With this Vixen Optics 100mm Finder Eyepiece you can eliminate the need for a conventional finderscope to make finding and viewing celestial objects faster and easier. Its extremely long 100mm focal length yields very low magnifications on even the largest catadioptrics or longest refractors, and the wide 11° apparent angle of view makes finding your target object easy as long as you're in the right general area of the night sky. Centering your subject is made even more convenient with the crosshair aiming reticle. This Finder Eyepiece is outfitted with a 1.25" barrel to fit the most popular size drawtubes, visual backs, and diagonals.
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Key Features
- Use Instead of Finderscope
- Extreme Low-Power 100mm Focal Length
- Wide 11° Apparent Angle of View
- 1.25" Diameter Barrel
With this Vixen Optics 100mm Finder Eyepiece you can eliminate the need for a conventional finderscope to make finding and viewing celestial objects faster and easier. Its extremely long 100mm focal length yields very low magnifications on even the largest catadioptrics or longest refractors, and the wide 11° apparent angle of view makes finding your target object easy as long as you're in the right general area of the night sky. Centering your subject is made even more convenient with the crosshair aiming reticle. This Finder Eyepiece is outfitted with a 1.25" barrel to fit the most popular size drawtubes, visual backs, and diagonals.
Vixen Optics 35203 Overview
Vixen Optics 35203 Specs
| Focal Length | 100mm |
| Apparent Field of View | 11° |
| Eyepiece Barrel Diameter | 1.25" |
| Dimensions | ø: 2 x L: 7.3" / ø: 5.1 x L: 18.5 cm |
| Weight | 6.4 oz / 180 g |
Packaging Info
| Package Weight | 0.5 lb |
| Box Dimensions (LxWxH) | 9 x 3 x 3" |
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What is the eye relief?
What is the eye relief?
The MFR only provides this info, please contact them directly for the Eye relief.
Reduce the need for a finder scope with this lower power eyepiece.
Fits 31.7mm visual back. Contains cross hairs.
Focal length: 100mm
Apparent FOV: About 11 Degrees
Size: 2" x 7.3"
Weight: 6.35 oz
Actual field of view varies with optical instrument.
Examples of actual field of view:
Vixen SD81 OTA with a focal length of 600mm is 1.76 degrees
SD103 OTA with a focal length of 795mm is 1.38 degrees
SD115 OTA with a focal length of 890mm is 1.23 degrees
VMC200lL with a focal length of 1950mm is 0.56 degrees
Vixen Optics
Tel: 949-429-6363
Email: [email protected]
Website: http://www.vixenoptics.com/
Date published: 2021-03-05
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