Table of Contents

Leica R Summicron Ver II 50mm f/2

Summary

Tech Specs

Manufacturer Leica
Series R
Model Summicron Ver II
Focal Length 50mm
Max Aperture f/2
Min Aperture f/16
Format -
Image Circle -
Minimum Focus 0.5m / 19.7 in.
Focus Rotation -
Iris Blades 6
Optical Design 6/4
Squeeze none
Front Diameter -
Filter Thread E55
Focus/Zoom Rod -
Native Mount R
Data Protocol -
Length 41mm
Weight 290g
Body Telescope -
Body Material -
Focus Drive Manual
Iris Drive Manual
Zoom Drive n/a

History

Country of Origin: -
Release Date: 1976-2009
Launch Price: -
Design Revisions:

Service

This section restricted to Duclos Staff users.

Service Manual: Disassembly/Re-assembly

Full CLA: 5-6 hrs.
Enter relevant notes here
re-collimate: 2 hrs
remove FER and sunshade/FR to expose lock ring. loosen, check condition of teflon washer underneath, replace teflon as needed, rotate front group. Secure LR with LOTS of glue. let set fully before rotating focus. LR can cause front group to shift. always double check collimation.
…end of Staff section

Cine-Mod

This section restricted to Duclos Staff users.

Focus Ring O.D.: 2.523”
Zoom Ring O.D.: N/A
Iris Ring O.D.: 2.593“
De-click Y/N: Yes
Iris Coupling: Yes, N/A
check lens model and version before confirming if dis-assembly is required. Some versions can be easily accessed under the mount for $50. Some may not be easy to access.
Additional Notes:
…end of Staff section

Notes

Media