D0F Calculator for APS-C Fuji
By Gilles Bihan
D0F Calculator for APS-C Fuji is a free photography utility for Fujifilm APS-C camera users that calculates depth of field and ND filter exposure times.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual optical calculations for photographers in the field, serving as a specialized reference tool.
For Photographers using APS-C hybrid cameras, specifically those within the Fujifilm ecosystem.
What does it look like?
Key features
Calculates near and far limits of sharpness, hyperfocal distance, and total depth of field based on focal length, aperture, and focus distance.
Computes required shutter speed for long exposure photography when using neutral density filters, based on base exposure settings.
Integrated countdown tool for exposures exceeding one second.
How much does it cost?
The application is distributed as a free utility with no visible in-app purchases or subscription tiers.
Velocity
Dormant developmentopaqueShow more...
Development has ceased, with no updates or feature releases in 2,125 days. The app remains in a zombie state, as the single version provided dates back to late 2020. There is no evidence of ongoing maintenance or support for the platform.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for D0F Calculator for APS-C Fuji
How's the Photo & Video market?
D0F Calculator for APS-C Fuji occupies a niche utility space for Fujifilm photographers, operating as a free, static tool with no updates since 2020.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for D0F Calculator for APS-C Fuji
Where is it heading?
The market for specialized photography utilities remains stable, but the lack of development activity on D0F Calculator for APS-C Fuji leaves it vulnerable to platform changes. The PM should prioritize a basic compatibility audit to ensure the tool remains functional for the existing user base.
- The application serves a static mathematical function, meaning the lack of feature updates does not immediately degrade the core user utility.
- Five years of development silence creates a technical debt risk, where a single OS update could render the tool permanently unusable.
The SWOT
- Specialized optical calculation logic tailored to Fujifilm APS-C sensor dimensions
- Integrated ND filter exposure math removes manual calculation friction
- Integration of a lens database to automate focal length inputs
- Expansion into a paid model or ad-supported version to fund maintenance
Next best moves
Audit compatibility with latest iOS versions because the app has not been updated since 2020 → prevent sudden app failure
The counter-intuitive read
The lack of updates is not a failure but a feature…
Read the full takeBottom line
D0F Calculator for APS-C Fuji provides a functional, free utility for its niche, but the five-year development silence makes it a high-risk tool for professional workflows. A pivot to a basic maintenance cadence would protect the existing user base from potential OS-level breakage.
Unlock 2 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeFAQ
Is D0F Calculator for APS-C Fuji still updated?
Is D0F Calculator for APS-C Fuji free to use?
What cameras is D0F Calculator for APS-C Fuji designed for?
Sources
- [1] App Store
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