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Digital backs with electronic shutter (currently Rolling Shutter for Phase One IQ 3/4, Hasselblad X1D and partly H6D) are becoming increasingly available. The new Rodenstock aperture unit - with its almost round, 9-piece aperture pattern - optimally supports this shutter type. Besides, lens versions in short barrel can also be used on the ALPA 12 FPS with its built-in focal-plane shutter (SB34, SB51, FPS SB17).We are pleased to inform you about the upcoming full availability of the ALPA HR Alpagon/Alpar lenses in the new Rodenstock aperture unit.ALPA HR LENS RANGE IN APERTURE MOUNT[/en/article/hr-alpagon-5-623-mm-lb-au|ALPA HR Alpagon 5.6/23 mm][/en/article/hr-alpagon-4-032-mm-sb17-au|ALPA HR Alpagon 4.0/32 mm][/en/article/hr-alpar-4-035-mm-lb-au|ALPA HR Alpar 4.0/35 mm (built to order)][/en/article/hr-alpagon-4-040-mm-sb17-au|ALPA HR Alpagon 4.0/40 mm][/en/article/hr-alpagon-4-050-mm-sb34-au|ALPA HR Alpagon 4.0/50 mm][/en/article/hr-alpagon-5-670-mm-sb17-au|ALPA HR Alpagon 5.6/70 mm][/en/article/hr-alpagon-5-690-mm-sb34-au|ALPA HR Alpagon 5.6/90 mm][/en/article/hr-alpagon-6-3138-mm-sb51-au|ALPA HR Alpagon 6.3/138 mm (availability see blow)][/en/article/hr-alpar-5-6180-mm-sb34-au|ALPA HR Alpar 5.6/180 mm]Other mounts (Long Barrel, SB17 FPS) on request.PRICINGSee, corresponding product page (links above). You can download a complete XLS list from your landing page, once logged in.CONVERSIONExisting lenses can be converted into the new Rodenstock Aperture Unit. For more details see the respective [/en/article/conversion-to-rodenstock-aperture-unit|Product Page].AVAILABILITYAfter delivering the first batch in May, we accept pre-orders and expect delivery in late June/begin of July.AVAILABILITY PLANNED FOR FALL 2019We expect the ALPA HR Alpagon 6.3/138 mm to be available in fall 2019. The lens will be delivered with a dedicated SB 51 multi-purpose tube and lens shade. Due to the high demand, we already accept pre-orders.MORE INFORMATIONALPA Log: Photographic Shutters (EN)