JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

We use cookies and similar technologies to improve your experience, analyze traffic, and support our marketing efforts. Information may be collected by our analytics and advertising partners. By accepting cookies or continuing to the Site, you consent to cookies and information use under our Cookie Policy & Privacy Policy.

Skip to Content

Shop

Telescopes

Telescopes View All

Popular Telescopes

Popular Telescopes View All

Smart Telescopes

Beginner Telescopes

Astrophotography Telescopes

Refractor Telescopes

Dobsonian Telescopes

Refractor Telescopes

Refractor Telescopes View All

Petzval Telescopes

Triplet Telescopes

Doublet Telescopes

Reflector Telescopes

Reflector Telescopes View All

Dobsonian Telescopes

Newtonian Telescopes

Ritchey-Chretien Telescopes

Cassegrain Telescopes

Catadioptric Telescopes

Catadioptric Telescopes View All

RASA Telescopes

Maksutov Telescopes

More Telescopes

More Telescopes View All

Smart Telescopes

Solar Telescopes

Computerized Telescopes

Astrograph Telescopes

Spotting Telescopes

Telescope Bundles

Kids Telescopes

Astrophotography

Astrophotography View All

Cameras

Cameras View All

Deep Sky Cameras

Planetary Cameras

Mounts

Mounts View All

Harmonic EQ Mounts

Classic GoTo EQ Mounts

Counterweights & Balancing

Filters

Filters View All

Light Pollution Filters

Narrowband Filters

Broadband Filters

Planetary Filters

Specialty Filters

Optical Correctors

Optical Correctors View All

Field Flatteners

Coma Correctors

Barlows & Extenders

Imaging Accessories

Imaging Accessories View All

Smart Controllers

Guide Scopes & OAGs

Autofocusers & Focus Aids

Filter Drawers & Wheels

Camera Rotators

Adapters & Spacers

Collimation Tools

Smartphone Adapters

Mounts

Mounts View All

Equatorial Mounts

Equatorial Mounts View All

Harmonic EQ Mounts

Classic GoTo EQ Mounts

Alt-Azimuth Mounts

Alt-Azimuth Mounts View All

GoTo Alt-Az Mounts

Manual Alt-Az Mounts

Mount Accessories

Mount Accessories View All

Telescope Tripods

Counterweights & Balancing

Dovetail Saddles & Clamps

Polar Scopes & Tools

Equatorial Wedges

Hand Controllers & Electronics

Screws, Knobs, & Hardware

Vibration Suppression

Miscellaneous Mount Accessories

Mounting Hardware & Solutions

Mounting Hardware & Solutions View All

Dovetail Bars/Rails

Dovetail Clamps

Hybrid Mounting Solutions

Solar

Solar Telescopes

Solar Telescopes View All

H-Alpha Telescopes

White Light Telescopes

Solar Filters

Solar Filters View All

Solar Film Sheets

Ready-to-Use Telescope Solar Filters

Other Polymer Film Filters

Camera Lens Solar Filters

Herschel Wedges

H-Alpha Filters

Calcium H & K Filters

Other Specialty Filters

Solar Binoculars

Solar Accessories

Solar Accessories View All

Solar Glasses & Viewers

Eyepieces & Barlows

Miscellaneous Accessories

Accessories

Accessories View All

Telescope Accessories

Telescope Accessories View All

Field Flatteners

Coma Correctors

Barlows & Extenders

Telescope Focusers

Focuser Accessories

Dew Prevention & Control

Finder & Guide Scope Accessories

Diagonals & Prisms

Smart Telescope Accessories

Eyepieces

Eyepieces View All

1.25" Eyepieces

Specialty Eyepieces

Imaging Eyepieces

Adapters

Adapters View All

0.965" Adapters

M54 Threaded Adapters

Baader UFC Adapters

Binocular Adapters

Camera / Imaging Adapters

Dust Covers / Seals

Eyepiece Adapters

Extension Tubes

Gender Changers

SCT Thread Adapters

Spacer Rings / Extenders

T-Thread Adapters

Webcam & Video Adapters

Miscellaneous Adapters

Binoculars & Accessories

Binoculars & Accessories View All

Standard Binoculars (Up to 50mm)

Large Binoculars (56mm-90mm)

Giant Binoculars (100mm & Larger)

