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The Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM is a professional standard zoom lens for Pentax K-mount APS-C DSLR bodies. Development was announced on 25th May 2020, [ 1 ] officially product name announced on October 25, 2021, [ 2 ] launched on July 15, 2021 [ 3 ] and first shipped in August 2021.
[2] Deploying solutions based on reboot to restore technology allows users to define a system configuration as the desired state. The baseline is the point that is restored on reboot. Once the baseline is set, the reboot to restore software continues to restore that configuration every time the device restarts or switches on after a shutdown. [3]
The optical design for the 50mm f /2.8 macro lens was credited to Sho Tokumaru, [8] featuring a "double floating" element design, which incorporated zoom lens technology to move three groups independently at slightly different rates during focusing to improve lens performance over a wide range of focusing distances.
When debugging a concurrent and distributed system of systems, a bootloop (also written boot loop or boot-loop) is a diagnostic condition of an erroneous state that occurs on computing devices; when those devices repeatedly fail to complete the booting process and restart before a boot sequence is finished, a restart might prevent a user from ...
On the same date, the complete series went on sale as a box set (titled "ReBoot: The Definitive Mainframe Collection") exclusively through Shout's official online store months before the set was scheduled to be on retail shelves. [44] Seasons 3 and 4 were released on June 28, 2011, as well as a general retail release of the complete series set.
In its uncured state, silicone rubber is a highly adhesive gel or liquid. To convert it to a solid, it must be cured, vulcanized, or catalyzed.This is normally carried out in a two-stage process at the point of manufacture into the desired shape, and then in a prolonged post-cure process.
Silicone resin with R = CH 3, H or OH. Silicone resins are a type of silicone material which is formed by branched, cage-like oligosiloxanes with the general formula of R n SiX m O y, where R is a non-reactive substituent, usually methyl (Me = −CH 3) or phenyl (Ph = −C 6 H 5), and X is a functional group: hydrogen (−H), hydroxyl (−OH), chlorine (−Cl) or alkoxy (−O −).
The series is most commonly known for the 1:2.8 16 mm fisheye lens. Example photo made using MC Zenitar 16mm f/2.8 fisheye lens MC Zenitar-M2,8/16 The lenses can be used with cameras using the M42 lens mount as well as with other mount systems using an adaptor ring.