CELESTRON SkyMaster 25x100 Porro Binoculars
- 25x magnification porro prism binocular
- Giant 100 mm objective lens offers maximum image brightness in low-light and long-range conditions
- Ultra sharp focus across the field of view
- Individual Eyepiece Focus to ensure optimal focus position
- Multi-Coated optics for sharp, clear views
- Suitable for long-range terrestrial or astronomical viewing
- Protective rubber covering for ultra-firm grip
- Integrated tripod adapter rod for ultra-stable tripod mounting
- Long eye relief ideal for eyeglass wearers
- Deluxe padded carrying case included for travel and safe storage
- Made by Celestron, USA
Description
With an aperture of 10 cm, these binoculars are a true double telescope, having a larger aperture than many smaller telescopes, and twice as wide. For maximum mechanical and collimation stability, the SkyMaster 25x100 has a reinforced housing with a central rod and integrated tripod mount.
With a weight of 4 kg and 25x magnification, you will need a sturdy tripod so that the binoculars can show off their strengths. But then it delivers images you won't forget - whether you're looking up at the sky or targeting terrestrial targets.
The larger aperture allows more resolution than with smaller binoculars, and looking through binoculars with both eyes allows relaxed observations over long periods of time.
Even in low light conditions such as twilight, they still show details, while smaller binoculars simply turn off the light. The single eyepiece focusing also serves as dioptre compensation. By dispensing with a central drive, an even more stable housing is possible.
Celestron SkyMaster - large binoculars at an affordable price
Large binoculars are the link between handy binoculars and large telescopes. By dispensing with a central drive, an even more stable housing is possible
The Celestron SkyMaster binoculars are available with apertures that can compete with many smaller telescopes - but at the same time they offer a large field of view, making it easier to find your targets while keeping an eye on the surroundings.
Do you want to observe distant targets on earth, or do you prefer astronomical targets in the sky? SkyMaster binoculars are perfectly suited for both tasks.
To prevent the image from shaking during observation, all binoculars have a tripod adapter built in. So you can mount them on a ball head or - better - a two or three-way panhead without an additional adapter.
Carrying bag and strap complete the package. Of course, all SkyMaster binoculars have dioptre compensation. Focusing is conveniently done by a center drive on the 70 or 80mm aperture binoculars, the 25x100 has single eyepiece focusing. With an optional camera mount like the Baader Planetarium MicroStage II you can also take pictures through the binoculars.
Many possibilities and combinations
Large binoculars with more than tenfold magnification can only be used hands-free for a short time. With a tripod the binoculars have a stable hold and you can observe in a relaxed manner. For the high magnification of the SkyMaster binoculars a tripod with fine drives is helpful. In general a tilt head is better than a simple ball head because it is more suitable for panning.
If the binoculars are mounted on a tripod, you can also take pictures with a digital camera through one of the eyepieces - this is particularly convenient with a MicroStage camera mount, which allows a compact camera to be perfectly aligned behind the eyepiece and swivelled to the side without losing alignment.
Astronomical quality
Do you want to observe distant targets on earth, or do you prefer astronomical targets in the sky? SkyMaster binoculars are perfectly suited for both tasks. To ensure that the image does not wobble during observation, all binoculars have a built-in tripod adapter. So you can mount them on a ball head or - better - a two or three-way panhead without an additional adapter. Carrying bag and strap complete the package. Of course, all SkyMaster binoculars have dioptre compensation. Focusing is conveniently done by a center drive on the 70 or 80mm aperture binoculars, the 25x100 has single eyepiece focusing.
Videos
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 Celestron SkyMaster 25x100 Binocular Review
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 CELESTRON SKYMASTER 25x100 Binoculars for Sky-Watching
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 The moon using 25x100 Skymaster & Samsung Galaxy S10+
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Specifications
| Magnification |
25x |
| Objective Lens Diameter |
100mm (3.94") |
| Angular Field of View |
3° |
| Linear Field of View (@1000 yds) / @1000 m) |
156 ft (52 m) |
| Exit Pupil |
4mm (.15") |
| Eye Relief |
15mm (.59") |
| Close Focus |
80 ft (24.4 m) |
| Interpupillary Distance (max) |
72mm (2.83") |
| Interpupillary Distance (min) |
56mm (2.20") |
| Diopter Adjustment Range |
± 5 |
| Twilight Factor |
50 |
| Relative Brightness |
16 |
| Lens Coatings |
Multi-Coated |
| Prism Glass (Type) |
BaK-4 |
| Prism Coatings |
N/A |
| Weight |
140 oz (3969 g) |
| Environmental Protection |
Water Resistant |
| Nitrogen Filled |
No |
| Tripod Adaptable |
Yes |
| Carrying Case |
Nylon |
| Dimensions |
256mm x 130mm x 388mm (10.1" x5.1" x 15.28") |
Accessories included in the Box |
|---|
| Included Accessories |
Objective lens caps | Rainguard | Carrying case | Neck strap | Lens cloth | Instruction manual |
LIMITED LIFETIME WARRANTY
Limitations of Normal Wear and Tear
Product exteriors (rubber or other material) are fully covered for five years against defects in materials and workmanship but small scratches or blemishes are not covered.
Included accessories such as lens caps/covers, eyecups, cases/pouches, and straps are fully covered for two years against defects in materials and workmanship, but are not covered for accidental loss.
Over time, optical coatings may develop small blemishes through normal wear and tear or abuse under various environmental conditions. These are not covered and the determination is at the sole discretion of Celestron.
Other Limitations Not Covered
The basic optical system is covered for the useful life of the product for the original owner.
Collimation and optical alignment issues must be claimed within 30 days of purchase.
Loss of the product or of lens caps/covers, eyecups, cases/pouches, or straps are not covered.
