Rollei 35 ユーザーズマニュアル

Practical Hints

The thread of the lens 4 or the lens hood mount takes a screw-in filter:

30.5 x 0.5 for Sonnar lensed models (35S / 35SE)

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24.0 x 0.5 for Tessar lensed models (Original 35 / 35T)

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Filters mostly require an exposure correction. Its value is engraved on the filter mount. This indicates the
number of stops by which the aperture has to be opened (towards lower f/numbers) or the exposure time
increased .

For example if the measured aperture is f/11, and the filter correction value -1.5 ( i.e. 1 l/2 aperture stops),
use an aperture setting between f/8 and f/5.6

If you want to correct by increasing the exposure time, moving the shutter speed dial from one value to
the next corresponds to a full exposure step correction. Half steps can only be allowed for by intermediate
aperture settings.

Filters for black and white shots:

Medium yellow filter: (exposure correction -1.5). This makes the sky reproduce darker, clouds more
brilliant and improves modelling in snow shadows.

Orange filter: (exposure correction -1.5 to -3, according to the film type used). This darkens blue skies to
give heavy thunderstorm effects and lightens yellows and reds.

Filters for colour shots:

Filter UV and colour conversion filter R 1.5: (these require no exposure correction). They subdue blue
casts which can arise on cloudless days through the predominant blue skylight, especially in distant views.
With some reversal colour films a warmer overall rendering may be desirable. In that case the R 1.5 filter
may be used for all shots.