounted ... HK$470 (in stock 現貨)

Ø36mm un-mounted ... HK$540 (in stock 現貨)

Ø50.4mm un-mounted ... HK$800 (in stock 現貨)

 

S-II narrowband 8nm CCD filter

1.25" ... HK$440 (in stock 現貨)

2" ... HK$750 (in stock 現貨)

Ø50.4mm un-mounted ... HK$890 (in stock 現貨)

  

O-III narrowband 8.5nm CCD filter

1.25" ... HK$450 (in stock 現貨)

2" ... HK$750 (in stock 現貨)

Ø50.4mm un-mounted ... HK$900 (in stock 現貨)

  

Narrowband CCD filter set (Ha / SII / OIII)

1.25" ... HK$1,270 (in stock 現貨)

Ø50.4mm un-mounted ... HK$2,460 (in stock 現貨)

  

Fast speed f/2 Narrowband CCD filters

1.25" Ha ... HK$490 (in stock 現貨)

1.25" SII ... HK$480 (in stock 現貨) 

1.25" OIII ... HK$480 (in stock 現貨)

1.25" (Ha/SII/OIII) set ... HK$1,370 (in stock 現貨)

2" SII ... HK$790 (in stock 現貨)

 

UV/IR Cut (L filter)

2", #2459210A, ... HK$360 (in stock 現貨)

  

LRGB filter set (4 pcs)

31mm, #2458474, ... HK$990 (in stock 現貨)

∅50.4mm, #2458482, ... HK$1,790 (in stock 現貨)

 \

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Filter only for digital camera modification

ACF I filter, #2459211, for Canon 300D ... HK$580 (in stock 現貨)

ACF III filter, #2459214, for Canon 5D ... HK$620 (in stock 現貨)

BCF filter, #2459213, for Canon and other APS-C ... HK$520 (in stock 現貨)

 

DSLR camera filter replacement/removal service charge

APS-C camera ... HK$580

Full frame camera ... HK$680

 

Flip Mirror II Star Diagonal, #2458055 . . . HK$1,720 (in stock 現貨)

 

- Straight-through (S52, M48 and T2 on both sides) for full-frame camera

- Adjustable T2 thread on top for eyepiece clamps, video modules (up to 32mm image circle) or binoviewer

- Weight 195g  

 

Maxbright II binocular, #2456460  . . . HK$3,650 (in stock 現貨)

 

- With carrying case

 

Giant binocular viewer Mark V, #2456410  . . . HK$10,700 (in stock 現貨)

(Press here for system chart)

   

- Prism and nose piece shown in photo not included

- Including heavy duty T-2 quick changer, #2456313A

- Hard case with pre-cut foam included

　

Glasspath compensator 1.25x (for Maxbright/mark V bino), #2456314Z  . . . HK$920 (in stock 現貨)

Glasspath compensator 1.25x (for Maxbright bino), #2456314  . . . HK$920 (in stock 現貨)

Glasspath compensator 1.7x (for Maxbright/mark V bino), #2456316Z  . . . HK$960 (in stock 現貨)

Glasspath compensator 1.7x (for Maxbright bino), #2456316  . . . HK$960 (in stock 現貨)

Glasspath compensator 2.6x, #2456317  . . . HK$990 (in stock 現貨)

   

　

Prism and mirror diagonals

** Selection of diagonals **

 

(T-2 diagonal, M42 x 0.75mm female/male thread at both ends)

T-2 Amici-Prism with BBHS coating, #2456130  . . . HK$2,190 (in stock 現貨)

 

- Clear aperture 31mm, optical length 47.5mm

 

T-2 Maxbright mirror diagonal, #2456100  . . . HK$1,630 (in stock 現貨)

 

- Clear aperture 34mm, optical length 43mm

 

T-2 Zeiss-standard Prism with BBHS coating, #2456095  . . . HK$1,790 (in stock 現貨)

 

- Clear aperture 34mm, optical length 38.5mm

 

(2" diagonals)

2" Amici-Prism BBHS coating, #2456120  . . . HK$4,980 (in stock 現貨)

 

- Clear aperture 44mm, optical length 85mm

 

2" Amici-Prism, #2956152  . . . HK$2,150 (in stock 現貨)

 

