Author: jimchungblog

Sigma 400mm f/5.6 APO Tele Macro is my new best friend.

This is a telephoto Canon EOS prime lens that Sigma discontinued about a decade ago and they languish on eBay for under $250 USD because they often don't allow proper aperture control when mounted on current Canon bodies.   In older bodies, the camera would issue a sync command twice before requesting lens info and since … Continue reading Sigma 400mm f/5.6 APO Tele Macro is my new best friend.

Telephoto Prime Shootout and the OM 500mm f/8 Reflex Lens

This article started life as a comparison of three EOS telephoto prime lenses as economical alternatives to the much vaunted Zuiko 300 mm f/4 IS PRO.  I then realized that this could be a serendipitous opportunity to also reintroduce an even more esoteric telephoto prime that has been lost to history despite being a true … Continue reading Telephoto Prime Shootout and the OM 500mm f/8 Reflex Lens

Determining the actual costs of adding “Leica” branding to a lens.

After becoming an owner of a Leica branded (well, self branded) m43 camera body, I needed a matching wide field  Leica prime lens to complete the look.   There are currently five Leica branded m43 lenses and three more to be introduced this year.  But only one, the 15 mm f/1.7 DG Summilux, is small enough … Continue reading Determining the actual costs of adding “Leica” branding to a lens.