The Crucible Mold. : 5 Steps (with Pictures) - Instructables
OptoSigma - Filters
bokeh_comparison_voigtlander_35mm_1.7_5m_PCX - phillipreeve.net
OptoSigma - Plano Convex Spherical Lenses
boke_comparison_2_50 - phillipreeve.net
Rangefinder wide angle lenses on a7 cameras - problems and solutions
Welcome to OptoSigma!
comparison_voigtlander_bokeh_3_40mm_1.7 - phillipreeve.net
MOVED – moving to https://www.yukosteel.com
Service | Shannon
Rangefinder wide angle lenses on a7 cameras - problems and solutions
Anyone using plano-convex front filter with M-mount lenses & Sony?: Adapted Lens Talk Forum: Digital Photography Review
REVIEW: Carl ZEISS 28mm f/2.8 Biogon T* + 1.5m pcx filter - phillipreeve.net
setting sun-12 | sebboh | Flickr
4 tips to improve your Astrophotography - phillipreeve.net
Comparison: Voigtlander 40mm 1.2 and 35mm 1.7 + 5m PCX - phillipreeve
FS: Voigtlander: 35/1.7 w/Opto-Sigma; 50/1.5; VM-E close-focus adapter - FM Forums
Rangefinder wide angle lenses on a7 cameras - problems and solutions
Review: Zeiss ZM 35mm 1.4 T* Distagon - phillipreeve.net
OptoSigma - Filters
Front-End Filter Improves Corner Smearing - FM Forums
Front-End Filter Improves Corner Smearing - FM Forums
OptoSigma - Filters
Carl Zeiss Planar T* 2/45 for Contax G with Opto Sigma SLB-50-5000PM front filter
MOVED – moving to https://www.yukosteel.com
FS: Voigtlander: 35/1.7 w/Opto-Sigma; 50/1.5; VM-E close-focus adapter - FM Forums
