William Optics
Focusing Mask Bahtinov 172-235mm
$ 117.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/540 Space Gray OTA
$ 2,810.00
ready for shipping in 3-5
weeks
Baader
SkyScout finder scope shoe
$ 39.90
ready for shipping in 24
h
William Optics
Adapter SCT connection for WO Diagonals
$ 70.00
ready for shipping in 24
h
Baader
Filters Ultra-Narrowband 4.5nm OIII CCD-Filter 50x50mm
$ 590.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 81/478 Gran Turismo 81 IV OTA
$ 2,110.00
ready for shipping in 24
h
Baader
Extension tube Hyperion Finetuning ring 14mm
$ 24.90
ready for shipping in 1-2
weeks
William Optics
Focusing Mask Bahtinov 105-148mm
$ 93.00
ready for shipping in 24
h
William Optics
Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA
$ 5,100.00
ready for shipping in 3-7
days
William Optics
Carry case ZenithStar 71 & 73
$ 117.00
ready for shipping in 24
h
Baader
#2 grease, teflon white
$ 25.90
ready for shipping in 24
h
Baader
Elbowed Plug
$ 11.90
ready for shipping in 1-2
weeks
Baader
Filters UBVRI Bessel V 2"
$ 234.00
ready for shipping in 24
h
Baader
Filters UBVRI Bessel B 2"
$ 232.00
ready for shipping in 24
h
Baader
Filters H-alpha/OIII/SII CMOS Ultra-Narrowband 50x50mm
$ 1,420.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS f/2 Highspeed 65x65mm
$ 426.00
ready for shipping in 24
h
Baader
Eyepiece Classic Ortho 6mm
RRP:
$ 86.00
Our price:
$ 69.00
ready for shipping in 1-2
weeks
William Optics
Adapter Rotolock Adaptors 2" 1.25" Red
$ 93.00
ready for shipping in 24
h
Baader
Filters SII CMOS Narrowband 65x65mm
$ 415.00
ready for shipping in 24
h
William Optics
Camera adaptor M48 compatible with Nikon
$ 70.00
ready for shipping in 24
h
William Optics
Mounting plate for iOptron SkyGuider Pro
( 5 / 5 )
$ 70.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 91/448 GreyCat 91 WIFD OTA
$ 3,990.00
ready for shipping in 24
h
Baader
Focuser Diamond Steeltrack BDS-SC 2"
$ 429.00
Product can be shipped as of 15.01.2026
Baader
Filters SLOAN/SDSS (ugriz') Photometric 2"
$ 1,620.00
ready for shipping in 1-2
weeks
Baader
Filters SII CMOS Narrowband 50x50mm
$ 334.00
ready for shipping in 24
h
Baader
Filters SII CMOS f/2 Highspeed 50x50mm
$ 340.00
ready for shipping in 24
h
William Optics
Binocular telescope attachment ''BinoViewers'' with accessory package
$ 610.00
ready for shipping in 3-7
days
Baader
Morpheus 76° eyepiece set
RRP:
$ 1,920.00
Our price:
$ 1,540.00
ready for shipping in 1-2
weeks
Baader
Filters OIII CMOS f/2 Highspeed 50.4mm
$ 297.00
ready for shipping in 24
h
William Optics
Carry case ZS81/GT81/GTF81
$ 117.00
ready for shipping in 24
h
Baader
Binocular head MaxBright II + GK 1:1.7 1.25"
$ 690.00
ready for shipping in 1-2
weeks
William Optics
Losmandy Swan Series 400mm
$ 199.00
ready for shipping in 24
h
Baader
BDSF 120mm digital solar filter
$ 143.00
ready for shipping in 24
h
William Optics
Apochromatic refractor AP 156/1217 Fluorostar Gray OTA
$ 9,900.00
ready for shipping in 3-5
weeks
Telrad
100mm base
$ 41.90
ready for shipping in 24
h
Baader
Filters H-alpha/OIII/SII CMOS Narrowband 2"
$ 780.00
ready for shipping in 1-2
weeks