EYEPIECES

BARLOWS

FILTERS

COLLIMATION

ACCESSORIES

OTAs

Informational Essays

Email Signup








 
Welcome.

Eyepieces, Barlows, Filters, Star Diagonals, Adapters, Collimators, OTAs, & accessories for the Observer.





EXPLORE SCIENTIFIC COUNTERWEIGHT SET EXPLORE SCIENTIFIC SHROUD FOR 10" AND 12" Explore Scientific 12" Truss-Tube Dobsonian
EXPLORE SCIENTIFIC COUNTERWEIGHT SET FOR DOBS
Usually Ships in 1 to 2 Weeks
List Price: $67.99
Our Price: $34.99
Savings: $33.00
EXPLORE SCIENTIFIC SHROUD FOR 10" AND 12" TRUSS DOB
Usually Ships in 1 to 2 Weeks
List Price: $178.99
Our Price: $79.99
Savings: $99.00
Explore Scientific 12" Truss-Tube Dobsonian Telescope, 1525mm FL, f/5, 2-spd focuser, w/fans
Ships from Explore Scientific
List Price: $2,667.99
Our Price: $1,199.99
Savings: $1,468.00
Explore Scientific Dobsonian Counterweight set includes two 2.5 lb weightsand 14mm counterweight shaft.Attaches to pre-threaded hole on ES truss dobs, but can also be used on other dobsonian telescopes Explore Scientific lightweight and breathable black lycra shroud fits Explore Scientific 10"-12" truss dobsonian telescope to shield interior of scope from scattered light, and protect mirror from dew and objects falling on mirror.  Elastic ends hold shroud in place. Explore Scientific 12" Truss-Tube Dobsonian Telescope, 1525mm FL, f/5, 2-spd focuser, w/fans, deluxe red-dot finder, Aluminum rocker box
Howie Glatter Laser Collimator Barlow Attachment UNIHEDRON SQM--WIDE FIELD VERSION Explore Scientific 10" Solid Tube Dobsonian
Howie Glatter Laser Collimator Barlow Attachment
Usually Ships in 24 Hours
List Price: $65.00
Our Price: $50.00
Savings: $15.00
1 in stock!
UNIHEDRON SKY QUALITY METER (SQM)--WIDE FIELD VERSION
Usually Ships in 24 Hours
List Price: $149.99
Our Price: $119.99
Savings: $30.00
2 in stock!
EXPLORE SCIENTIFIC FIRSTLIGHT 10" SOLID TUBE DOBSONIAN, F/5, 2.5" FOCUSER, RDF
Ships from Explore Scientific
List Price: $1,556.99
Our Price: $699.99
Savings: $857.00
Howie Glatter Laser Collimator Barlow Attachment
Converts Laser to barlowed use for collimating primary mirror
An accurate meter for measuring sky brightness for astronomers in magnitude per square arc-second, the "Sky Quality Meter" has superb sensitivity in a handheld meter! Wide 80° field. EXPLORE SCIENTIFIC FIRSTLIGHT 10" SOLID TUBE DOBSONIAN, F/5, 2.5" FOCUSER, RDF, 61 lbs.
Farpoint kit,650nm 1.25"/2" + 2" cheshire + 2" Autocollimator + case ASTROSYSTEMS LIGHT PIPE 2" l Farpoint Autocollimator,2"
ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--2" f/4+
Usually Ships in 24 Hours
List Price: $145.00
Our Price: $89.99
Savings: $55.01
3 in stock!
Farpoint 2" Autocollimator, Red and Black Color.
Usually Ships in 24 Hours
List Price: $111.99
Our Price: $79.99
Savings: $32.00
1 in stock!
Farpoint 1.25"/2" laser plus 2" cheshire plus 2" autocollimator is the complete kit needed for collimation of secondary and primary mirrors and elimination of residual errors.  W/hard case. ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--2" A SINGLE AFFORDABLE TOOL TO COLLIMATE BOTH MIRRORS. f/4+ Farpoint Autocollimator for efficient elimination of all residual collimation errors. Especially important for short f/ratios or scopes with coma correctors.
Farpoint laser 650nm,1.25" only Explore Scientific 8" Solid Tube Dobsonian TELEVUE PARACORR II PHOTO/VISUAL COMA CORRECTOR, 2.0"
Farpoint laser collimator, red color body, 650nm red laser, 1.25" only barrel.
Usually Ships in 24 Hours
List Price: $111.99
Our Price: $79.95
Savings: $32.04
2 in stock!
EXPLORE SCIENTIFIC FIRSTLIGHT 8" SOLID TUBE DOBSONIAN, F/6, 2.5" FOCUSER, RDF
Ships from Explore Scientific
List Price: $1,111.99
Our Price: $499.99
Savings: $612.00
TELEVUE PARACORR II PHOTO/VISUAL NEWTONIAN COMA CORRECTOR, 2.0"
Usually Ships in 24 Hours
List Price: $625.00
Our Price: $475.00
Savings: $150.00
2 in stock!
Farpoint laser collimator, red color body, 650nm red laser, 1.25" barrel,0.8mm aperture stop for a tiny red dot from laser EXPLORE SCIENTIFIC FIRSTLIGHT 8" SOLID TUBE DOBSONIAN, F/6, 2.5" FOCUSER, RDF For a newtonian telescope with an f/5 or shorter focal ratio, the Paracorr is essential.  Edge-of-field stars that are as sharp as the stars in the center down to f/3.5 and below. Faint stars in the outer field pop out and planets that drift across the field stay focused.  Incl. 1.25" adapter.
ASTROSYSTEMS 2" LASER COLLIMATOR W/BARLOW ATTACHMENT Explore Scientific 10" Truss-Tube Dobsonian ASTROSYSTEMS LIGHT PIPE 1.25"
ASTROSYSTEMS 2" LASER COLLIMATOR WITH BARLOW ATTACHMENT
Usually Ships in 24 Hours
List Price: $208.00
Our Price: $139.99
Savings: $68.01
3 in stock!
Explore Scientific 10" Truss-Tube Dobsonian Telescope, 1270mm FL, f/5, 2-spd focuser, w/fans
Ships from Explore Scientific
List Price: $1,778.99
Our Price: $799.99
Savings: $979.00
ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--1.25"
Usually Ships in 24 Hours
List Price: $79.99
Our Price: $49.99
Savings: $30.00
3 in stock!
ASTROSYSTEMS 2" LASER COLLIMATOR WITH BARLOW ATTACHMENT. All the collimation tools you need in one affordable package. Explore Scientific 10" Truss-Tube Dobsonian Telescope, 1270mm FL, f/5, 2-spd focuser, w/fans, deluxe red-dot finder, Aluminum rocker box ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--1.25". A SINGLE AFFORDABLE TOOL TO COLLIMATE BOTH MIRRORS.



