LENS-DB.COM

Manufacturer description #1

Bellows attachments with built-in mechanism for releasing the automatic diaphragm. Focusing tripod rack. - Permits focusing on bright ground glass at full lens aperture. The lens diaphragm stops down automatically to the preselected f-stop upon'pressure on the camera releasing button. No double cable release required. Camera lenses are used in macro and close-up photography. For continuous focusing from closecup to infinity lens heads are in course of preparation. The diaphragm re-opens automatically with models BALNIK-A and BALCAN-A.

• BALCO-A - Edixa(-mat), Praktica(-mat), Pentacon, Pentax, Mamiya Sekor, Regula Reflex, Ricoh Singlex, Yashica Reflex available June 1969
• BALNIK-A - Nikon F, Nikkorex, Nikkormat available June 1969
• BALCAN-A - Canon FX, Pellix, FT available June 1969
• BALTOP-A - Topcon SR, RE available June 1969
• BALSON-A - Bellows Lens Hood for Automatic Bellows
• M 52 x 0.75 - adapting BALSON-A to 105 mm Auto-Bellows-Noflexar lenses

Manufacturer description #2

Bellows with Automatic Diaphragm Releasing and Built-in Tripod Rack. No double cable release required. Permits focusing on bright ground glass at full aperture.

• BALCO-A - for Pentax and other cameras with M 42 x 1 threads

additional:

Automatic reopening of the diaphragm after exposure:

• BALTOP-A - for Topcon
• BALMIR-AS - Miranda

additional:

The light measured at full aperture is correct for any pre-selected smaller f-stop (open-aperture metering):

• BALCAN-AE - for Canon AE and EF (Canon EF may also be used with BALCAN-AS): Light measurement at full diaphragm aperture with ACAN-105-S and ACAN-60-S
• BALCAN-AS - for Canon, except AE
• BALCONT-AS - Contax-RTS, Yashica FX, FR
• BALER-AS - Leica R 3
• BALMIN-AS - Minolta
• BALNIK-AI - Nikon Camera Bodies with AI metering system
• BALNIK-AS - Nikon Camera Bodies manufactured before introduction of the AI system (AI lenses work with this bellows mode, too)
• BALOM-AS - Olympus
• BALPENT-AS - Pentax K, M

additional:

The camera stops down the diaphragm to the f-stop matching the pre-selected exposure time (EE Automatics):

• BALKONI-AS - for Konica Autoreflex, incl. T 3
• BALSON-AK - Bellows Lens Hood for Automatic Bellows. Best Protection against stray light, light reflections and water splashes. Slip-on diameter 42 mm. For other lens diameters M-ring adaptors are required:
• M 52 x 0.75 - M-ring for use of BALSON-AK with 60 mm and 105 mm Auto-Bellows-Noflexar and other lenses having this filter thread

Auto-Bellows for Rolleiflex-SL-35 are distributed by Rollei agencies, exclusively.

From the editor

Introduced in 1969.