Binoculars & Monoculars
Binoculars and Monoculars
With so many binoculars to choose from, it can get overwhelming. At Sirius Optics, we are here to help you choose the right one for your needs. So how should you choose binoculars or monoculars? It really comes down to budget, personal preference, and your needs. We are here to help. Come visit our showroom, talk to our staff, and try out a few pairs, or just give us a call. We also have a 30-day return policy (for store credit) for binoculars if you find that the pair you’ve bought it doesn’t suit you.
The Basics
What do the numbers such as 8x42, 10x42, 10x50, 10-30x50 etc. on binoculars mean? The first number before “x” indicates magnification or range of magnification. The second number tells you the size of the objective lens in front in millimetres. 8x42 binos therefore has a magnification of 8 times, and an objective lens 42mm in diameter. Generally, the bigger the objective lens, the brighter the view will be, but the binos will also be bigger and heavier.
Other Features & What to Consider
As for other features, most binos today are waterproof and fog-proof, making it suitable for wet and humid conditions. The size and weight of the binoculars is also an important factor for many people. Those that are larger (50mm and above) often tend to get too heavy to comfortably hold for long periods of time. There are binoculars for specific purposes too. For example, some marine binoculars can float and have built-in compasses.
MonocularS
Some people call monoculars "mini telescopes", and sometimes we call them “half a binocular”, but there is nothing half as bad about them. They are super compact, easy, and fun to use. Some monoculars have special features such as night vision or even automatic bird/wildlife identification.
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AUD $3,089.00In Stock
When speed is paramount, there’s no substitute for a range-finding binocular. The BX-4 Range HD TBR®/W 10x42mm fuses our DNA® engine and ballistics software with the optical performance diehard hunters and shooters demand.
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AUD $1,249.00In Stock
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AUD $119.99In Stock
- Multi-Coated Optics
- Waterproof and Fogproof
- Protective Rubber Covering
- Twist-up Eyecups for Quick Adjustment
- Moisture Resistant Neoprene Carrying Case
- Limited Lifetime Warranty
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AUD $799.99In Stock
- Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration with lifelike color, increased resolution, and improved contrast
- Large, 80mm objective lenses offer excellent light-gathering ability—perfect for astronomy
- Threaded eyepieces accept all standard 1.25” astronomical eyepiece filters to bring out details or reduce the effects of light pollution
- BaK-4 prisms and fully multi-coated optics with XLT coatings boost light transmission through the optical path for brighter, more detailed images
- The widely spaced objective lenses of the Porro prism optical design provide an enhanced 3-D view
- Eyeglass-friendly with generous eye relief and padded twist-up eyecups
- Durable rubber-armored housing with improved ergonomics for comfortable use in the field
- Tripod-adaptable for extended viewing sessions
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AUD $374.99In Stock
- Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration with lifelike color, increased resolution, and improved contrast
- Large, 50mm objective lenses offer excellent light-gathering ability—perfect for astronomy
- Threaded eyepieces accept all standard 1.25” astronomical eyepiece filters to bring out details or reduce the effects of light pollution
- BaK-4 prisms and fully multi-coated optics with XLT coatings boost light transmission through the optical path for brighter, more detailed images
- The widely spaced objective lenses of the Porro prism optical design provide an enhanced 3-D view
- Eyeglass-friendly with generous eye relief and padded twist-up eyecups
- Durable rubber-armored housing with improved ergonomics for comfortable use in the field
- Tripod-adaptable for extended viewing sessions
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AUD $649.99In Stock
- ED objective lenses provide superior images virtually free of chromatic aberration with accurate color reproduction, increased resolution and contrast
- Fully multi-coated optics for maximum light transmission through the optical path
- Phase and dielectric coated BaK-4 prisms for vivid, true-to-life colors
- Wide field of view and 8.2' close focus
- Tripod adaptable
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AUD $624.99In Stock
- Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration with lifelike color, increased resolution, and improved contrast
- Large, 70mm objective lenses offer excellent light-gathering ability—perfect for astronomy
- Threaded eyepieces accept all standard 1.25” astronomical eyepiece filters to bring out details or reduce the effects of light pollution
- BaK-4 prisms and fully multi-coated optics with XLT coatings boost light transmission through the optical path for brighter, more detailed images
- The widely spaced objective lenses of the Porro prism optical design provide an enhanced 3-D view
- Eyeglass-friendly with generous eye relief and padded twist-up eyecups
- Durable rubber-armored housing with improved ergonomics for comfortable use in the field
- Tripod-adaptable for extended viewing sessions
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AUD $1,120.00In Stock
Swarovski Optik's most compact and affordable binoculars yet. Learn More -
AUD $99.00In Stock
SAXON 8-24X40 SCOUTER MONOCULAR
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Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
Run by astronomers and nature lovers, not sales people
Expert advice and lessons
Secure checkout with multiple payment options
30 day returns (T&Cs apply)
