Colt 3547
$ 208 Original price was: $ 208.$ 158Current price is: $ 158.
A men’s rectangular frame in black or grey.
- Size: 55-17-145 mm, lens depth 39 mm
- Frame: Full Rim, Plastic
- Colours: Black, Grey
- Case & microfibre cloth included
- Lenses made in our UK labs
- Delivered across Australia
- Free 30-day returns
About the Colt 3547
Colt 3547 Prescription Glasses
Rectangular glasses add a little structure to the face without any fuss. The Colt 3547 is a men’s full-rim plastic rectangular frame, sized 55-17-145, in Black or Grey. You can order it with single vision, progressive or bifocal lenses made to your prescription. It is part of our Colt range.
Black or Grey?
Black. Black is a deep, solid black. Black suits every hair colour and frames the face with confidence.
Grey. Grey is a soft, neutral grey. It is a great match for cooler skin tones and a crisp, tidy look.
Still torn? Think about what you wear on an ordinary weekday, not on a night out. That is the colour you will be happiest with.
Shape and style
Rectangular lenses suit round and oval faces, adding a bit of definition. The plastic frame is light on the nose and comfortable for all-day wear.
It is the kind of frame that works with most outfits, which makes the Colt 3547 an easy pick for everyday wear.
How to wear it
Choose the darker colour for the office and the lighter one for a more relaxed look. Either way, it is an easy frame to wear every day.
How it fits
| Brand | Colt |
|---|---|
| Frame | Full Rim, Plastic |
| Colours | Black, Grey |
| Frame size | 55-17-145 mm (lens width, bridge, arm length) |
| Lens depth | 39 mm |
| Designed for | Men |
With 55mm lenses, this is a larger frame that suits wider faces. The 17mm bridge is average. The 145mm arms are on the longer side, which suits larger heads. Across the lenses and bridge it measures about 127mm.
Not sure about sizing? Compare these numbers with the ones on the inside arm of a pair that fits you well. A difference of two or three millimetres or less usually means a similar fit.
Lens options for the Colt 3547
Your optometrist’s prescription will usually tell you which of these you need:
- Single vision: one prescription for distance, reading or the computer.
- Progressive: near, middle and far in one lens with no line. (In the UK they call them varifocals.)
- Bifocal: a defined reading area at the bottom of the lens.
- Ready readers: simple magnification for close work.
The 39mm lens depth gives progressive lenses plenty of room. Stronger prescription? A high-index lens keeps things thin and light. An anti-reflective, scratch-resistant coating is worth adding too, especially if you drive at night.
Ordering online is easier than you think
All you need is a current prescription from your optometrist and your pupillary distance (PD), the distance between your pupils. Your PD is often written on your prescription; if it is not, ask your optometrist for it. Pick your colour, choose your lens type, enter your details and add any lens upgrades. If you are not sure about sizing, compare the measurements above with a pair you already own. It only takes a minute and saves any guesswork.
Made for you in our UK lab
Choose your colour and lenses, enter your prescription and PD, and our optical lab in the UK makes your lenses and fits them into your Colt 3547 before sending them to you in Australia.
Keep them looking new
Wipe your lenses with a microfibre cloth rather than the hem of your shirt, keep them in a case when they are in your bag, and never leave them on the dashboard on a hot day. Our lens care guide has a few more habits worth picking up.
Your questions, answered
Can I get progressive lenses in the Colt 3547?
Yes. The 39mm lens depth gives progressive lenses enough height for all three vision zones.
Can I wear the Colt 3547 for driving?
Yes. Single vision or progressive lenses work well for driving, and an anti-reflective coating helps cut glare from headlights at night.
Is it a large frame?
Yes. With 55mm lenses it suits wider faces.
Where are my lenses made?
In our UK optical lab. They are cut to your prescription, fitted into your frame and then sent to you in Australia.
Still deciding on the Colt 3547? Browse more men’s glasses and prescription glasses.
Lens prices
Lens types
| Lenses | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.5 Index (standard) | FREE | $40 | $69 |
| Transitions | $50 | $90 | $119 |
| Sunglasses tint | $10 | $50 | $75 |
| Blue light filter | $30 | $70 | $99 |
Basic 1.5 Single Vision lenses with anti-reflection coating are included in the frame price.
Thinner lens upgrades
| Lens index | Single Vision | Bifocal | Varifocal |
|---|---|---|---|
| 1.6 + HMC | $30 | $70 | $95 |
| 1.67 + HMC | $50 | $90 | $119 |
| 1.74 + HMC | $70 | – | $135 |
Higher index lenses are thinner and lighter, and are worth it for stronger prescriptions. All include an HMC coating.
Frame details & size guide
Specifications
| Color | Black, Grey |
|---|---|
| Eye Size | 55 |
| Brand | Colt |
| Lens Depth | 39 |
| Temple Length | 145 |
| Bridge Size | 17 |
| Type | Optical |
| Material | Plastic |
| Wearer | Men |
| Rim | Full Rim |
How to read frame sizes
The three numbers (for example 48-20-140) are the lens width, the bridge and the arm length in millimetres. Compare them with a pair you already own.

Delivery, returns & what is included
Delivery
- Single Vision: 5-7 working days
- Bifocal: 7-10 working days
- Varifocal: 7-10 working days
- Dispatched within 48 hours by tracked Royal Mail service
Delivery to Australia: the cost and your estimate are shown at checkout before you pay.
Returns & exchanges
Free 30-day returns or exchanges. If your glasses are not right for you, we will make it right.
What is included
- Anti-reflection lenses included
- Case and microfibre cloth
- Lenses made in our UK optical lab
- All frames CE marked
- Worldwide delivery
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