sinetwo

Forum username: sinetwo
Posts: 402
Active years: 2014–2023
Primary forums: Photography Gear and Technique, Trip Reports and Travel
Specialization: Nikon DX-to-mirrorless transition, gear upgrade analysis, UK-based underwater photographer

Community Role

sinetwo was an active Wetpixel community member from 2014 through 2023, primarily known for detailed, analytically-driven discussions about camera system choices for underwater photography. Based in the United Kingdom, he brought a European perspective to gear discussions, including pricing in GBP and travel considerations specific to UK-based divers. His threads about the Nikon upgrade path — from consumer cameras through DX DSLRs to mirrorless — documented a journey that many underwater photographers of the 2014-2023 era were navigating.

sinetwo was notable for his methodical approach to gear decisions, often creating detailed comparison spreadsheets and cost analyses before committing to purchases. He started 69 threads across his nine years of activity, covering gear, travel, technique, and macro photography topics, making him one of the more prolific thread-starters on the forum.

Notable Contributions

D500 vs. D850 Debate

In September 2017, sinetwo started one of Wetpixel’s most substantive camera comparison threads (61 replies), asking whether the Nikon D500 or Nikon D850 was the better choice for underwater photography. He favored the D500 for its price, crop factor advantages underwater, and shared autofocus system from the D5. The thread drew a landmark response from Adam Hanlon, who provided extensive technical analysis covering lens resolution limits at 46MP, dome port optical challenges with high-resolution sensors, the practical effects of shooting through water on resolution, and DX vs. FX trade-offs. Other contributors including TimG and Matt Sullivan shared their real-world comparisons of the two systems (^[1]).

Mirrorless Transition Cost-Benefit Analysis

In May 2023, sinetwo posted a detailed cost comparison of upgrading from his Nikon D500 to either the Sony Alpha 1, Sony A7RV, or Nikon Z8. He created a spreadsheet comparing costs in GBP, analyzing battery life, tracking capability, EVF quality, and stacked sensor benefits for each system. The thread (51 replies) became a community reference for the mirrorless transition, with discussions about Nauticam housing costs, flash trigger compatibility, and the practical considerations of switching camera ecosystems (^[2]).

Nikon Z6/Z7 Mirrorless Assessment

In August 2018, sinetwo was among the first to discuss the implications of Nikon’s Z6 and Z7 mirrorless cameras for underwater photography. He raised practical concerns about battery life, lens compatibility, housing availability, and heat generation. Alex Mustard contributed an important response noting that the Z series would not autofocus with AF-D type lenses, which would affect many common underwater lenses including the Sigma 15mm, Nikon 16mm, and Tokina 10-17mm fisheyes (^[3]).

D500 System Building

sinetwo documented his process of building a complete Nikon D500 / Nauticam underwater system, seeking community advice on port and zoom ring combinations for the Tokina 10-17mm, Nikkor 105mm VR macro, and Sigma 17-70mm. Community experts advised him against the Sigma 17-70mm as an ineffective compromise and recommended focusing on dedicated wide-angle and macro setups (^[4]).

Travel and Dive Destination Research

sinetwo regularly sought community advice on dive destinations, particularly with UK travel constraints. During the COVID-19 pandemic, he researched Caribbean macro destinations accessible via direct flights from the UK (^[5]). He also researched diving in the Red Sea, Anilao (Philippines), wide-angle destinations in Europe, and bonfire diving locations (^[6]).

Equipment History

• Early (2014): Sony RX100 II in Nauticam housing with INON wide-angle and macro wet lenses
• Primary (2018–2023): Nikon D500 in Nauticam housing
• Lenses: Tokina 10-17mm fisheye, Nikkor 105mm VR macro
• Land camera: Nikon D610
• Considering (2023): Sony A1, Sony A7RV, or Nikon Z8 as mirrorless upgrade

Timeline

• 2014-07: First appearance on Wetpixel forums, initially with Sony RX100 II system ([source: person_matrix.json], ^[7])
• 2017-09: Started D500 vs. D850 comparison thread, received detailed analysis from Adam Hanlon (^[8])
• 2018-05: Sought advice on building complete D500/Nauticam system with optimal port combinations (^[9])
• 2018-08: Initiated discussion of Nikon Z6 and Z7 mirrorless cameras for underwater use (^[10])
• 2021-09: Researched Caribbean macro destinations during COVID travel restrictions (^[11])
• 2023-05: Posted detailed D500-to-mirrorless cost-benefit analysis comparing Sony A1, A7RV, and Nikon Z8 (^[12])
• 2023-10: Last recorded Wetpixel forum activity ([source: person_matrix.json])