Good News – PRTmini™ Launch & Focus Pyramid Review

I would like to share two pieces of great news.

This week SLR Lounge featured a wonderful article about my Focus Pyramid Autofocus Lens Calibration Tool by Jay Cassario which was informative and extremely well received written by the photo community! Check it out here.PRT-MIni-Insert-Front

I would like to formally thank everyone for their continued support and give a warm hearted welcome to the hundreds of new folks that joined our family of pros and photo enthusiasts in the last 3 days. I’m humbled.

No matter if you take photos using a camera, smartphone or other mobile device, on dry land, air or under the sea, the PRT-Mini™ is a versatile photo accessory designed to help you make better images.

▪ Control Color, Exposure and Image Sharpness
▪ High-quality PVC plastic for durability and water resistance
▪ Specially formulated anti-reflective coating
▪ Removable mini lanyard for quick and easy accessibility
▪ Use with your favorite desktop or mobile photo editor


I am a full-time, internationally published commercial photographer with over 20 years experience in photography, graphic design and media production. I am also an entrepreneur, inventor, educator, studio owner, radio and tv talk show co-host of the internationally syndicated Digital Photography Cafe while formally trained at BCC, FAU and the Art Institute of Fort Lauderdale, Florida. I've worked within multiple advertising agencies and collabornated with countless art directors and publishers over the years. Motto: Mediocrity is no longer acceptable; Be stellar or be nothing! – J.Cristina For questions & booking inquiries simply complete our contact form or call directly.