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🌊 Andre Astra’s Underwater Photography

Guide and documentation collection for underwater photography with OM System cameras.

📊 Repository Overview

• 7 Main Categories
• 35+ Documentation Files
• 8 PDF Manuals

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📁 Documentation Categories

📷 Aperture Settings & Techniques

Master aperture settings for underwater macro and wide-angle photography:

• Aperture Guide
• Macro Settings for West Cork
• Schools of Thought
• Secret Handshake f14
• Summary
• Summary Image

Focus Stacking

• OM-1 Focus Stacking and RAW Workflow
• OM1 Focus Stacking RAW Workflow

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🏆 Photography Competitions

Competition guides and summaries:

• Biodiversity Competition 2026 Guide
• My Favourite Waterbody Summary

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💎 Tips & Gems

Helpful tips and diagnostic tools:

• Gear Manager Instructions
• Land Photos
• Photo Quality Diagnostic Lab

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ℹ️ Equipment & Settings Info

Detailed equipment information and camera settings:

• Aurora Settings OM1II
• C1 Settings
• C3 Settings
• Equipment List
• Nudibranch Photography Setup

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📚 Equipment Manuals (PDFs)

Complete collection of equipment manuals:

• NA-OM1 Product Manual
• Vacuum Valve II Manual
• Backscatter Hybrid Flash Manual
• BS Trigger OM1 Manual
• Bushnell Core DS4K Trail Camera Manual
• M.Zuiko 60mm f/2.8 Macro Manual
• MF-2 Instructions
• OM-1 Mark II Manual

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📖 Complete Setup Guides

Comprehensive setup guides for underwater photography:

• OM-1 Underwater Photography Setup Guide
• Underwater Photography Setup Guide

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🔭 Telephoto Lenses

Telephoto lens guides and comparisons:

• Lens Comparison 75-300 vs 100-400
• OM1 100-400mm Teleconverter Guide

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👁️ Viewfinder Setup

Viewfinder installation and setup:

• Viewfinder Collar Installation
• Nauticam Viewfinder Summary Final V3

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🔗 Links

• View on GitHub
• GitHub Pages Site

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Last Updated: May 2026