Solar Binoculars

Binocular Accessories

More Accessories

More Accessories View All

Lights & Laser Pointers

Maps, Books & Software

Cleaning Supplies

Agena Astro Apparel & Merchandise

Miscellaneous Accessories

Power Adapters, Cables & Batteries

Dust Covers & Seals

Mirrors & Holders

Smart Telescope Accessories

Accessory Packages

Sale

Shop Sales

Shop Sales View All

Celestron EdgeHD Sale

Sky-Watcher Dobtober Discounts Sale

Thousand Oaks Dew Heater Sale

William Optics Promotions

ZWO FF Refractor Sale

PrimaLuceLab ESATTO Sale

Vaonis Back to School Sale

ToupTek Summer Sale

Shop Clearance

Shop Clearance View All

Clearance Telescopes

Clearance Astrophotography

Clearance Mounts

Clearance Solar

Clearance Accessories

Brands

Baader Planetarium

AstroSuite ^NEW

Contact Us
Shipping FAQ
Returns & Exchanges
Help Center

Compare Products item items

Sign In Create an Account

Telescopes
Astrophotography
Mounts
Solar
Accessories
Sale
- Shop Sales
  
  Celestron EdgeHD Sale
  
  Sky-Watcher Dobtober Discounts Sale
  
  Thousand Oaks Dew Heater Sale
  
  ToupTek Sale
  
  William Optics Promotions
  
  View All
- Shop Clearance
  
  Clearance Telescopes
  
  Clearance Astrophotography
  
  Clearance Mounts
  
  Clearance Solar
  
  Clearance Accessories

AstroSuite ^NEW

Brands

Featured Brands

Over 30k 5-star reviews
Free shipping over $50*
Easy 30-day returns

Shopping Cart

Loading...

Discontinued Products

Sort by:

FILTER BY

Price

$

to

$

Stock

In Stock (22) items

Out of Stock (2857) items

Manufacturer

Search

3D Astro Accessories (16) items

Agena Astro (75) items

All Other (20) items

American Paper Optics (2) items

Antares (41) items

Antlia Filters (10) items

Artesky (13) items

Askar (14) items

Astro Hutech (9) items

Astrodevice (5) items

Astrodymium (15) items

Astronetics Design (2) items

Baader Planetarium (103) items

Berlebach (1) item

Blue Fireball (37) items

Bob's Knobs (8) items

Brandon / Vernonscope (13) items

Bresser (7) items

BST (1) item

BuckeyeStargazer (3) items

Celestron (431) items

Coronado (42) items

Cosmostory (1) item

David Chandler Company (4) items

DayStar Filters (4) items

Dew-Ninja (1) item

Dew-Not (2) items

Explore Scientific (45) items

Farpoint Astronomical (47) items

Founder Optics (2) items

GSO (31) items

HoTech (7) items

Howie Glatter (10) items

IDAS Filters (5) items

iOptron (42) items

Kasai Trading Co. (10) items

Kokusai Kohki (16) items

LensPen (39) items

Long Perng (19) items

Lumicon (87) items

Lunt Solar Systems (46) items

Machinza Astro Products (5) items

Masuyama (1) item

Meade (439) items

Move Shoot Move (5) items

Noblex / Docter (1) item

OCAL (3) items

OGMA (12) items

Optolong (70) items

Pegasus Astro (36) items

Player One Astronomy (8) items

PrimaLuceLab (5) items

ProAstroGear (2) items

QHYCCD (78) items

Revolution Imager (2) items

Rigel Systems (2) items

Rouz Astro (1) item

Shannon Telescopics (10) items

Sharpstar (24) items

Sky & Telescope (14) items

Sky Watcher (51) items

Spectrum Telescope (2) items

Starfield (4) items

Starlight Instruments (3) items

Takahashi (15) items

Tele Vue (41) items

Telrad (3) items

Thousand Oaks Optical (6) items

Track the Stars (TTS) (14) items

Unihedron (6) items

Vaonis (3) items

Vixen Optics (60) items

William Optics (291) items

Willmann-Bell (50) items

Zen-Ray (17) items

ZWO Astronomy Cameras (151) items

Customer Reviews

(414) items

& up (750) items

& up (790) items

Product Banner Type

closeout (2) items

coming-soon (8) items

discontinued - agena (600) items

discontinued - mfg (2304) items

new (154) items

sale (4) items

soldout (1) item

Adapter Specifications

Search

1.25" Eyepiece Holder (9) items

1.25" Nosepiece (9) items

2" Eyepiece Holder (22) items

2" Nosepiece (12) items

M28.5 (1.25" Filter) Thread - Female (2) items

M48 (2" Filter) Thread - Male (18) items

M48 (2" Filter) Thread - Female (43) items

T / T2 Filter Thread - Male (28) items

T / T2 Filter Thread - Female (22) items

SCT Thread - Male (9) items

SCT Thread - Female (38) items

C / CS Thread - Male (1) item

M12 Webcam Thread - Male (2) items

Meade ETX Thread - Female (2) items

Miscellaneous Thread - Male (50) items

Miscellaneous Thread - Female (9) items

Binocular Prism Type

Porro Prism (32) items

Roof Prism (55) items

Binocular Series

Search

Celestron Cavalry (5) items

Celestron Cometron (2) items

Celestron Cosmos (1) item

Celestron Echelon (3) items

Celestron Granite ED (6) items

Celestron Nature DX (10) items

Celestron Nature DX ED (4) items

Celestron Oceana (3) items

Celestron Outland X (6) items

Celestron SkyMaster (13) items

Celestron TrailSeeker (4) items

Celestron UpClose (14) items

Exp Scientific BT (4) items

Levenhuk Monaco (4) items

Lunt SunOculars (7) items

Meade Astro (2) items

Zen-Ray ZRS HD (6) items

Zen-Ray Prime HD (2) items

Zen-Ray Vista (2) items

Zen-Ray ED3 (3) items

Dovetail Length

Up to 4" (3) items

4.1" - 6" (4) items

6.1" - 8" (2) items

8.1" - 10" (6) items

10.1" - 12" (1) item

12.1 - 14" (1) item

Greater than 14" (4) items

Eyepiece Focal Length

5mm and Under (52) items

5.1mm - 10mm (87) items

10.1mm - 15mm (58) items

15.1mm - 20mm (50) items

20.1mm - 30mm (54) items

30.1mm - 40mm (26) items

40.1mm and Higher (4) items

Variable Range (8) items

Eyepiece Field of View

Up to 50 degrees (69) items

51 - 60 degrees (101) items

61 - 70 degrees (59) items

71 - 80 degrees (15) items

Over 80 degrees (69) items

Focuser Scope Type

Reflector (4) items

Refractor (4) items

SCT (4) items

Dovetail Design/Series

Other (6) items

V Series (Vixen) (26) items

D Series (Losmandy) (4) items

DV Series (3) items

Arca-Swiss (9) items

Accessory Size

Search

1.25 inch (136) items

2 inch (144) items

31mm Round Unmounted (16) items

36mm Round Unmounted (28) items

50.4mm Round Unmounted (7) items

50mm Square Unmounted (7) items

DSLR Clip On - Canon EOS APS-C (8) items

DSLR Clip On - Canon EOS FF (7) items

DSLR Clip On - Nikon D5000/D5100 (5) items

DSLR Clip On - Nikon D7000/D7100 (5) items

Hybrid (6) items

SCT (9) items

0 (1) item

Telescope Aperture

Search

Up to 2" [51mm] (28) items

2.1 - 3" [76mm] (38) items

2.1 - 3" [76mm] (67) items