- With 2" to 1.25" adapter

- Optical length 99mm with 2" barrel (add 10mm with 1.25" adapter)

 

2" ClickLock Mirror diagonal, #2956100  . . . HK$2,190 (in stock 現貨)

 

- Clear aperture 46.6mm, optical length 112mm

 

2" BBHS® Mirror Diagonal, #2456115  . . . HK$3,560 (in stock 現貨)

2" BBHS® Adjustable Mirror Diagonal, #2456105  . . . HK$3,680 (in stock 現貨)

 

- Clear aperture 47mm, optical length 112mm

 

2" BBHS® Adjustable Star Diagonal Prism, #2456118  . . . HK$3,880 (back ordered 訂貨中)

 

- Clear aperture 47mm, optical length 85mm

  

** Clicklock adapters specification **

1.25" nose piece / T-2 adapter (#14), #2458105  . . . HK$190 (in stock 現貨)

2" nose piece / T-2 adapter (#16), #2408150  . . . HK$280 (in stock 現貨)

ClickLock 2" M42x0.75 (T-2) clamp, #2956242 ... HK$720 (in stock 現貨)

ClickLock 2" M48x0.75 clamp, #2956248 ... HK$690 (in stock 現貨)

ClickLock 2" M54a x0.75 clamp, #2956251 ... HK$720 (in stock 現貨)

ClickLock 2" M56x0.75 clamp, #2956255 ... HK$620 (in stock 現貨)

ClickLock 2" M68x1 clamp, #2956268 ... HK$670 (in stock 現貨)

ClickLock 2" M72x1 clamp, #2956272 ... HK$840 (in stock 現貨)

ClickLock 2" SC/HD clamp, #2956220 ... HK$640 (in stock 現貨) 

ClickLock 2" SCL clamp (C9-C14), #2956233 ... HK$740 (in stock 現貨) 

Clicklock reducer 2" to 1.25" (#15B), #2956214  . . . HK$590 (in stock 現貨)

Clicklock eyepiece clamp 1.25" (#8), #2458100  . . . HK$620 (in stock 現貨)

- Rear side is T2 female thread (M42 x 0.75)

 

2 " Four-in-One Adapter M68/2"/M68, #2458190 ... HK$660 (in stock 現貨)

   

FFC Fluorite Flatfield Converter , 3x-8x, 2"/T2, #2458200  . . . HK$5,420 (in stock 現貨)

- Apochromatic, multi-coated fluorite lens system

 

MPCC Mark III, #2458400A  . . . HK$1,360 (in stock 現貨)

- No change in focal length or field size
- Newly calculated lens system - designed for an unvignetted field down to f3.5
- Maximum sharpness across the field - without center soft spot (as reported of other)
- Accepts T-2(M42x0.75) and/or 2"(M48x0.75) threaded photographic- or visual-adapters
- 2" stopping collar removable for increase in backfocus
- For photographic and visual use
- Phantom Group© multicoated for maximum transmission and freedom from reflections from UV to NIR
- 44mm clear aperture when using the M48(2") filter-tread or the Protective T-ring with optional adapter

 

MPCC Visual / Photographic Edition, #2458402 . . . HK$1,380 (in stock 現貨)

Including MPCC plus:

- Reducer 2" to 1.25" (eyepiece holder), #2408190

- Expanding ring M48/T-2, #2458110

- Hyperion FT ring 14mm, #2958214

- Hyperion FT ring 28mm, #2958228 

Morpheus 1.25"/2" eyepiece, 76º apparent field of view:

 

4.5mm, #2954204 . . . HK$1,990 (in stock 現貨) 

6.5mm, #2954206 . . . HK$1,990 (in stock 現貨)

9mm, #2954209 . . . HK$1,990 (in stock 現貨)

12.5mm, #2954212 . . . HK$1,990 (in stock 現貨)

14mm, #2954214 . . . HK$1,990 (in stock 現貨)

17.5mm, #2954217 . . . HK$1,990 (in stock 現貨)

Complete set (6 pcs) with case, #2954200 . . . HK$11,800 (in stock 現貨)

 

Classic Ortho 1.25" eyepiece, 52º apparent field of view:

6mm, #2954106 . . . HK$540 (in stock 現貨)

