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Camera Systems > Alpa > Alpa Lenses and Lens Modules > Aperture Stop Lenses Rodenstock HR For Alpa >
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ALPA HR Alpagon 4.0/40 mm, SB17 | Aperture Stop Unit(AU)
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Description:
The ALPA HR ALPAGON 40 mm is the standard solution for ALPA cameras and is equivalent on a 40x54 sensor to the 90mm lens on a 5x4 camera system. With its brilliant performance and its image circle of 90mm, it plays in the same league as the legendary HR ALPAGON 32mm, but is due to its slightly narrower angle same light intensity significantly lighter, more compact and therefore more robust. It covers (based on 40x54mm) still a comparable angle as a 28mm lens on a 35 mm camera and allows even on the so-called medium format back (40x54mm) even shifts of up to 16mm. A real companion and workhorse.
Product Code:
A160118041
ALPA HR Alpagon 4.0/40 mm, SB17 | Aperture Stop Unit(AU)
SPECIFICATION
Focal Length: 40 mm
Effective: 41.85 mm
Rodenstock / ALPA HR Alpagon 4.0/40 mm, LB, in Aperture Unit
Equivalent @ 33x44 = 33 mm Equivalent @ 40x54 = 27 mm
v/h @ 40 x 54: 16 mm / 13 mm
v/h @ 33 x 44: 23 mm / 20 mm
Image Circle: 90 mm
Image Angle: 94°
Optimal f-Stop Range: f5.6 - f8.0
Focusing Range: ∞ – 0.50 m/ 1.6 ft
Rodenstock Aperture Unit
Lens Shades Type: H0 / H1
Filter Size: M 67 x 0.75

More Information:
The HR ALPAGON 40mm can be found particularly often together with an HR ALPAGON 70mm in a photo backpack, bag or case. It is not for nothing that many newcomers to the ALPA system opt for this combination, not only for the focal length range but also for the optical characteristics of the two Optics perfectly harmonized.

Please Note: The product images are sample images and often show the lens with an ALPA HPF ring (High Precision Focusing). This HPF ring is not included in the scope of delivery of the lens. However, ALPA recommends the use of an HPF ring for optimum handling.

Lens tube: This is the standard version in Short Barrel. Versions in Long Barrel or Short Barrel FPS available on special order.