Diagonals / Telescope Accessories - Huge Savings! Save up to 15%


Huge Savings! Up to 15% off on Diagonals (in Telescope Accessories) at Toni Lynn Photography [124]. Top brands include Orion, Baader-Planetarium, SVBONY, Astromania, SOLOMARK, Tele Vue, AURIGA, William Optics, Gazechimp, Celestron, kesoto, & APM. Hurry! Limited time offers. Offers valid only while supplies last.



Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal
By Orion
In Stock
$76.68

mpn: 8879, ean: 0759270088798,

4.8 out of 5 stars with 35 reviews
Don't put a standard-issue diagonal into a high-quality refractor or Cassegrain telescope or you'll be losing 10% or more of the light collected by the scope's optics. Use an Orion Enhanced diagonal instead. Their lab-tested enhanced aluminum coatings reflect 97% of the inbound light to your eyepiece, for brighter images compared to standard diagonals. Beautifully machined and anodized aluminum housings feature machine-threaded baffles for high contrast and nonmarring compression ring collars fo


Baader Planetarium T-2/90 Degrees 32 mm High-Angle Prism with Eyepiece and Socket Connection - Black
By Baader-Planetarium
In Stock
$112.83

mpn: 2456005K, ean: 4047825011305,

4.6 out of 5 stars with 31 reviews
Star Diagonal Prism. Manufacturer: Baader Planetarium. SKU (#): 2456005K. Weight (kg): 0.202. Optical Design: Star Diagonal Prism. Inner Connection (lens sided): Thread, T-2 (M42 x 0,75). Outer Connection (lens sided): Barrel, 1¼''. Inner Connection (eyepiece/-camera-sided) Clamp, 1¼''. Outer Connection (eyepiece/-camera-sided): Thread, T-2 (M42 x 0,75). Reflection surface: Total reflection. AR-Coating: High transmission multi-coated (HT-MC). Image Orientation: Erect image, Mirror inverted. Op


Orion 20-Inch Twist-Tight Dielectric Mirror Star Diagonal
By Orion
In Stock
$161.86
$159.99
You Save: 1%

mpn: 40902, ean: 0759270409029,

4.6 out of 5 stars with 35 reviews
Orion has given their 2 inch dielectric mirror diagonal a new twist - literally! With its twist-tight clamping mechanism, the Orion 2 inch Dielectric Twist-Tight Mirror Star Diagonal presents a significant upgrade from typical thumbscrew-equipped diagonals. A simple clockwise twist of the diagonal's knurled red aluminum collar precisely centers any inserted eyepiece or accessory and holds it securely in place. The innovative twist-tight mechanism keeps your valuable eyepieces free of pesky thumb


Orion 1.25 Inch Twist-Tight Dielectric Mirror Star Diagonal
By Orion
In Stock
$119.99

mpn: 40901, ean: 0759270409012,

4.2 out of 5 stars with 40 reviews
The Orion 1.25 inch Twist-Tight Dielectric Mirror Star Diagonal gives the typical thumbscrew-equipped telescope diagonal a new twist - literally! This innovative diagonal features a twist-tight clamping mechanism that securely grasps inserted 1.25 inch eyepieces and accessories with a simple clockwise twist of its red aluminum collar. Unlike thumbscrew-equipped diagonals, the Orion Twist-Tight diagonal delivers equal inward pressure to precisely center eyepieces, camera nosepieces, and other equ


SVBONY 2 inches 90 Deg Dielectric Mirror Diagonal for Astronomical Telescope with 1.25 inches Adapter
By SVBONY
In Stock
$62.99

mpn: FW2733A,

4.2 out of 5 stars with 56 reviews
If you paid for high performance coatings for your telescope, why lose 8% of your light using a standard diagonal We list our dielectric coated diagonals at 99% reflectance, but this does not tell the complete story. While the reflectance is at a little more than 99% for the deep violet and reds, the reflectance for a the rest of the spectrum is essentially 100% Features: 100% Brand New and Never Used High glossy finish appearance Threads fit standard 1.25'' and 2'' filters Excellent Quality Di


Orion 8880 1.25-Inch Dielectric Mirror Star Diagonal
By Orion
In Stock
$97.70
$85.47
You Save: 13%

mpn: 8880, ean: 0759270088804,

4.5 out of 5 stars with 40 reviews
The Orion 1.25'' Dielectric Mirror Star Diagonal is an ideal choice for refractor and Cassegrain telescope owners who wish to obtain the brightest views possible while using a diagonal. This high-quality mirror diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99% reflectivity. With such a high reflectivity diagonal, your telescopic views of starry skies will be bright, detailed and full of contrast. Dielectric mirror coatings are more durable than enhanced


