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Description
Vixen Optics SD103S Overview
Ideal for visual observation as well as prime focus, eyepiece projection, and afocal imaging astrophotography techniques, the Vixen Optics SD103S 103mm f/8 ED APO Refractor Telescope marks the middle size in the series, boosting its light-gathering ability up from the smaller model, without the weight and size of the larger one�making this an ideal addition to an amateur astronomer or photographer who wants to view and photograph the moon, planets, and deep sky objects.
Optically, Vixen outfitted the SD103S with FPL53 extra-low dispersion (ED) glass, in a fully multi-coated apochromatic lens system that corrects for both spherical and chromatic aberrations, astigmatism, and off-axis comas. This correction creates a wide flat field of view without distortion and removes the blue-tinted halo effect for true high-contrast color transmission. It can accept both 2" and 1.25" eyepieces and accessories for visual use, and threads on the drawtube allow direct connection of T-rings and other camera mounts.
Included with the the optical tube assembly (OTA) is a flip-mirror diagonal with dual 1.25" holders. The light path can be directed to the upper holder with the mirror in the Up position, and to the rear holder by flipping it down. For visual observation, the mirror can hold two eyepieces to allow easy changes from low to high magnification. When using it for imaging, the camera or imaging system is placed in the back, and an eyepiece can be attached at the top to check alignment and tracking between exposures.
Vixen offers the OTA without a mount and tripod for users who already have a reliable support system, but include a mounting ring assembly and a Vixen-style dovetail plate to make it compatible with a wide variety of mounts. An integrated carry handle makes set up and break down easier and safer.
- Designed to capture the entire field of view of a DSLR camera with a full-frame image sensor
- Large 103mm aperture draws in enough light to view the moon, planets, and deep sky objects
- Fast f/8 focal ratio makes it ideal for long exposure astrophotography and imaging
- 795mm focal length produces a high magnification potential without being excessively long
- Refractor-style light path delivers clear and sharp image
- FPL53 extra-low dispersion glass corrects chromatic aberration across the entire visual spectrum for clearer views and images without halos or fringing
- Apochromatic lens configuration eliminates spherical aberrations that cause distortion at the edges of the field of view, and further corrects chromatic aberrations
- Anti-reflection multi-coated optics improve light transmission to produce bright and clear high-contrast images with accurate color fidelity
- Resolution: 1.13 arcsec
- 60mm and 42mm adapter threads accept T-ring and camera mounts for astrophotography and imaging
- Rack-and-pinion focusing mechanism; focus lock ensures images remain tack-sharp during long-exposure image capture
- 2" and 1.25" visual back for eyepieces and accessories
- Optical tube assembly only � mount head and tripod required for proper use
- Vixen-style dovetail plate is compatible with a wide variety of mount heads
- Tube rings enable the OTA orientation to be adjusted for proper balance and to avoid interference with mount and accessories
- Integrated carry handle for a secure set up and break down
- Weight: 12 lb
- Flip mirror down to direct light straight back or move it up to use upper holder
- Enables the use of two eyepieces or a guider eyepiece and imaging system
- 1.25" holders are compatible with a wide variety of eyepieces and accessories
- 7° field of view
- 7x power ensures a wide field of view to make alignment easy and star-hopping navigation fast
- Large 50mm aperture allows dimmer celestial objects to be seen for more alignment options with the ability to more easily find observable objects without star charts or navigation/GoTo systems
- Illuminated reticle with rheostat to control brightness intensity
- Includes mounting bracket
Items Included
- Vixen Optics SD103S 103mm f/8 ED APO Refractor Telescope (OTA Only)
- Mounting Tube Rings
- Diagonal Flip-Mirror
- Dovetail Mounting Plate
- Carry Handle
- Vixen Optics 7x50 Illuminated Finderscope
- Vixen Optics 50mm Finder Bracket (Tall)
- Limited 5-Year Manufacturer Warranty
Additional Resources
No additional resources available
Vixen Optics SD103S Specs
| Optical Design |
Refractor
|
| Aperture |
103mm
|
| Focal Length |
795mm
|
| Focal Ratio |
f/7.7
|
| Eyepiece Barrel Diameter |
1.25"
|
| Diagonal |
Flip-mirror, dual-eyepiece holder
|
| Finderscope |
7 x 50
|
| Tripod |
None
|
| Mount Type |
Vixen-style dovetail
|
| Power Source |
None
|
| Optical Tube Dimensions |
32.0 x 4.5" / 81.0 x 11.5 cm
|
| Weight |
12.0 lb / 5.4 kg
|
| Package Weight |
13.6 lb
|
| Box Dimensions (LxWxH) |
37 x 10 x 9"
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 316089.2 |
| 3-5 | ₹ 312863.8 |
| 5-10 | ₹ 306413.0 |
| 10+ | ₹ 299962.2 |
Bulk discount will be automatically applied during checkout based on quantity.