Author Archives: Louis Ferreira

Sony’s Engineering Prowess Proven by Fujifilm Value Angle Calculation and Misinformation Being Spread Again

Profifoto and Docma have tried to run with Fujifilm’s value angle figure using the following formula: Value Angle = 2 × arctan ((2 × Pad Ratio) / (Port Diameter – Sensor Diagonal)) But they got something wrong because their figures do not match Fujifilm’s calculation table. Their table did help use decode Fujifilm’s original table […]

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Sony a6400 Firmware 2.00 Released With Real-Time Eye AF For Animals

Sony released firmware 2.00 for the Sony a6400 and you can download it here. Benefits and Improvements Adds real-time Eye AF for animals NOTES: Detecting human and animal eyes simultaneously is not supported Depending on the environment, animal type, and the movement of the animal, eye detection may not be possible Refer to the Help Guide […]

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Sony 600mm f/4 GM and 200-600mm f/5.6-6.3 Preorders Start

Preorders (Jun 13th 11AM): Sony 200-600mm FE: B&H Photo / Amazon / Adorama Sony 600mm FE GM: B&H Photo / Amazon / Adorama Be sure to follow SonyAddict on Facebook, Twitter, Instagram, Youtube and join our group’s bellow. Sony a7 Owners Group Sony a9 Owners Group

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DPR Sony Interview: Sony 600mm f/4 GM, 200-600mm f/5.6-6.3 and More

DPReview attended a launch event in NJ for the Sony 600mm f/4 GM and 200-600mm f/5.6-6.3 launch. During this event, they spent time interviewing Yasuyuki Nagata, head of Sony’s global interchangeable lens business. You can read excerpts from the interview below: The Sony 400mm f/2.8 sold much better than expected – actually double what was […]

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Deal Zone: Today Only Save $400 on ZEISS Batis 25mm f/2

Today only save $400 on the ZEISS Batis 25mm f/2 at B&H Photo.

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Size Comparison: Sony 600mm f/4 GM and 200-600mm f/5.6-6.3 vs Nikon and Canon Telephoto Glass

Sony has been very focused on long telephoto glass since the launch of the Sony a9 and with the announcement of the Sony 600mm f/4 GM and 200-600mm f/5.6-6.3 it’s interesting to see how they stack up to Nikon, Canon, Sigma, and Tamron telephoto lenses. Interestingly the Sigma 60-600mm f/4.5-6.3 DG OS HSM Sports and […]

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