10mm, #2954110 . . . HK$540 (in stock 現貨)

18mm, #2954118 . . . HK$540 (in stock 現貨)

 

Classic Plossl 32mm 1.25" eyepieces, #2954132 . . . HK$490 (pre-order 接受預訂)

 

Hyperion 68° Modular eyepiece . . . HK$1,220 each (in stock 現貨)

- 20mm eye relief

- Fit for 1.25" / 2" ocular holders

 

Hyperion 68° Modular eyepiece starter kit with case, #2454602 . . . HK$4,720 (in stock 現貨)

* Including 5, 10, 17, 24mm eyepieces

 

Hyperion 68° Modular eyepiece full kit with case, #2454600 . . . HK$8,120 (in stock 現貨)

* Including 5, 8, 10, 13, 17, 21, 24mm eyepieces

 

Hyperion Aspheric 31mm 2" eyepiece, #2454631 . . . HK$1,470 (in stock 現貨)

Hyperion Aspheric 36mm 2" eyepiece, #2454636 . . . HK$1,550 (in stock 現貨)

  

Hyperion Zoom eyepiece Mark IV 8-24mm, #2454826 ... HK$1,990 (in stock 現貨)

- Lower weight (290g), slim design of 55mm diameter (perfect for binoviewing) 

- Zero -Tilt safety kerfs instead of the hated undercuts in the barrels

- Includes 2" SC-thread for shortest possible adaptation to telescope or prisms/mirrors

- 4mm backfocus-gain with spotting scope A-ring (included)

- Sufficient distance to clamp screws with telescope adapter B-ring (included)

- Eyepiece holster with belt strap, hold also firmly on tripod legs

 

Hyperion Zoom eyepiece Mark IV 8~24mm with 2.25x barlow, #2454827  ... HK$2,690 (in stock 現貨)

* 2.25x barlow only for Hyperion Zoom eyepiece, #2956180 ... HK$970 (in stock 現貨)

 

Q-Barlow 1.3x/2.25x, #2956185  . . . HK$390 (in stock 現貨)

Q-Turret - quadruplet eyepiece revolver 1.25", #2957010  . . . HK$390 (in stock 現貨)

 

Q-Turret - eyepiece set:

(Resolver, 3x Classic Ortho, 1x Classic Plossl, 1x Q Barlow 2.25x), #2957000  . . . HK$1,920 (pre-order 接受預訂) 

 

Hyperion eyepiece, M54 to T2-adapter, #2958085 ... HK$130 (in stock 現貨)  

Hyperion eyepiece, M43 to T2-adapter, #2958080 ... HK$130 (in stock 現貨)

- M43 to M42 (T2) adapter for eyepiece projection imaging (e.g. DSLR)

- Fit for Hyperion fixed or zoom eyepieces

 

SunDancer II Telecentric System TZ-3S, #1363070  ... HK$2,680 (in stock 現貨)

SunDancer II Telecentric System TZ-4S, #1363080  ... HK$2,820 (in stock 現貨)

2" Telecentric System TZ-4, #2459256  ... HK$2,920 (in stock 現貨)

 

VariLock 29, T-2 adjustable extension, #2956929 ... HK$440 (pre-order 接受預訂)

 

- Overall length 20~29mm, adjustable

- Rotation adjustable

 

VariLock 46, T-2 adjustable extension, #2956946 ... HK$490 (in stock 現貨)

 

- Overall length 29~46mm, adjustable

- Rotation adjustable

 

T-2 adjustable rings, #2458102 ... HK$120 (in stock 現貨)

- 15 pcs, 0.6/0.8/1.0/1.2/1.4mm, 3 each

- For back focus distance fine tuning

 

Laser collimator Mark III, #2450343 ... HK$730 (in stock 現貨)

- New design, for Newtonian and some SCs

 

Dovetail saddle, #2451530  . . . HK$320 (in stock 現貨)

  

Astro solar film

A4 size (original packing):

- Density 5.0 (for visual observation and imaging), #2459281 ... HK$220 (in stock 現貨)

- Density 3.8 (imaging only, not for visual observation), #2459278 ... HK$260 (in stock 現貨)

 

Turbo film, #2459350 (127cm x 51cm) ... HK$260 (in stock 現貨)

 

* Please ask for all other Baader items