3.1 - 4" [102mm] (111) items

4.1 - 5" [127mm] (49) items

5.1 - 6" [153mm] (52) items

6.1 - 8" [203mm] (25) items

8.1 - 10" [254mm] (19) items

10.1 - 12" [305mm] (25) items

12.1 - 16" [407mm] (19) items

Larger than 16" (4) items

Experience Level

Beginner (89) items

Intermediate (104) items

Advanced (48) items

Telescope Focal Length

Search

Up to 300mm (18) items

301 - 400mm (38) items

401 - 500mm (25) items

501 - 600mm (27) items

601 - 700mm (24) items

701 - 800mm (14) items

801 - 900mm (20) items

901 - 1000mm (25) items

1001 - 1250mm (20) items

1251 - 1500mm (6) items

1501 - 1750mm (8) items

1751 - 2000mm (13) items

2001 - 2500mm (25) items

2501 - 3000m (6) items

Greater than 3000mm (14) items

Telescope Focal Ratio

Search

Up to f/4 (26) items

f/4.1 - f/5 (51) items

f/5.1 - f/6 (36) items

f/6.1 - f/7 (44) items

f/7.1 - f/8 (33) items

f/8.1 - f/9 (6) items

f/9.1 - f/10 (54) items

f/10.1 - f/11 (5) items

f/11.1 - f/12 (15) items

f/12.1 - f/13 (6) items

Greater than f/13 (9) items

Telescope Optical Design

Search

Solar (16) items

Advanced Coma Free (ACF) (46) items

Aplanatic Schmidt (EdgeHD) (3) items

Astrograph (10) items

Maksutov-Cassegrain (13) items

Schmidt-Cassegrain (4) items

Cassegrain Reflector (4) items

Newtonian Reflector (49) items

Doublet (Achromat) (53) items

Doublet (Apochromat) (27) items

Triplet (Apochromat) (20) items

Quadruplet (Apochromat) (1) item

Petzval (15) items

Other (4) items

Telescope Series

Search

Askar ACL (1) item

Askar FMA (3) items

Askar FRA (1) item

Askar V (1) item

Askar Refractors (2) items

Celestron Astro Fi (3) items

Celestron AstroMaster (13) items

Celestron CGE (1) item

Celestron CGEM (3) items

Celestron CGEM HD (4) items

Celestron CGEM DX (2) items

Celestron CGEM DX HD (2) items

Celestron CGE Pro (3) items

Celestron CGE Pro HD (3) items

Celestron CGX-L (1) item

Celestron CPC (1) item

Celestron FirstScope (3) items

Celestron Inspire (3) items

Celestron LCM (4) items

Celestron NexStar Evolution (1) item

Celestron NexStar SLT (3) items

Celestron Omni XLT (8) items

Celestron Omni XLT AZ (3) items

Celestron Origin (1) item

Celestron PowerSeeker (9) items

Celestron RASA (5) items

Celestron SkyProdigy (5) items

Celestron Spotting Scopes (26) items

Celestron StarSense Explorer (1) item

Celestron Travel Scope (3) items

Coronado PST (5) items

Coronado SolarMax II (11) items

Coronado SolarMax III (12) items

DayStar (3) items

Exp Scientific AR Series (5) items

Exp Scientific Reflectors (4) items

Exp Scientific ED Triplet (8) items

Exp Scientific FirstLight (1) item

Exp Scientific Truss Tube (2) items

GSO Standard Newtonian (4) items

GSO Imaging Newtonian (2) items

Levenhuk Skyline Pro (3) items

Levenhuk Strike Pro (3) items

Lunt MT (8) items

Lunt Solar Ha (30) items

Meade ACF f/8 OTA (4) items

Meade ETX (8) items

Meade Infinity (6) items

Meade LightBridge Plus (12) items

Meade LightBridge Mini (3) items

Meade LS (4) items

Meade LT (2) items

Meade LX65 (9) items

Meade LX70 (8) items

Meade LX80 (6) items

Meade LX85 (24) items

Meade LX90 (6) items

Meade LX200-ACF (15) items

Meade LX600-ACF (8) items

Meade LX850-ACF (4) items

Meade Polaris (6) items

Meade Series 6000 (7) items

Meade Spotting Scopes (3) items

Meade StarNavigator (10) items

Meade StarPro AZ (4) items

Sharpstar Newtonian Astrographs (10) items

Sharpstar Refractors (9) items

Sky Watcher Flextube Dobsonian (2) items

Sky Watcher Esprit APO (3) items

Sky Watcher Evolux (2) items

Sky Watcher EvoStar (3) items

Sky Watcher Flextube SynScan Dobsonian (5) items

Sky Watcher Maksutov (1) item

Sky Watcher ProEd (4) items

Sky Watcher StarTravel (4) items

Sky Watcher Skymax (1) item

Sky Watcher Stargate Dobsonian (4) items

Takahashi FC (1) item

Takahashi FSQ (1) item

Vaonis Hestia (1) item

Vaonis Vespera (1) item

Vixen BT (1) item

Vixen Refractors (10) items

Vixen Rxx Reflectors (1) item

Vixen VMC (4) items

William Optics FLT (19) items

William Optics GT (25) items

William Optics GuideStar (4) items

William Optics RedCat (17) items

William Optics Star (3) items

William Optics Zenith Star (41) items

ZWO Refractors (4) items

ZWO Seestar (2) items

Telescope Mount Type

No Mount (OTA Only) (134) items

Alt-Azimuth (AZ) (45) items

Equatorial (EQ) (38) items

Fork (Dual Arm) (27) items

Fork (Single Arm) (23) items

Dobsonian (14) items

Color

Blue (2) items

Gold (1) item

Red (3) items

Sort by:

Discontinued

Takahashi M54 Male to M54 Male Wide Mount Adapter

$82.00

Out of Stock

Out of Stock
Discontinued

Baader UV-IR-CUT Filter - 36mm Round Unmounted

Special Price $72.00 Regular Price $96.00

Out of Stock

Out of Stock
Discontinued
$Meade StarPro 90mm Altazimuth Refractor Telescope # 234003$

