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The Swarovski CL Curio 7x21 is the smallest binocular in the range, folding down to pocket size at 250 g. The 7x magnification gives a 3 mm exit pupil and a steadier hand-held image than most compacts manage.
Key Features:
7x magnification with a 3 mm exit pupil, brighter and steadier than a typical 10x25 compact
250 g in weight and 92 mm long, folding flat enough for a smock or jacket pocket
135 m field of view at 1,000 m, unusually wide for a 21 mm objective
90% light transmission holds detail into the last of the evening light
16 mm eye relief with twist-up eyecups for use with glasses
Close focus to 2.5 m for hedgerow and feeder watching as well as distance work
Waterproof to 4 m submersion and rated from -25 to +55 degrees C
Compact binoculars usually make you give something up, whether that is brightness, field of view or the sense that you are looking through proper glass. This pair gets round the problem by settling on 7x magnification rather than the usual 8x or 10x. That keeps the exit pupil at a full 3 mm, noticeably more than the 2.5 mm a typical 10x25 pocket binocular manages, so the image stays usable well into the last half hour of light. Lower magnification also means less shake, which is why the CL Curio holds steady one-handed in a way that most compacts do not.
At 250 g and 92 mm long, folding to 44 mm across the bridge, it lives in a pocket rather than hanging round your neck. Field of view is 135 m at 1,000 m, wide enough to pick up movement across a hillside before you commit to a longer look, and light transmission sits at 90%. Sixteen millimetres of eye relief with twist-up eyecups suits glasses wearers, and close focus at 2.5 m makes it genuinely useful on hedgerows and feeders rather than only at range.
Build quality is what you would expect from Swarovski, sealed and waterproof to 4 m and rated from -25 to +55 degrees C, with Marc Newson's fold-flat hinge doing the work of making it disappear. Anthracite is the quieter of the two finishes offered.
This is not a replacement for an 8x42 on a dedicated stalking rig. It is the pair you actually carry when the alternative is carrying nothing at all, which for roving days and long walks in is most of the time.
| Magnification | 7x |
| Objective Diameter | 21 mm |
| Exit Pupil | 3 mm |
| Twilight Factor | 12.1 |
| Light Transmission | 90 % |
| Field of View | 135 m at 1,000 m |
| Field of View at 1000m | 135 m |
| Apparent Field of View | 51 ° |
| Eye Relief | 16 mm |
| Close Focus | 2.5 m |
| Dioptre Adjustment | ±4 dpt |
| Focus Type | Centre focus |
| Interpupillary Distance | 56 - 74 mm |
| Prism Type | Schmidt-Pechan roof |
| Eyecups | Twist-up |
| Length | 92 mm |
| Width | 95 mm |
| Weight | 250 g |
| Colour | Anthracite |
| Waterproof | Yes |
| Fog Proof | Yes |
| Submersion Rating | 4 m |
Dropping to 7x magnification with a 21 mm objective gives a 3 mm exit pupil, where a typical 10x25 compact manages only 2.5 mm. That means a brighter image in poor light despite the smaller lens. Lower magnification also reduces the effect of hand shake, so the view stays steadier when you are glassing one-handed.
The Curio is substantially smaller and lighter at 250 g, and folds down flatter, so it carries in a pocket where the Pocket 8x25 really wants a case or a strap. The 8x25 gives more magnification and a larger objective for better performance in deep twilight. Choose the Curio when carrying weight is the deciding factor.
Yes. Eye relief is 16 mm with twist-up eyecups, which is enough for most spectacle wearers to see the full 7.7 degree field with the cups wound down. Interpupillary adjustment runs from 56 to 74 mm via the twin folding bridges.
Yes. The CL Curio is sealed and gas filled, rated waterproof to 4 m submersion, and functions between -25 and +55 degrees C. That covers anything a British winter can reasonably produce. The gas filling also prevents internal fogging when you move between cold air and a warm vehicle.
Close focus is 2.5 m. That is fine for hedgerows, feeders and butterflies, and reviewers report the images merge cleanly at that distance rather than straining. It is not close enough for very short-range insect work, where a dedicated close-focus binocular would serve better.
At Shooting Supplies, we keep our delivery pricing straightforward. We use a flat-rate shipping model, meaning you pay the same consistent price regardless of the size of your order.
| Destination | Delivery Rate |
|---|---|
| Standard UK (Mainland) | £6.95 |
| Northern Ireland | £10.00 |
We want you to be satisfied with your purchase. If you change your mind, you have 14 days from your cancellation notice to return the goods to us.
Return Conditions
To be eligible for a refund, items must be:
Note: These conditions do not apply to faulty goods. For non-faulty returns, the cost of shipping and recovery remains the responsibility of the customer.
How to Return
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Shooting Supplies LtdFor any questions regarding your delivery or a potential return, please contact our team at 01527 831 261.
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You can spread the cost of most products on orders over £250 with our flexible finance options. Finance is offered by BuyLine Ltd.
Use the finance calculator on this page to explore deposit and repayment options and see estimated monthly payments before you apply.
| APR (Fixed) | 21.9% |
| Minimum Order | £250 |
| Deposit | 10%–50% |
| Repayment Terms | 24–48 months |
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Values provided by the finance calculator are indicative only and do not constitute an offer of finance. Final repayments may vary slightly.
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