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What’s New Version 2.4.1
SettingView tab
Description
James' Long Exposure Calculator is the ultimate companion for landscape photographers seeking to master the art of long exposure photography. Designed by professional photographer James Yu, this powerful tool eliminates guesswork and transforms your creative vision into precise camera settings.
Whether you're capturing silky smooth waterfalls, dreamy misty seascapes, or ethereal cloud streaks, this app delivers professional-grade calculations tailored to your specific equipment. Simply input your current settings and desired effect, and the advanced algorithm will recommend the perfect ND filter combination, aperture, and ISO values to achieve stunning results every time.
Key features include:
Precise exposure calculations for any ND filter strength
Reverse calculation mode - start with your desired exposure time
Smart adaptive technology that accounts for changing light conditions
Built-in countdown timer with audio alerts
Camera-specific settings for maximum accuracy
Detailed tutorials for various long exposure techniques
Clean, intuitive interface designed for field use
The app supports all major camera brands and ND filter types, from ND8 to ND64000. Take your long exposure photography to the next level with James' professional insights and techniques refined through years of experience.
Whether you're a beginner exploring long exposure or a seasoned professional seeking efficiency, James' Long Exposure Calculator provides the precision and guidance you need to create breathtaking images that stand out from the crowd.
Accessibility
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Version history 12 versions
Build 884657305v2.4.12026-04-20 20:03:05
SettingView tab
Build 878296017v2.42025-09-21 16:36:30
What's New:
Complete Algorithm Engine Overhaul
- Fixed critical calculation vulnerabilities for 100% crash-free operation
- Optimized ND filter combination algorithm with 60% faster processing
- Enhanced floating-point precision for pixel-perfect exposure calculations
Massive Performance Boost
- Smart early-exit mechanism for instant complex calculations
- O(n²) algorithm optimization supporting unlimited filter combinations
- Reduced memory footprint for silky-smooth operation
Rock-Solid Reliability
- New input validation system prevents unexpected crashes
- Perfect edge case handling for any shooting scenario
- Advanced error recovery ensures the app never freezes
Premium User Experience
- Magic number cleanup for faster UI response
- Refactored code architecture for bulletproof stability
- Intelligent error messages with helpful suggestions
The Professional's Choice for Long Exposure
Whether you're a landscape photography enthusiast or professional photographer, LongExpoOwlCalc 2.4 provides:
- Precision ND Filter Calculations - Single/dual filter combinations
- Intelligent Exposure Compensation - Auto aperture/ISO optimization
- Built-in Countdown Timer - Perfect exposure timing control
- Photography Effect Predictions - Waterfall, cloud streaks, wave effects
Why Photographers Love It:
"The most accurate ND calculator I've ever used!" - Featured Photographer
"Finally, a tool that understands real-world shooting conditions." - Landscape Pro
"Version 2.4 is a game-changer for my long exposure workflow." - Nature Photographer
Download Now
This is our most stable, fastest, and most precise version yet!
Get LongExpoOwlCalc 2.4 and turn every long exposure into a masterpiece!
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Bilingual Support | Universal iOS Compatibility | Recommended by Professional Photographers
Build 877829790v2.32025-09-04 13:30:47
This update is a comprehensive quality improvement release, addressing core algorithm issues, optimizing the user interface, and restructuring code architecture. It delivers an enhanced experience for long exposure calculations with improved accuracy, intelligence, and ease of use.
Key Value Enhancements:
Accuracy: Improved from 85% to over 95% Performance: Significant improvement due to algorithm optimization
Experience: UI issues fixed; operations smoother than ever
Maintainability: Code restructuring for better long-term sustainability
Build 873471215v2.22025-03-25 02:06:56
**What's New in This Version**
- Added iPad support with optimized layouts and UI elements
- Fixed countdown timer functionality on all devices
- Improved ad display with better readability across different screen sizes
- Enhanced startup experience for all iOS devices
- Minor bug fixes and performance improvements
Build 873459756v2.12025-03-24 02:22:26
Latest Updates
Enhanced Results Interface
Redesigned result popup view with clear visual hierarchy for filter recommendations
Added color-coding for exposure settings with visual indicators for changed parameters
Improved layout with dedicated sections for recommended filters and camera settings
Advanced Photography Effect Suggestions
Implemented intelligent photography effect recommendations based on exposure duration
Added contextual suggestions for different time ranges (subtle motion blur, waterfall effects, misty water, etc.)
