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Diagonals & Prisms

Baader T-2 90° Prism Star Diagonal Body w/ Carl Zeiss Spec Prism T2-01B 2456095

AU $397.05

GSO 1.25" 90 degree Erect Image Amici Prism Diagonal # PD90

AU $54.11

Baader T-2 90° Prism Star Diagonal Body # T2-01C 2456005

AU $224.90

Celestron 1.25" Dielectric Star Diagonal with Twist-Lock # 93571

AU $247.09

GSO 1.25" 90-deg 99% Dielectric Mirror Diagonal with Compression Ring - NEW

AU $118.06

Celestron 1.25" Telescope Prism Star Diagonal # 94115-A

AU $82.89

Tele Vue 2" 90-deg Enhanced Aluminum Star Diagonal w/ 1.25" EP Adapter DEP-8003

AU $486.35

GSO 2" 90-deg 99% Dielectric Mirror Diagonal for SCT Telescope

AU $195.13

William Optics 1.25" 99% Dielectric DuraBright Carbon Fiber Star Mirror Diagonal

AU $175.40

William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

AU $146.70

Baader 2" Clicklock Mirror Star Diagonal w/ M68 Zeiss Thread CLDIAG-2Z 2956100Z

AU $508.67

Baader T-2 90° 32mm Prism Diagonal w/ 1.25" Nosepiece / Eyepiece Holder 2456005K

AU $269.50

Long Perng 1.25" 45-deg Correct Image Amici Prism Diagonal # K1.25T-A

AU $125.99

Long Perng 1.25" 90-deg Correct Image Amici Prism Diagonal # K1.25T-H

AU $141.93

Tele Vue 1.25" 90-deg Enhanced Aluminum Star Diagonal # DSC-0125

AU $301.39

Baader 1.25" 45° Amici Prism Diagonal # AMICI-45 2956150

AU $146.75

Tele Vue 1.25" 90-deg Everbrite Star Diagonal # DPC-1250

AU $454.46

Long Perng 2" 90-deg Correct Image Amici Prism Diagonal # K2T-E01

AU $374.73

William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror SCT Diagonal

AU $274.27

William Optics 1.25" 90-deg Erecting Prism Diagonal Helical Focuser D-EP90-125II

AU $153.08

Baader 2" Clicklock Mirror Star Diagonal for Telescope # CLDIAG-2 2956100

AU $492.74

Explore Scientific 99% Dielectric 2" Diagonal for Telescope # DD02-00CF

AU $318.92

GSO 2" 90-deg 99% Dielectric Mirror Diagonal for Refractor Telescope

AU $195.13

Tele Vue SCT Accessory Package: 2" Visual Back Diagonal 1.25" EP Adapter SCP8202

AU $652.20

Celestron 1.25" 45-deg Erect Image Diagonal # 94112-A

AU $82.89

William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal

AU $251.94

Baader 2" Clicklock BBHS Dielectric Mirror Star Diagonal # MAX-2S 2456115

AU $795.71

Baader 2" 90° Erecting Amici Prism Clicklock Diagonal # AMICI-DX2 2456120

AU $1,146.52

Baader 2" 45° Erecting Amici Prism SCT Diagonal w/ 1.25" Adapter # AMICI-45-2...

AU $381.12

Celestron 2" SCT Mirror Diagonal with XLT coating # 93527

AU $318.84

Baader 2" 90° Erecting Amici Prism Diagonal w/ 1.25" Adapter # AMICI-2 2956152

AU $476.80

Celestron 2" Dielectric Star Diagonal with Twist-Lock # 93573

AU $398.57

About us

Agena AstroProducts is a leading online retailer of astronomy telescopes, binoculars, and accessories. We offer products from Antares, Baader Planetarium, Blue Fireball, GSO, Meade, Oberwerk, Rigel Systems, Telrad, William Optics, and many other companies.

Welcome to our eBay store!
Location: United StatesMember since: 25 April 2007Seller: agenaastro

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable postage costs
4.8
Postage speed
4.9
Communication
5.0

Seller Feedback (23,035)

7***7 (25)- Feedback left by buyer.
Past 6 months
Verified purchase
Finally able to collimate my SCT!!!
g***g (2829)- Feedback left by buyer.
Past 6 months
Verified purchase
Perfect! ,Complete! Just what I needed for my Canon 10x42L IS WP binoculars! This is the best stargazing, solar viewing, birding, coastal sightseeing binoculars EVER! A+ Seller FIVE STARS..... All the Way:) Thanks.
h***s (99)- Feedback left by buyer.
Past 6 months
Verified purchase
Super fast shipping
9***9 (275)- Feedback left by buyer.
Past year
Verified purchase
Works great with the binoculars eyepiece….thanks
-***u (17)- Feedback left by buyer.
Past month
Verified purchase
Excellent device, super fast shipping, it arrived in perfect condition and very well packaged. I totally recommend the seller.
a***z (785)- Feedback left by buyer.
Past 6 months
Verified purchase
Excellent Description, Photos, Fast Shipping. Excellent Vendor. Highly Recommend.