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Pegasus Astro Temperature Sensor for DMFC The Pegasus Astro Temperature Sensor for DMFC is an external temperature measurement device attached to t...

Pegasus Astro Temperature Sensor for FocusCube The Pegasus Astro Temperature Sensor for FocusCube is an external temperature measurement device. It...

Pegasus Astro Environmental Sensor for UPB & PPB The Pegasus Astro Small Factor PC Base Plate for UPB V2 is an anodized aluminium base plate to...

PrimaluceLab Adapter ESATTO 3" for GSO/Orion/TPO RC 10, 12, 14 & 16" If you are searching for the most precise motorized focuser to use the GSO...

Pegasus Astro SCT Bracket for SCT, EdgeHD & RASA The anodized Pegasus Astro SCT Bracket for SCT, EdgeHD & RASA is a special shaped black an...

PrimaluceLab Adapter ESATTO 3" for FSQ-85 If you are searching for the most precise motorized focuser for Takahashi FSQ85, the PrimaluceLab Adapter...

PrimaluceLab 9mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

PrimaluceLab 5mm T2 extension PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side...

PrimaluceLab 2" Visual Back for ESATTO 3" If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" no...

PrimaluceLab ESATTO 2" Nosepiece adapter for ARCO 2" 2" nosepiece for ARCO 2" allows you to connect rotator to focusers that come with 2" visual b...

Lunt T2 to 2″ Adapter Do you want to use 2″ eyepieces with your Lunt solar telescope or solar filter? Simply remove the 1.25″ eyepiece tube from yo...

Pegasus Astro Photographic Filter - S2 2'' Mounted Photographic Filter Sulfur II (SII) filters are a narrow-band-filters for CCD/CMOS photography....

Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter The Oxygen III (OIII) CCD 7nm filter is designed for nebula observation allowing 7nm b...

Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter This narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm th...

Lunt B3400 Blocking Filter BLOCKING FILTER ARE REQUIRED ON ALL LUNT SOLAR TELESCOPES The Lunt B3400 Blocking Filter is best for visual work on tele...

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...