A monocular gives you magnified viewing through a single barrel, making it compact enough for travel, hiking, wildlife watching and events.
Compared with binoculars, a monocular is lighter and easier to pack, although viewing with both eyes can be more comfortable for longer periods. Browse the wider optics range if you are comparing options.
Make Sense of Monocular Specs
Numbers such as 8x42 tell you two key things. The first is magnification, so 8x makes a subject appear eight times closer. The second is the objective lens diameter in millimetres, with larger lenses usually gathering more light.
Other specs worth checking include:
- Field of view: How wide an area you can see. Higher magnification usually narrows the view.
- Exit pupil: Affects how much light reaches your eye, particularly in lower light.
- Eye relief: The distance between your eye and eyepiece while retaining the full view. Longer eye relief can suit glasses wearers.
- Close focus: How near a subject can be while remaining sharp.
Look Beyond Magnification
Magnification is only part of image quality. Lens coatings can improve light transmission and reduce reflections for a clearer, brighter view.
Prism design also affects size and optical performance. Monoculars may use different prism systems, so consider the complete optical design rather than magnification alone.
For outdoor use, check the weather protection. Nitrogen-purged or similarly sealed optics can help reduce internal fogging when conditions change.
Compare Night Vision and Thermal
Night vision monoculars use different technology from standard daytime optics. Digital night vision uses a sensor and electronic display to produce an image in low light, often with an infrared illuminator when available light is limited.
Traditional image intensifier systems amplify existing light. Thermal monoculars work differently by detecting heat, allowing warmer subjects to stand out against cooler surroundings.
Quoted detection ranges are a guide. Weather, available light, subject size and surrounding conditions can affect real-world performance.
Choose a Monocular for Where You Use It
Different activities call for different combinations of size, magnification and viewing performance.
Hiking and Travel
Compact, lightweight models are easier to carry all day. Weather resistance also helps when conditions change. Browse travel accessories for other useful gear.
Birdwatching and Wildlife
A wider field of view can make moving wildlife easier to follow. A shorter close focus distance is useful for nearby birds, insects and other subjects.
Sports and Events
Moderate magnification brings distant action closer while keeping subjects easier to track. A smaller body is also easier to carry around a venue.
Low Light Viewing
Look for good light transmission and a suitable objective lens. For viewing after dark, consider digital night vision or thermal models.
Shop Monoculars at digiDirect
digiDirect stocks monoculars ranging from compact pocket models to specialised night vision units from recognised brands. Shop Australian stock with applicable warranty coverage, digiDirect's Price Match Guarantee and Click & Collect options depending on availability.
You can also compare laser rangefinders or use compatible tripods & supports for steadier viewing.
FAQs
Is a monocular or a pair of binoculars better?
It depends on how you use them. A monocular is lighter and more compact, while binoculars let you view with both eyes and can be more comfortable for longer sessions. Monoculars are particularly handy when portability matters.
What do the two numbers in a monocular specification mean?
For an 8x42 monocular, 8x is the magnification and 42mm is the objective lens diameter. Higher magnification brings subjects closer, while a larger objective can gather more light. Both affect the viewing experience.
Can a monocular be used with a smartphone to take photos?
Some models can connect to a smartphone using a compatible adapter for basic digiscoping. The phone camera needs to line up correctly with the eyepiece. Check compatibility before choosing an adapter.
Do night vision monoculars work in complete darkness?
Digital night vision can work in very dark conditions with an infrared illuminator. Without infrared or another light source, performance depends on the technology. Thermal imaging detects heat and does not rely on visible light in the same way.
Are monoculars suitable for stargazing?
They can work for casual views of the Moon, bright stars and larger objects in the night sky. Higher magnification is harder to hold steady by hand. A compatible support can help with longer viewing.
