N°434505 · Family detail
PentaxTelephoto·PENTAX K mount·2008
Smc Pentax-DA* 300mm F/4 ED SDM
Specifications01
MountPENTAX K
Focal length300mm
Max aperturef/4
TypeTelephoto · Prime
Release year2008
Weight1070 g
Filter size77 mm
Min focus distance1.4 m
Max magnification0.2398
Aperture blades9
Optical elements8
Groups6
AutofocusYes
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera
Lens hoodPH-RBK77 - Bayonet-type round
With filter access window
TeleconvertersHD Pentax-DA 1.4X AF Rear Converter AW→ 420mm F/5.6
EraDigital era
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Pentax K-mount telephoto prime lens with a 300mm f/4 maximum aperture. Designed for distant subjects such as sports, wildlife, and outdoor low-light use; includes SDM autofocus with IF focusing.
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Other Mounts03
No alternate mounts are indexed for this family yet.