===== DK Optic Mamiya 645 50mm T2.3 ===== 
{{ :lens:202505121746113c093b2f186bc297_b.jpg?400|}}
==== Summary ====
The Mamiya 645 lens has beautiful flare and soft transitions. With the support of the Speed ​​Booster lens group, the larger 645 frame is fully integrated into the full-frame field of view, fully preserving all the styles.
==== Tech Specs ====
| Manufacturer    |DK Optic|
| Series          |Prime|
| Model           |Mamiya 645|
| Focal Length    |50mm|
| Max Aperture    |T2.3|
| Min Aperture    |-|
| Format          |-|
| Image Circle    |-|
| Minimum Focus   |11in|
| Focus Rotation  |-|
| Iris Blades     |12|
| Optical Design  |-|
| Squeeze         |none|
| Front Diameter  |95mm|
| Filter Thread   |-|
| Focus/Zoom Rod  |-|
| Native Mount    |PL|
| Data Protocol   |none|
| Length          |-|
| Weight          |-|
| Body Telescope  |-|
| Body Material   |aluminum|
| Focus Drive     |manual|
| Iris Drive      |manual|
| Zoom Drive      |n/a|
==== History ====
Country of Origin: China \\
Release Date: - \\
Launch Price: - \\
Design Revisions:\\

==== Service ====
<nodisp 8>
Service Manual: (Insert link to manual here) \\
\\
Full CLA: **#hrs.**\\
<wrap note>Enter relevant notes here</wrap>\\
</nodisp>

==== Notes ====
==== Media ====
{{ :lens:20250512174607f462944b8f4e94c4_b.jpg?400|}}