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30mm rings
The Sigma 30mm F2.8 EX DN is a standard prime lens for Sony E and Micro Four-Thirds mounts, announced by Sigma in January 2012. Along with the Sigma 19mm F2.8 EX DN, it was part of the first release of Sigma lenses for compact interchangeable lens cameras, and hence the inception of the "DN" line, created by Sigma to cater to these cameras, an offering that in January 2013 was expanded with another lens, the Sigma 60mm f/2.8 DN Art.
LT204 LaRue C.A.N. QD SPR Mount with 30mm ring halves $200
Purchased new from Larue few years ago. Installed for a few range trips then it sat in the safe and ultimately parts box til now.
$195 F2F powell butte area
$200 shipped firm, no trades. Venmo, Zelle, Cashapp, money order, crypto (BNB...
Seeking precision 30mm low height rings
Some of the best precision rings out there
Mounted and minor scuffs from being in the safe but function flawlessly
$100 obo shipped
Can meet from Albany to Eugene
I have a used good condition Kalinka Optics side mount with built in 30mm rings. It has been modified for clearance of a scope with a left side knob (i.e. illumination). There are 2 bolts and 2 pins(?) that secure the ring mount to the riser. See link below for more info. $70 for sale...