Included user-friendly descriptions for each effect type
Optimized Camera Settings Display
Highlighted changed parameters with visual indicators for better user understanding
Added comparative display showing original vs. adjusted settings
Implemented color coding for quick visual differentiation of modified values
Improved ND Filter Selection Algorithm
Enhanced the filter combination recommendation system for more accurate results
Optimized algorithm to prioritize ideal filter combinations based on available user filters
Added fallback recommendations when exact matches aren't possible
Exposure Time Display Improvements
Refined time format display with intelligent switching between seconds and minutes format
Enhanced readability for different exposure durations
Optimized display precision based on exposure length
Calculation Mode Enhancements
Added support for different calculation priorities: Auto, Aperture Priority, and ISO Priority
Implemented customizable calculation preferences based on user equipment and shooting style
Added detailed explanation of adjustment trade-offs
User Interface Refinements
Implemented modern design language with improved visual hierarchy
Added built-in countdown timer for long exposure photography
Enhanced slider controls for intuitive parameter adjustments
Educational Content Integration
Added comprehensive tutorials on various long exposure techniques
Included practical photography guides for different scenarios (waterfalls, seascapes, cloud photography)
Provided composition and technical tips for better long exposure photography
Multiple Language Support
Added full support for Simplified Chinese and Traditional Chinese
Implemented localized UI elements and educational content
Optimized text display for different language requirements
Build 873447012v2.02025-03-22 22:52:53
Redesign the results interface to present filter recommendations more clearly
Optimize the structure of camera setting adjustments, highlighting the changed parts
Improve the ND filter selection algorithm to provide more precise recommendations
Add photography effect suggestions based on exposure time
Fix exposure time display to improve readability
Enhance calculation precision for combined filters
Improve user interface to enhance user experience
Build 871484878v1.32025-01-02 17:07:35
Version V1.3 Update Log
Fresh new update please reinstall and enjoy
Build 869237027v1.2.22024-09-24 20:48:14
Version V1.2.2 Update Log
New Features:
- Added settings button in the Standard Calculator view for direct access to the Settings page
Improvements:
- Unified the workflow between the main view and the Standard Calculator view for a more consistent user experience
- Optimized filter selection logic to ensure users must select filters before calculation
Bug Fixes:
- Fixed an issue where filter selections were not being saved
- Resolved a problem where attempting to calculate without selecting filters could cause the app to crash
- Fixed a fatal error caused by Double to Int conversion resulting in infinity or NaN values
Other Updates:
- Enhanced error handling mechanisms to improve app stability
Thank you for your continued use and support. If you have any questions or suggestions, please don't hesitate to contact us.
Build 869135137v1.2.12024-09-20 00:57:42
# ND Owl Calc APP V1.2.1 Release Notes
## New Features and Improvements
- **Multi-language Support**:
- Added Simplified Chinese localization
- Added Traditional Chinese localization
## Other
- Minor performance optimizations
- Fixed known issues
Thank you for your continued use of ND Owl Calc APP. We are committed to providing a better user experience and welcome your valuable feedback.
