N°107899 · Family detail
PentaxZoom·PENTAX 645 mount·2014
HD Pentax-DA 645 28-45mm F/4.5 ED AW SR
Specifications01
MountPENTAX 645
Focal length28-45mm
Max aperturef/4.5
TypeZoom
Release year2014
Weight1470 g
Filter size82 mm
Min focus distance0.4 m
Max magnification0.2101
Aperture blades9
Optical elements17
Groups12
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodPH-RBC82 - Bayonet-type petal-shaped
EraDigital era
Additional Info02
Lens TypeWide-angle zoom lens
Summary02
Pentax 645 mount zoom lens with focal lengths 28–45mm and a constant f/4.5 aperture. Designed for medium-format general use, suitable for wide-to-standard framing in daylight or controlled lighting.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax 645 mount has a flange distance of 70.87 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax 645 DA lenses have no aperture ring. Use an adapter with its own aperture control.
- Sony EAdapter · 52.87 mm
- Canon RFAdapter · 50.87 mm
- Nikon ZAdapter · 54.87 mm
- Fujifilm XAdapter · 53.17 mm
- L-MountAdapter · 50.87 mm
- Micro Four ThirdsAdapter · 51.62 mm
- Fujifilm G (GFX)Adapter · 44.17 mm
- Canon EF-MAdapter · 52.87 mm
- Canon EFAdapter · 26.87 mm
A rear element that sticks out can hit the camera mirror.
- Nikon FAdapter · 24.37 mm
A rear element that sticks out can hit the camera mirror.
Other Mounts03
No alternate mounts are indexed for this family yet.