EYSDON 1.25" Image Rectifier 1.5X Erecting Eyepiece Barlow Lens for Newtonian Reflector Astronomical Telescope
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Specifications
- Prism Description
- BAK4
- Brand Name
- EYSDON
- Objective Lens Diameter
- NA
- Field of View
- NA
- Model Number
- 90419
- Lens Coating Description
- FMC
- Focus Type
- CENTRAL
- Material
- Metal
- Magnification
- 1.5X
- Eyepiece diameter
- 1.25 Inch
- Origin
- Mainland China
- Water Resistance Level
- IPX4
- Type
- Monocular
- Choice
- yes
- semi_Choice
- yes
Product Description
Product Description:
This Eysdon Image Rectifier Universal Erecting Prism is a new roof design for Newtonian Reflector Telescopes,and 1.5X means that it has a 1.5x Barlow effect,it not only rectifies the image but also magnifies the image by 1.5x.
It also with standard M42x0.75mm thread for Astro-photography.
Body Material: Aluminum
Prism: BAK4
Prism Type: Roof
Coated: Multi-Coated Lens
Adapter:1.25 Inches
Threads: M42X0.75mm (for Astrophotography)
Magnification:1.5
Package Include:
1 x Image Rectifier
Note:
Please allow 0-2mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
If you really care about these details, pls DO NOT order.
Multi-Coated Lens
If you don’t need 1.5X magnification, you can remove the lens inside the front lens
Connect the Camera T Ring
(For display only, this link does not contain Camera T ring)
Pros & Cons
Pros
- 1.5X magnification corrects inverted images in Newtonians
- BAK4 prism with FMC coating for sharp views
- Standard 1.25" fit with M42 thread
- IPX4 water resistance
Cons
- Limited to Newtonian reflectors only
- No eyepiece diameter alternatives
- Barlow effect may narrow field of view
- Basic metal build without extras
Common Questions
What material is the erecting eyepiece made from?
Metal body with BAK4 prism and FMC lens coating.
What is the size and magnification?
1.25-inch eyepiece diameter; 1.5X barlow magnification for Newtonian telescopes.
Is this compatible with Newtonian reflector telescopes?
Yes, specifically for Newtonian reflectors; M42x0.75mm thread.
How to use this image rectifier prism?
Insert into 1.25" focuser; rectifies inverted image with 1.5X boost.
What is the shipping time for this telescope accessory?
From Mainland China, 10-25 business days standard.
Product information last updated on December 31, 2025