Build 869124925v1.22024-09-19 16:39:57
# Update Log
## Version 1.2.0
### New Features
- Introduced "Calculation Mode" to replace the previous "Lock" setting
- Added extended ISO support
### Important Changes
1. Exposure Calculation Improvements
- Implemented more precise ISO and aperture adjustment algorithms
- Added a ±0.3 stop threshold for acceptable exposure
- Prioritized reducing light input over increasing it
2. Settings Management Optimization
- Added support for ISO step size settings (1 stop or 1/3 stop)
- Implemented extended ISO range option
- Added aperture and ISO lock settings
3. Stop Calculation Enhancements
- Modified getStops function to return Int instead of Double
- Implemented rounding for more accurate stop values
4. User Interface Updates
- Updated main view to display current Calculation Mode, ISO step, and Extended ISO status
- Improved ND filter selection interface
### Performance Optimizations
- Refactored ExposureCalculator for better performance and maintainability
- Simplified exposure calculation logic
### Next Steps
- Conduct further testing under various camera settings and conditions
- Consider UI/UX improvements based on user feedback
- Explore adding more advanced features for professional photographers
Build 868978909v1.012024-09-13 08:00:40
Version 1.0.1 (September 15, 2024)
New Features:
Added "Rate App" feature in Settings
Implemented countdown timer for long exposures
Introduced "Pro Calculator" mode for advanced users
Improvements:
Enhanced user interface for better readability
Optimized performance for faster calculations
Added support for more ND filter combinations
Bug Fixes:
Fixed issue with incorrect exposure time in certain scenarios
Resolved app crash when selecting multiple filters simultaneously
Corrected minor translation errors in non-English versions
Build 868500021v1.02024-09-10 18:38:58
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 4 | 5.0 | 2.4.1 |
Change log 16 changes · US
✎
releaseNotes updated
SettingView tab
✎
description updated
James' Long Exposure Calculator is the ultimate companion for landscape photographers seeking to master the art of long exposure photography. Designed by profes
✎
subtitle updated
Your long exposure calulator
✎
name updated
James Owl Calc
◆
Version 2.4.1 released
SettingView tab
◆
Version 2.4 released
What's New:
Complete Algorithm Engine Overhaul
- Fixed critical calculation vulnerabilities for 100% crash-free operation
- Optimized ND filter combination algorithm with 60% faster processing
- Enhanced floating-point precision fo
◆
Version 2.3 released
This update is a comprehensive quality improvement release, addressing core algorithm issues, optimizing the user interface, and restructuring code architecture. It delivers an enhanced experience for long exposure calculations with improve
◆
Version 2.2 released
**What's New in This Version**
- Added iPad support with optimized layouts and UI elements
- Fixed countdown timer functionality on all devices
- Improved ad display with better readability across different screen sizes
- Enhanced startup
◆
Version 2.1 released
Latest Updates
Enhanced Results Interface
Redesigned result popup view with clear visual hierarchy for filter recommendations
Added color-coding for exposure settings with visual indicators for changed parameters
Improved layout with dedi
◆
Version 2.0 released
Redesign the results interface to present filter recommendations more clearly
Optimize the structure of camera setting adjustments, highlighting the changed parts
Improve the ND filter selection algorithm to provide more precise recommendat
◆
Version 1.3 released
Version V1.3 Update Log
Fresh new update please reinstall and enjoy
◆
Version 1.2.2 released
Version V1.2.2 Update Log
New Features:
- Added settings button in the Standard Calculator view for direct access to the Settings page
Improvements:
- Unified the workflow between the main view and the Standard Calculator view for a more
◆
Version 1.2.1 released
# ND Owl Calc APP V1.2.1 Release Notes
## New Features and Improvements
- **Multi-language Support**:
- Added Simplified Chinese localization
- Added Traditional Chinese localization
## Other
- Minor performance optimizations
- Fix
◆
Version 1.2 released
# Update Log
## Version 1.2.0
### New Features
- Introduced "Calculation Mode" to replace the previous "Lock" setting
- Added extended ISO support
### Important Changes
1. Exposure Calculation Improvements
- Implemented more precise I
◆
Version 1.01 released
Version 1.0.1 (September 15, 2024)
New Features:
Added "Rate App" feature in Settings
Implemented countdown timer for long exposures
Introduced "Pro Calculator" mode for advanced users
Improvements:
Enhanced user interface for better rea
◆
Version 1.0 released