dsjtecserv

Lives in United States Northern, VA, United States
Works as a Technical Director
Joined on Jan 21, 2005

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Subject Forum Last post
Question on DOF: Crop sensor vs. Full frame Open Talk 2 weeks ago
Aperture, focus, and distance from subject Open Talk 2 weeks ago
Exporting with fixed dimensions and dpi Open Talk 1 month ago
Photoshop from CS5 to CS6 to CS7?? Open Talk 1 month ago
Help me understand these DoF calculators Open Talk 1 month ago
Optimising Aperture for DoF: DIY Calculator Tool - feedback wanted Beginners Questions 1 month ago
Photo term explanation Open Talk 2 months ago
Weird vertical lines on photo Beginners Questions 2 months ago
Simple question: Wide angle lenses distort depth of field? Beginners Questions 2 months ago
Panorama method Beginners Questions 3 months ago
ff vs cc + faster lens Open Talk 3 months ago
DOF and sensor size? Beginners Questions 4 months ago
Equal focal lengths compared between APS-C and Full Frame. Beginners Questions 4 months ago
circular polariser Beginners Questions 4 months ago
Using CPLs for landscapes Beginners Questions 4 months ago
UV, Neutral density, Polarised filters - are they necessary? What brand best? Beginners Questions 4 months ago
Difference between PSD and Tiff? Open Talk 4 months ago
Trying to understand portrait 'compression' across the different sensor formats Open Talk 4 months ago
Quickly release straps Beginners Questions 5 months ago
Why does raising the mirror fix hot pixels on DSLRs? Beginners Questions 5 months ago
Long ND exposure question Beginners Questions 5 months ago
is there a difference between the images of crop sensor + equivalent lens for the same 35mm focal Beginners Questions 5 months ago
Cropping for your next focal length Open Talk 5 months ago
Out of curiosity favor (Full frame and Crop Sensor) Beginners Questions 5 months ago
panorama Open Talk 5 months ago
Perplexed..best time to crop in workflow? Beginners Questions 6 months ago
Huge moon: fake or real? Open Talk 6 months ago
Sensor Size Comparison Open Talk 6 months ago
ND Filter vs CPL Beginners Questions 6 months ago
Any interest in a new leveling base solution? Open Talk 7 months ago
Arguments over how to determine depth of field Open Talk 7 months ago
Does say a 35mm on an APS-C camera have the same facial/other deformations as a 35mm? Open Talk 7 months ago
Cropping DOES change depth-of-field Open Talk 7 months ago
If light pollution wasn't a thing. Open Talk 8 months ago
UV Filter For Protection Beginners Questions 8 months ago
Software for anamorphic distortion correction Open Talk 8 months ago
reach reached 150 Open Talk 8 months ago
CoC in DoF calculators - values still relevant today? Open Talk 8 months ago
APS-C has extended reach - really? Open Talk 8 months ago
Exposure triangle Open Talk 8 months ago
Exposure Length for Removing People Beginners Questions 8 months ago
Question about aperture blade and nodal point locations Beginners Questions 8 months ago
Good to learn a new word each day: retronym [was helicoid] Open Talk 9 months ago
How Lens Focal Lengths Will Affect Background Compression Open Talk 9 months ago
Nikon - 50mm DX lens on a DX Cam vs 50mm lens on an FX Cam Beginners Questions 9 months ago
Is distortion similar, if you use multiple 80mm shots (same location & framing) vs. one 14mm shot? Open Talk 9 months ago
In-focus to out-of-focus transition Beginners Questions 9 months ago
Looking to jump into wildlife/astro, need direction Beginners Questions 9 months ago
What is this Open Talk 9 months ago
Hyperlapse - same setting but different exposure Beginners Questions 9 months ago