ALPA OF SWITZERLAND - Hersteller herausragender Kameras

How do I synchronize my Leaf back with the ALPA?


This is very simple: Just select the 'large format mode' on your Leaf back and connect the flash sync socket of the Copal shutter with the digital back. As the back uses an 'always on' technology you can take pictures right away once your back is switched-on and ready.

The great thing with the Leaf backs is that they work with every standard flash sync cord. There is a helix cable coming with your Leaf but personally we find it too long and massive for the ALPA and short lenses. What we use for lenses like the Apo-Digitar 24/35/47XL, 60N, 80L, 90N is the Metz standard synchronous cable 36-50 (see their Website) which comes also with some Metz flashes. It is only 25 cm/1foot and you can easily connect the back with the sync shoe of the Copal shutters. It is way less massive then the helix cable which we use for the longer lenses like the 120 N/M etc. only.

And one advice more for digital photography: Just have a backup of everything! Have spare batteries and also more than one sync cable with you all the time. Those little things are either exhausted too early or can also get lost. And we bet you have right then no nuclear power station in your pocket when you need the power for an extra shot or your tongue is not long enough to short-out the sync signal when the cable breaks or gets lost :-)

Photographic Know How

Why do ALPA cameras not need a manual?

ALPA cameras are designed to be as simple as possible.

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Digital Sample Pictures (Hasselblad)

Picture taken with the Hasselblad CF-39 back and an ALPA 12 SWA with Rodenstock Apo-Sironar digital HR 4.0/60 mm

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Interface description Schneider electronic shutters

Schneider discloses the interface description of its electronical shutter system.

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How can I use my Sinar / eyelike digital back with the ALPA

All Sinarbacks from Sinar and the backs from eyelike Jenoptics that are capable to synchronize via Flash Sync can get used with the ALPA.

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How can I use my Phase One digital back with the ALPA?

The ALPA is working with all actual digital backs.

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How do I synchronize my Leaf back with the ALPA?

This is very simple: Just select the 'large format mode' on your Leaf back and connect the flash sync socket of the Copal shutter with the digital back.

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How is exposure determined?

With a digital back this can be done simply and without problems: precise data is generated by the back itself in the form of a histo-gram.

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How do you determine exposure?

You can use a separate hand-held meter or you can simply guess.

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How can I compare the focal lengthes between different analog and digital formats?

Please use our "Comparable Focal Length Calculator" based on Excel.

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Color Shift / Color Cast / Lens Cast

The phenomenon of color shift (areas of red or green color cast) can occur when using wide angle lenses together with digital backs.

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Can I use my Phase One P30(+) Back with the ALPA?

The target group for this back type are fashion photographers.

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Can I use my Hasselblad/Imacon digital back with the ALPA?

Yes, the backs from Hasselblad - and the former Imacon - work if they are not of the closed H1D and H2D type.

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Can I fine tune the adjustable adpaters for digital use?

Yes, the adjustable adapters can get shimmed in steps of 1/100 mm.

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Can a digital or film back on an ALPA camera be positioned vertically as well as horizontally?

Yes, they can.

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ALPA cameras are made for what kind of photographer and for what use?

ALPA cameras are used worldwide and in many kinds of fields, from fine art, architecture, landscape, travel, news, fashion, archiving to photogrammetry.

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12 Golden Digital Rules

Switching to a digital workflow is sometimes a complex process. Here our (so far) 12 golden rules to the digital path - or what is worth considering.

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Rollei LensControl S

The Rollei LensControl S is needed for all Rollei Electronic Shutters. We have uploaded the English version.

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Diffraction

Diffraction is a physical effect in general. In photography it is an optical effect that can limit the total resolution.

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Distortion

What is distortion and how can it get corrected?

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Why the need for mechanical precision and robustness?

Ever more frequently digital backs use ever-smaller pixels (at present more than 60 MP at 6 µm size).

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Adjustable adapters for digital backs

Adjustable back adapters (max. 3/10 mm, adjustable in single steps right down to 1/100 mm) with reuseable shims of various thickness are exclusive to ALPA.

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Why are all ALPA cameras equipped for digital as well as for rollfilm backs?

Not everyone wants to photograph digitally, and not everyone wants to do so exclusively.

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Without a rangefinder or reflex viewing, how do you focus?

Answer: By Guestimation and laser meters

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What matters above all when digital backs are used?

Photographers who aim for high-end picture quality cannot simply “hang” a digital back onto the familiar old film camera.

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Stitching

Stitching is a term mainly used in digital photography for assembling several partial pictures to one image.

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What are color fringe, color cast and center fold and what can be done about them?

These are three unwelcome but usually removable side effects when photographing with digital backs.

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What are the exclusive "Short Barrel" lenses and what are they used for?

ALPA supplies all lenses made by Schneider-Kreuznach from 80 mm to 250 mm focal length besides the standard version also in a special "Short Barrel" version that is 34 mm shorter than the standard version.

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Movements: Shift - Tilt - Swing

Shift, swing and tilt are purposeful displacements of the picture axis against the lens’ axis.

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Mounting the ALPA Shutter Blade Interlock

All actual ALPA lenses in Copal 0 (except Apo-Digitar 5.6/24 mm XL) feature the interlock as standard equipment.

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