SUPER DEALS

Nexus DSC

List Price: $647.95
Our Price: $404.99
Savings: $242.96
Nexus DSC
NEXUS DSC ADVANCED DIGITAL SETTING CIRCLES--WIFI HEAD UNIT, MICRO SD CARD, CHARGER. Nexus DSC is an advanced digital setting circles computer for your telescope. Nexus DSC packs all the latest technologies into a device unequaled by any other.


MOST RECOMMENDED

Farpoint laser collimator, 650nm, 1.25"/2" combo
Our Price: $99.99
ASTROSYSTEMS LIGHT PIPE 2" f/3-4
Our Price: $89.99
DGM NPB narrowband nebula filter 2"
Our Price: $150.00
TELRAD REFLEX SIGHT W/MOUNTING BASE
Our Price: $40.00
UNIHEDRON SQM-L
Our Price: $134.99


RECENT ARRIVALS

Farpoint collimating cheshire, 1-1/4" diameter
Our Price: $29.99
Farpoint collimating cheshire, 2" diameter
Our Price: $39.99
APM Ultra-Flat Field 24mm 65° eyepiece--1.25"
Our Price: $196.99
Lunt XWA Hyperwide 5mm 110° eyepiece--1.25"/2.0"
Our Price: $279.00
StarGuy 66-94mm White Light Adj. Solar Filter
Our Price: $59.99