Astromania 2" 45-Degree Erecting Prism Diagonal for Telescope
By Astromania
In Stock
$187.99

mpn: SKU_AM_DP2D45, ean: 6970019292953,

4.8 out of 5 stars with 10 reviews
Precision Prism - Image erecting BAK4 prism with anti-reflection coating. - High accuracy and high light reflection prism. - Brass compression ring. Superior Craftsmanship - Internally matte blackened and threaded for no internal stray light reflection. - Threaded for 2'' filters. Ready to Go - 1.25'' adapter with brass compression ring included. - Large, chromed thumbscrews. Beautiful Finish - Entirely aluminum, black anodized. - Smooth finish. Features: - Prism: High quality BAK4 with anti-ref


Orion 8727 2-Inch Dielectric Mirror Star Diagonal
By Orion
In Stock
$152.33
$129.99
You Save: 15%

mpn: 8727, ean: 0759270087272,

4.2 out of 5 stars with 22 reviews
The Orion 2'' Dielectric Mirror Star Diagonal is an ideal choice for refractor and Cassegrain telescopes equipped with a big, 2'' focuser. This diagonal is perfect for those who wish to obtain the brightest views possible while using a diagonal. The high-quality mirror diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99% reflectivity. With such a high reflectivity diagonal, your telescopic views of starry skies will be bright, detailed and full of contrast


Baader Planetarium 2-Inch Clicklock Mirror Diagonal Eyepiece
By Baader-Planetarium
In Stock
$248.33

mpn: 2956100, ean: 0962392002201,

4.9 out of 5 stars with 24 reviews
High quality, beautifully crafted star diagonal.The highly accurate mirror is not hindered by its ultra reflective coatings as many similar models are, in some models up to 1/2 a wave accuracy is lost due to the layers of coatings, this is not the case with Baaders all-dielectric mirror coatings.Your eyepieces are protected from marks and scratches by Baaders innovative clicklock clamp system, a simple 20 degree twist is all it takes to secure your eyepieces.Oversized 2'' dielectric 1/10 wave mi


Solomark 2inch Explorer Enhanced Dielectric Diagonal Mirror - ENHANCED 99% REFLECTIVITY for Maximum View Brightness and Sharpness
By SOLOMARK
In Stock
$69.99

mpn: QHDM, ean: 0607994613188,

4.0 out of 5 stars with 49 reviews
If you are interested in making nighttime viewing orientations through a refractor telescope, the Solomark Explorer was designed with you in mind. If you are looking for the most clear view from your powerful arms, along with durability, then the Solomark Explorer is here for you. The Solomark Explorer 2inch mirror diagonal features sophisticated,Multi-layered dielectric coatings that provide an astounding 99% reflectivity for maximum view brightness and sharpness, so that you have the best vie


Tele Vue 90° Enhanced Aluminum Mirror Diagonal 1.25" with Brass Clamp Ring.
By Tele Vue
SKU: #TVDS1QE
In Stock
$165.00
$139.49
You Save: 15%

sku: TVDS1QE, mpn: DSC-0125, ean: 0410000032589,

4.6 out of 5 stars with 15 reviews
The Enhanced Aluminum 1¼'' diagonal features a 93% reflective mirror coating. All diagonals feature brass clamp rings and filter threads. The Enhanced Aluminum diagonals are good budget alternatives, especially where a prism diagonal might otherwise be considered


31.8mm Diagonal Image Rectifier
By AURIGA
In Stock
$78.38

mpn: AU-DIAG-RADD125, ean: 8032539194655,

4.2 out of 5 stars with 59 reviews
The telescopes can be used due to the excellent optical qualities that characterise them also for earthly or naturalistic observations. However, as we know, the images that a telescope returns to the observer eyes are reversed. Observing and using a telescope in the field would therefore be complicated and uncomfortable. With the 45° prismatic diagonal with straightened image however you can use your own tool for natural and earthly observations just like a normal spotting scope. The Auriga ima


