Small box

Lunt B600 Calcium K Module Calcium K (Ca-K) telescopes and filters are used to study the wavelength of 393.4 nm. This emission line is one of two t...

Lunt B1800 Calcium K Module Calcium K (Ca-K) telescopes and filters are used to study the wavelength of 393.4 nm. This emission line is one of two ...

Lunt B1200 Calcium K Module Calcium K (Ca-K) telescopes and filters are used to study the wavelength of 393.4 nm. This emission line is one of two ...

Lunt B600 Blocking Filter Which Blocking Filter to Choose The smallest recommended BF for a specific scope allows for the most inexpensive version ...

Lunt B1800 Blocking Filter Which Blocking Filter to Choose The smallest recommended BF for a specific scope allows for the most inexpensive version...

Lunt B1200 Blocking Filter BLOCKING FILTERS ARE REQUIRED ON ALL LUNT SOLAR SYSTEMS The Lunt B1200 Blocking Filter is recommended for imaging use on...

Pegasus Astro Dovetail Brackets for UPB V1 The Pegasus Astro Dovetail Brackets for UPB V1 allows you to install the Ultimate Powerbox V1 device ont...

Optolong SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

Optolong ND3.0 Neutral Density Filter Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectr...

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

Lunt Polarizing Filter for White Light Wedges When doing visual work with Lunt White Light Wedges, we recommend adding a Lunt Polarizing Filter for...

Lunt 100mm Ha Etalon Filter The Lunt LS100FHa Solar Filter is a 100 mm aperture with a Root 3 non-centralized obstruction integrally tuned etalon f...

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

Optolong NB Filters SHO 6.5nm Narrowband Filter Kit Optolong SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, ...

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...

Optec-DSI 3.5" Telescope Spacers High Performance 3.5″ Threaded Extension Rings Rich Simons of Deep Sky Instruments and Optec have jointly develope...

iOptron Vibration Suppression Pads Set of 3 Vibration Suppression Pads. For use with iOptron tripods or other tripods. Dimension Φ2.5" X 1" In the...

Optec Optional Second Stepper Board for Dual-Focus Control The standard FocusLynx Controller hub can easliy be converted into a Dual-Focus Controll...

Optec Optional External Temperature Probe Kit Though the QuickSync motors include an on-board temperature probe for measuring ambient temperature c...

Optec FocusLynx RJ45 to DB9 Converter for Robo-Focus motor The Optec FocusLynx RJ45 to DB9 Converter for Robo-Focus motors allows you to use a Robo...

Optec FocusLynx Mounting Bracket The #19691 Optec FocusLynx Universal Mounting Bracket screws directly to the back of the FocusLynx Control Hub bac...

Optec FocusLynx Dual-Focus Controller Optec’s FocusLynx Dual-Focus Controller has years of field experience with multiple connection methods.   Cap...

Optec Add-On Motor for Sagitta OAG Optec engineers designed the Sagitta OAG to provide a solution for remote imagers who require the ability to adj...

iOptron RS232-USB Converter The iOptron RS232-USB Converter is USB to RS232 adapter using FTDI chipset. Tested for iOptron mount. Features Conver...

iOptron AccuAlignTM Polar Scope for CEM/SkyGuider/SkyTracker Serieses iOptron AccuAlign dark filed illuminated polar scope. To select a correct po...

iOptron Polar Scope for SmartEQ Bright field illuminated polar scope designed for the SmartEQ portable equatorial mount. In the Box iOptron Polar...

Losmandy V Series 4" Male to Male Dovetail Plate Losmandy V Series 4" Male to Male Dovetail Plate. For use of secondary equipment on equatorial mou...

Losmandy Short Counterweight Shaft The Losmandy Short Counterweight Shaft is used on lighter setups. For use on GM 8, G-9, G-11, G11GT. 8 inch leng...

Losmandy HD Tripod Foot The Losmandy HD Tripod Foot Set fits the HD Tripod adjustable tripod legs. 5" diameter for large surface contact. Dampens v...

iOptron iPolar Adapter iPolarTM electronic polar scope additional adapter. This adapter only fit an iPolar camera with USB port on the side (#3339)...

iOptron iGuide Autoguider System iOptron iGuide compact autoguider system consists of portable mini guiding scope with a diameter of 30mm and focal...

iOptron GPS Module for CEM26/GEM28/CEM40/GEM45 This 32-channel external GPS module is for CEM26/GEM28 mount. It is also a replacement module for CE...