Table of Contents

Pentax-A* SMC 400mm f/2.8 ED [IF]

Summary

This immense lens is two stops faster than its standard A version, but it is also 5 times heavier, weighing in at 6kg.

Tech Specs

Manufacturer Pentax
Series A* Series Prime
Model SMC
Focal Length 400mm
Max Aperture f/2.8 ED [IF]
Min Aperture f/32
Format Full-Frame
Image Circle -
Minimum Focus 450cm
Focus Rotation °
Iris Blades 8
Optical Design 8/8
Squeeze none
Front Diameter 165mm
Filter Thread 145mm, 49mm rear
Focus/Zoom Rod none
Native Mount Pentax K
Data Protocol none
Length 325mm
Weight 6000g
Body Telescope -
Body Material -
Focus Drive -
Iris Drive -
Zoom Drive -

History

Country of Origin:
Release Date: 1986
Launch Price:
Design Revisions:

Service

This section restricted to Duclos Staff users.

Service Manual: (Insert link to manual here)

Full CLA: TBD hrs.

…end of Staff section

Cine-Mod

This section restricted to Duclos Staff users.

Focus Ring O.D.: -
Zoom Ring O.D.: -
Iris Ring O.D.: -
De-click Y/N: -
Additional Notes:
…end of Staff section

Notes

Media