William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal for Refractors
By William Optics
In Stock
$145.00

mpn: D-DIG2D-C-DB, ean: 6900000847367,

4.8 out of 5 stars with 36 reviews
Introducing the New William Optics 2014 Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! This 90° 2''mirror-type star diagonal has a Dura-Bright 12mm thick mirror, 1/10 or better wave surface accuracy, and dielectric mirror coatings for 99% reflectivity which provides higher contrast and resolution during critical planetary, lunar and binary star observations. Features a 2'' nosepiece for insertion into refractor telescopes and other 2'' focuser barrels. Dura


gazechimp 2X 90 Degree Wide Angle Telescope Accessories Adapter Black Prism Diagonal Mirror
By Gazechimp
In Stock
$108.99

mpn: 9803452e3b225f3963938c21dacfa8af, ean: 0745270168486,

4.4 out of 5 stars with 11 reviews
Description: - 2'' Eyepiece 1.25'' Astronomy Telescope Erecting Prism Diagonal Mirror 90 Degree. - A more comfortable viewing position and clear image. - Fully Coated:high quality optical glass for maximum brightness. - High Reflectivity:built-in high-definition reflective prism, reflectivity up to 95%. - 1.25'' and 2'' Connectors:2'' eyepiece attachment and 1.25'' telescope.Specification: - Material:Metal + Glass - Size:Length*Width:14*6 cm/5.51*2.36 inchPackage Includes:2x Telescop


Celestron 90° Dielectric Star Mirror Diagonal with Twist Lock (1.25")
By Celestron
In Stock
$129.99

mpn: 9357X-CELESTRON,

4.2 out of 5 stars with 40 reviews
Ensure maximum light transmission without loss of optical quality with the Celestron Dielectric Star Diagonal, 1.25'' with Twist-Lock. Upgrade your existing star diagonal to this premium one and enjoy brighter, sharper images without replacing your telescope. This star diagonal reflects the telescope's light path 90° to provide a more comfortable viewing angle. In addition, the glass has 58 layers of dielectric coatings, which provide an over 99% reflective surface, delivering the maximum amoun


kesoto 2X Telescope Mirror, 1.25" 90 Degree Diagonal Adapter Erecting Image Prism Mirror
By kesoto
In Stock
$98.99

mpn: 48fc067d7549047b00813a9612d84102, ean: 0745270294130,

4.4 out of 5 stars with 40 reviews
Description: - 2'' Eyepiece 1.25'' Astronomy Telescope Erecting Prism Diagonal Mirror 90 Degree. - A more comfortable viewing position and clear image. - Fully Coated:high quality optical glass for maximum brightness. - High Reflectivity:built-in high-definition reflective prism, reflectivity up to 95%. - 1.25'' and 2'' Connectors:2'' eyepiece attachment and 1.25'' telescope.Specification: - Material:Metal + Glass - Size:Length*Width:14*6 cm/5.51*2.36 inchPackage Includes:2x Telescop


Orion 52055 Pentaprism 1.25-inch Telescope Diagonal Mirror, Black
By Orion
In Stock
$199.99

mpn: 52055, ean: 0759270520557,

4.2 out of 5 stars with 44 reviews
The Orion pentaprism Degree diagonal is a non-inverting, non-reversing 1.25'' diagonal with a Degree viewing angle. Unlike a star diagonal, it does not produce a mirror-reversed image, which can make navigation and referring to star Maps while observing with your telescope difficult. But Unlike a correct-image diagonal, there is no image degradation caused by the ridge line where prisms intersect, which especially affects high-power viewing. It is the only diagonal that can be used with the Orio


APM 2" Erect Image Prism Diagonal with Fast Lock
By APM
In Stock
$289.00

mpn: APM-2-diag-EI-PR-FL, ean: 4251404702120,

4.8 out of 5 stars with 27 reviews
The APM 2'' Erect Image Prism Diagonal with Fast Lock and Ultra Broadband Coating Produced by APM Telescopes, this 2'' Erect Image Prism Diagonal provides the finest in optical quality! This erect image prism for Astronomical Observation offers the highest accuracy for maximum magnifications and image brightness, thanks to its new Ultra Broadband compensation. With a 46mm free aperture, it boats the largest opening on the market, allowing use with all 2'' eyepieces without vignetting. The APM


Solomark 2inch Explorer Enhanced Dielectric Diagonal Mirror with 2inch-1.25inch Adapter - Enhanced 99% REFLECTIVITY for Maximum View Brightness and Sharpness-Carbon Fiber Side Plates
By SOLOMARK
In Stock
$96.99

mpn: QHDM, ean: 0747380997611,

4.3 out of 5 stars with 57 reviews
If you are interested in making nighttime viewing orientations through a refractor telescope, the Solomark Explorer was designed with you in mind. If you are looking for the most clear view from your powerful arms, along with durability, then the Solomark Explorer is here for you. The Solomark Explorer 2inch mirror diagonal features sophisticated,Multi-layered dielectric coatings that provide an astounding 99% reflectivity for maximum view brightness and sharpness, so that you have the best vie



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