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#Fokus test chart how to#
#Fokus test chart download#
#Fokus test chart free#

Then allow the camera to focus on the card using autofocus.

Now, manually focus the lens to infinity.

Open the aperture on your lens up to its widest.

For a 50mm lens, your camera should be 2500mm (2.5 metres) from the card.

Now, place your camera the correct distance from the test card, 50 times the focal distance of the lens.

You should avoid backlighting the card, as this may affect the camera’s ability to focus.

Place the card in a well-lit area, somewhere your camera will find it easy to focus on the card.

Now that you have your equipment ready, you’ll need to set things up and carry out your test photos. The test card is set up with the slide ruler to the right used to see if the focus is forward on back. The advantage of this particular test card is it allows you to see if it’s back or forward focusing and by how much. Once you have this assemble it using the instructions, some glue, scissors and a piece of card.

#Fokus test chart download#

Focus test card – You’ll need to download and print the following test card.

With this method, you can make sure it’s the lens that’s the problem and not the camera.

Lens – If you feel the lens is not giving you sharp focus, test several other lenses that you know focus well.

The focus problem is likely with your lens, but it’s also possible it could be in the camera body.

Camera body – Of course you’ll need your camera body.

You need your camera to stay in the correct place in relation to the focus test card.

Tripod – Keeping your camera in position is essential for this test.

The following items will be needed to carry out this autofocus test. This test is somewhat like a science experiment, so let’s look at the apparatus, method and results. This will take several steps, and first you’ll need to prepare some equipment.

#Fokus test chart how to#

How to Test Your Camera for Autofocus Issues

This needs to be sharp on the eyes, if not, then fine-tuning will be needed. The camera focus is now aimed at the eyes. This could lead to the camera missing the focus. Light – In some situations like low light, the camera may find it hard to get sharp autofocus.Use the camera’s selective focus to ensure the camera focuses where you want it to. Focal position – Make sure that you are telling your camera to focus on the correct place.This isn’t a focus issue but will cause a loss of sharpness. Shutter speed – If your shutter speed is too slow, you’ll have a blurry photo.They’re apparent reasons, but worth a reminder before doing an autofocus test. It’s always worth checking autofocus, but there are a couple of different reasons your photos aren’t sharp. Other Problems That Could Affect Sharpness This water could then harm components in your lens or camera body that cause loss of autofocus. Taking a photo of the sea where there is spray from the waves, or out on a rainy day are ways water could get into your camera. Water – There are times when you need to take your camera to places that put it at risk to get compelling photos.Any shock damage can result in loss of sharp autofocus. Even if you didn’t drop the lens, the damage could happen while it’s in a bag, if not handled with care. As a photographer, there is no bigger clanger. Shock – Accidents happen, and sometimes a lens gets dropped.This could lead to a loss of sharp autofocus. After some time, things will wear out or lose position. Mileage – Cameras have moving parts, and the more you use them, the older they get.

Take a look at the following, as these are all potential reasons for an autofocus issue. Look after your equipment, and keep it clean to reduce the chance of problems. If you service it well and keep it out of the elements in the garage it will last longer.Ĭamera lenses follow the same logic. These factors all come down to how well you look after your equipment. Some factors can lead to a loss of sharpness in your photos. Use a flash if you do not have access to a tripod.What Can Cause Your Camera to Lose Sharpness?.Use a tripod if your hand is not steady enough.Do not shoot at shutter speed below 1/60s (depending on the lens you are using).

Just place the ShaShinKi Focus Test Chart on a flat table, get your camera and lens and point to the ShaShinKi Line at the middle of the chart at around 45 degrees, make the sure ShaShinKi Line is in the middle of your viewfinder, take a shot. The ShaShinKi Line will be in focus and sharp. 🙂įor a good / correct focus lens and camera, this is what you will get:

#Fokus test chart free#

Those who order items online at will get the test chart FREE OF CHARGE as well, while stock last only. I will be distributing the focus test chart to visitors that come to ShaShinKi booth at KLPF 2008 (Booth B05). A dedicated focus test chart – ShaShinKi Focus Test Chart – uses to check the focus accuracy of your lens and camera.