When using one of the external viewfinders mounted on the hot shoe, a flash unit cannot be triggered due to the missing sync socket.

Remedy: In specialist stores adapters featuring a sync socket are available (e.g. from Hama, art. no. 00006951, for approximately € 12.50), thus allowing flash units to be triggered. It is not plan...

Remedy: In specialist stores adapters featuring a sync socket are available (e.g. from Hama, art. no. 00006951, for approximately € 12.50), thus allowing flash units to be triggered. It is not planned to include the socket in the LEICA M8.

Some of the SUMMILUX-M 35mm/f1.4 models (built from1961-1995, non-aspherical, Made in Canada) cannot be mounted on the LEICA M8 or cannot be focused to infinity.

In certain cases, these lenses’ rear baffle may collide with internal camera parts. These lenses can be modified by Leica Camera AG’s Customer Service, allowing them to be used on the LEICA M8.

In certain cases, these lenses’ rear baffle may collide with internal camera parts. These lenses can be modified by Leica Camera AG’s Customer Service, allowing them to be used on the LEICA M8.

Rechargeable batteries of other makes are now being offered for the LEICA M8. Can I use them without hesitation in my camera?

Tests with these batteries have revealed that they sometimes have considerably less capacity than the original Leica battery 14 464 (e.g. 1400mAh instead of1900mAh as in the case of the original)....

Tests with these batteries have revealed that they sometimes have considerably less capacity than the original Leica battery 14 464 (e.g. 1400mAh instead of1900mAh as in the case of the original). The other make battery is not equipped with the charging circuitry dedicated to the camera electronics, therefore malfunctions may occur, such as a false indication of the remaining capacity,
or the camera may switch itself off suddenly and unexpectedly. Above all, the camera’s warranty expires if malfunctioning is caused by the use of none-dedicated accessories (see warranty conditions in the Warranty Card). The mandatory protective measures for Li-ion batteries may be different from the original and
therefore insufficient in the case of these other make products. As a result, Leica will not accept any liability concerning any damage caused by using these batteries, including damage occurring during charging and transportation.

Why should I use a UV/IR filter with my LEICA M8?

The M8’s very high image quality was achieved by – among other things - employing an especially thin IR blocking filter on the CCD sensor. However, this also causes a raised sensitivity to longwave...

The M8’s very high image quality was achieved by – among other things - employing an especially thin IR blocking filter on the CCD sensor. However, this also causes a raised sensitivity to longwaved IR light. In most cases, this will not have any effect whatsoever on the resulting images. In certain situations however, e.g. when black (synthetic) fabrics are illuminated by incandescent light, these are rendered purple or dark red. Using Leica UV/IR filters on the lenses is a very simple and effective way to eliminate these effects without otherwise impairing image quality with the LEICA M8. Additionally, they protect your valuable lenses’ front elements against mechanical damage.

Will using these filters lead to a light loss (Which extension factor must I consider with theses UV/IR filters)?

The LEICA UV/IR filters limit only the infrared and ultraviolet light from passing through. The extension factor is 1.0, so you do not have to calculate any exposure compensation.

The LEICA UV/IR filters limit only the infrared and ultraviolet light from passing through. The extension factor is 1.0, so you do not have to calculate any exposure compensation.

Do my lenses have to be 6 bit coded when using UV/IR filters?

Using the Leica UV/IR interference filters on wide-angle lenses from 16 to 35mm causes annoying colour casts in the frame corners. Therefore, Leica recommends using coded lenses in this focal lengt...

Using the Leica UV/IR interference filters on wide-angle lenses from 16 to 35mm causes annoying colour casts in the frame corners. Therefore, Leica recommends using coded lenses in this focal length range. The LEICA M8 recognizes 6 bit coded lenses and compensates the specific colour cast for each lens by digitally modifying the image data accordingly. With lenses beyond 35mm, the colour cast is negligible. The colour cast compensation for every 6 bit coded lens used with an UV/IR-filter is included in every firmware as of version 1.10.

Can I leave the UV/IR filters attached when photographing with analogue M cameras?

Leaving the UV/IR filters attached when photographing with conventional film would cause colour casts in the frame corners. Therefore, Leica recommends removing the attached UV/IR filters when usin...

Leaving the UV/IR filters attached when photographing with conventional film would cause colour casts in the frame corners. Therefore, Leica recommends removing the attached UV/IR filters when using lenses from 16 to 50mm in analogue photography.

Why could the filter not be built into the camera?

In the LEICA M8, a very thin glass cover consisting of an IR blocking filter and a protective plate is mounted on the sensor. Keeping this cover as thin as possible ensures that the lenses’ full c...

In the LEICA M8, a very thin glass cover consisting of an IR blocking filter and a protective plate is
mounted on the sensor. Keeping this cover as thin as possible ensures that the lenses’ full capacity
in terms of rendition quality can be utilised. This is a result of the Leica M system’s especially
compact dimensions which lead to light rays at the frame edges reaching the sensor at
comparatively oblique angles.
On the other hand, a thin filter also results in a reduced filter effectiveness which is why the LEICA M8 displays an above-average sensitivity to IR light. Increasing the filter thickness would have led to a deterioration of the image quality, especially in the frame corners. The solution of utilizing UV/IR filters that are attached on the lenses does not reduce image quality since the filter is located outside of the optical system.

Is the filter solution going to be permanent? Will the sensor / the camera be modified in the future?

Considering the LEICA M8’s compact dimensions, the solution of employing a thin absorption filter in front of the sensor and an additional filter on the lens presently represents the best possible...

Considering the LEICA M8’s compact dimensions, the solution of employing a thin absorption filter in front of the sensor and an additional filter on the lens presently represents the best possible one from a technical point of view allowing full utilisation of the M lenses’ imaging power. As soon as alternative technologies come to market that will ensure this imaging power, Leica will make these available for our customers. Today, statements as to when and in which camera model they could be introduced cannot be made.

Can a colour profile in a raw data converter be utilised to eliminate the IR effect?

Professional ICC profiles allow substituting individual colours, e.g. black for purple. Theoretically, this may seem to be a solution but in everyday practise, certain colours which occur in nature...

Professional ICC profiles allow substituting individual colours, e.g. black for purple. Theoretically, this may seem to be a solution but in everyday practise, certain colours which occur in nature, such as that of an aubergine or certain complexions, would also be influenced by such a profile. Additionally, according to tests evaluated by Leica, this would only shift the effect not eliminate it.

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