Offers an ultra large aperture of f/1.5, When used on an APS-C DSLR the field-of-view is equivalent to 128mm and combined with the large max. Aperture it's obviously a pretty attractive lens e. Helios 40-2 is a heavy-duty lens that can withstand harsh elements and deliver stunning, artistic results.
The stepless, 10-blade aperture make adjustments a snap, and the combination of an 85 mm lens and f/1.5 provide the speed necessary for an extremely shallow depth of field. This means the Helios 40-2 is excellent for portrait photography, isolating the subject from the background to deliver stunning detail. There is also a unique spinning bokeh effect that can be achieved by the Helios lens when the foreground subject is in intense focus that can make it seem almost as if the background were swirling. There just aren't many other 85 mm lenses that can match the Helios lens in terms of artistic output. For photographers, looking to expand their artistic license, the Helios 40-2 makes an excellent addition to any lens collections.Please read more information about this wonderful lens at. FOV corresponds to a 135mm lens on a 35mm camera. Fits Pentax screw-mount cameras, Yashica screw-mount cameras, Praktica SLRs, Soviet Zenit SLRs and anything else with the native M42 mount. Using adapters, you can get this lens to mate with Pentax K, Konica AR, and Canon manual-focus bodies.
With these, you should be able to get infinity focus. The lens is easier to use with aperture-priority mode on a camera body. Angle of view - 28'. Focal Length - 85 mm (85.18 mm).Relative aperture - 1:1,5. Frame size - 24x36 mm. Number of lenses / groups - 6 / 4. Front vertex focal distance - -26.85 mm. Rear vertex focal length - 44.52 mm. Distance from first to last the surface - 81.53 mm. Light diameter of the first surface - 56, 9 mm.
Lens filter thread size - 67mm. Please include copy of the invoice with your return package. The item "Soviet Helios 40-2 402 85mm f/1.5 lens for M42 Camera, Pentax. NEW, Free USA ship" is in sale since Tuesday, February 26, 2013. This item is in the category "Cameras & Photo\Lenses & Filters\Lenses".
The seller is "photogearetc" and is located in Lake Forest, California. This item can be shipped worldwide.