Canon EF 100-300mm f5.6 Zoom lens


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Condition: Excellent

Canon EF 100-300mm f5.6 Zoom lens

Excellent cosmetic condition, clean optics, fully working

Supplied in soft lens pouch

General Canon EF 100-300mm f5.6 Information

Everything has to start somewhere, and this lens is where the Canon L Series started. Released in June 1987, this is the very first L Series lens, aimed at being the pinnacle of performance within the Canon system. 

Weighing in at 695g, the lens is not over heavy and balances well. The sleek black looks good and the plastics involved are of high quality. Construction is of a very good standard. A lens hood was supplied when new,there is a standard 58mm filter thread.

The first operational quirk is immediately apparent in that the lens front rotates whilst focusing. This makes life difficult for users of polarising or graduated filters, although to be fair they are less likely to be used with a telephoto zoom such as this anyway.

The distance scale is beneath a clear plastic window, marked in both metres and feet. In common with some other Canon lenses even today, the metres scale is easily seen in white markings but the feet scale is relegated to a dull green that is much harder to view. There are two Infra Red correction marks on the barrel, for 100mm and 135mm focal lengths. In a way this is a little odd in that Canon have sometimes not been particularly IR-friendly, even using IR light as a film transport counter at one point. This obviously precluded the use of IR film in such cameras. However, it may now be more useful again.

Behind this is the narrow plastic manual focusing ring, which only operates when the lens is set to MF. It has a very gritty feel to it, but nonetheless it works just fine. Closest focus is 1.5m, or 4.92 feet. This is reasonably close, especially at 300mm, but hardly justifying the description macro. 

Focusing is set by a sliding switch, and has three options, full AF, a limiter to 2m-infinity or manual focus. Another oddity is that the whole zooming action is controlled via the entire lens barrel moving in a trombone action. There is nothing wrong with this per se, but anyone used to a trombone action manual focus lens will be expecting it to turn as well, to focus.

Of course, as befits its era, there is no weather sealing, nor is there any Image Stabilisation, but we do have a fairly compact, light and very useful range in this lens. Modern zooms going to 300mm often start at 70mm or even 55mm, but for most subject matter this isn't much of a problem. The lens is actually really pleasant to use. Focusing is a bit jittery and not as fast or slick as more modern optics, but it still locks on reliably, every time.

Optical configuration is 15 elements in 10 groups, with an 8 bladed diaphragm. There is one synthetic fluorite glass element, plus one Ultra Low Dispersion. In its day, this would be cutting edge technology.

Using older lenses on newer cameras can throw up glitches, but this one reports its EXIF correctly and behaves like any modern Canon lens. Some third party lenses of the same era may need re-chipping to achieve this compatibility, if that of course is possible.

Camera House Price: £55.00




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Looking after your camera

Use a Camera Bag

A camera bag does more than just protect the camera against scratches and dust: It keeps it safe from rain because many are waterproof on the outside.

Be Very Careful Around the LCD Screen and Camera Lens

Use only special equipment to clean your camera’s LCD screen and camera lens. Buy a special cleaning kit that includes liquid solutions, microfiber cloths and brushes that have been specially designed to clean your camera lens.

Never Leave Your Batteries in Your Camera for Too Long
Many camera batteries are now alkaline or lithium formats. If you keep your camera with the batteries inside of it in a moist area, then the batteries can get corrosive. So if you’re thinking about just putting your camera on the shelf for several months, do yourself a favor and remove them.

Turn Your Camera Off Prior to Doing Anything

Before you do anything to your camera, always keep in mind that it should be turned off first. No matter what it is—swapping lenses, changing memory cards or disconnecting or attaching cables—your camera should be turned off.

Cold and Wet Weather Can Wreak Havoc on Your Camera Body
Take your camera out only in a waterproof bag. If the weather’s unusually cold, just wrap your camera in a plastic bag that has silica desiccant packets for the reduction of moisture. It’s also a smart idea to have a soft towel with you to wipe off any moisture, just in case it should get on your camera.

Good Memory Card Care Is Good Camera Care

Only transport your memory cards inside of a protective caseMake sure the memory cards stay dust-free at all times. When removing memory cards, make sure you do so indoors or in non-dusty situations.
Make sure that you keep memory cards only in cool places. Never keep them in places where they may heat up, like dashboards or glove compartments.
Never place your memory cards close to magnetic sources. Examples of magnetic sources are things such as audio speakers, TV monitors and actual magnets.

Use a Filter to Protect Your Camera Lens

The lens of your camera is naturally fragile. As such, it’s susceptible to scratches, cracks, dents…you name it. A UV filter will not only will you give your lens a fighting chance, but you’ll also enhance the quality of your pictures.

Condensation Can Be Controlled

Condensation normally happens when you move your camera between different temperatures.
Allow your camera a chance to naturally get used to the hotter environment. Don’t place it inside a closed plastic bag when transporting it between different temperatures! Just let the camera sit in the humid temperature for a while, until condensation disappears.
If this still doesn’t get rid of all of it, you can utilize a soft cloth to wipe away any remaining moisture and marks left behind from the condensation.