Meade StarPro 90mm Altazimuth Refractor Telescope

$219.00

Out of Stock

Out of Stock
Discontinued
$Meade StarPro 102mm Altazimuth Refractor Telescope # 234004$

Meade StarPro 102mm Altazimuth Refractor Telescope

$269.00

Out of Stock

Out of Stock
Discontinued

William Optics Vixen Style Dovetail Mounting Base / Shoe for Finders

$22.00

Out of Stock

Out of Stock
Discontinued

William Optics Saddle Plate for Vixen-Style Dovetail Plate

$48.00

Out of Stock

Out of Stock
Discontinued
$Celestron Omni XLT 102 Refractor Telescope # 21088$

Celestron Omni XLT 102 Refractor Telescope

$699.95

Out of Stock

Out of Stock
Discontinued

Meade LightBridge Plus 10" f/5 Truss Tube Dobsonian Telescope - Base

$779.00

Out of Stock

Out of Stock
Discontinued

QHY 5R-II Color Astronomy Camera & Autoguider with USB 2.0

$99.00

Out of Stock

Out of Stock
Discontinued

QHY 12 Cooled Color Astronomy Camera with USB 2.0

$2,699.00

Out of Stock

Out of Stock
Discontinued

QHY 11 Cooled Monochrome Astronomy Camera with USB 2.0

$4,299.00

Out of Stock

Out of Stock
Discontinued

QHY 3rd Generation Medium Electronic Filter Wheel - Ultra Thin (2" or 50mm Round, 5 Position)

$349.00

Out of Stock

Out of Stock
Discontinued

QHY Minicam 5S Cooled Monochrome Astronomy Camera with USB 2.0

Special Price $448.00 Regular Price $560.00

Out of Stock

Out of Stock
Discontinued

QHY 5-III 290C Color Astronomy Camera with USB 3.0

$149.00

Out of Stock

Out of Stock
Discontinued

QHY 5-III 290M Monochrome Astronomy Camera with USB 3.0

$329.00

Out of Stock

Out of Stock
Discontinued

QHY 5-III 178C Color Astronomy Camera with USB 3.0

Special Price $279.00 Regular Price $299.00

Out of Stock

Out of Stock
Discontinued

QHY 174M Cooled Monochrome Astronomy Camera

Special Price $798.15 Regular Price $939.00

Out of Stock

Out of Stock
Discontinued

QHY 290M Cooled Monochrome Astronomy Camera

Special Price $619.65 Regular Price $729.00

Out of Stock

Out of Stock
Discontinued

QHY 247C Cooled Color Astronomy Camera

Special Price $1,399.00 Regular Price $1,699.00

Out of Stock

Out of Stock
Discontinued

QHY 128C-Pro Cooled Color Astronomy Camera

$2,695.00

Out of Stock

Out of Stock
Discontinued

QHY 16803 Cooled Monochrome CCD Astronomy Camera with Filter Wheel

$10,890.00

Out of Stock

Out of Stock
Discontinued

William Optics 50mm Right Angle Correct Image Finder - Gold

$158.00

Out of Stock

Out of Stock
Discontinued

QHYCCD 30mm f/4.3 Mini Guidescope with Mount for Select QHY5-II/III Cameras - Silver

Special Price $119.00 Regular Price $129.00

Out of Stock

Out of Stock
Discontinued

QHYCCD 30mm f/4.3 Mini Guidescope without Mount for Select QHY5-II/III Cameras

$109.00

Out of Stock

Out of Stock

Items 1417-1440 of 2879

Page 59
You're currently reading page 60
Page 61
Page 62

Show:

24
48
72

Free Shipping

on orders over $50*

Easy Returns

from day of receipt

Live Inventory

for all products

Sign up for Agena Astro emails

Be first to know about sales, new astro gear & events

CONTACT

[email protected]

* Not A Retail Store *

13100 Alondra Blvd, Suite 106
Cerritos, CA 90703, USA

ACCOUNT

Log in
Create Account
Order Status
Order History
Wishlist

SUPPORT

Contact Us
Ordering FAQ
Shipping & Delivery
Returns & Exchanges
International Orders
Coupons & Discounts

RESOURCES

Agena Academy
Affiliate Program
Site Map
Discontinued Products

WHO WE ARE

About Us
Job Openings
Customer Reviews
Media Kit

Copyright © 2003-2026 Agena Astro. All rights reserved.

Terms of Use
Privacy Policy
Cookie Policy

Manage Cookie Preferences