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
"Painting with light" a software program? Beginners Questions 2 months ago
Can I cope with a Hi-Res Camera Beginners Questions 3 months ago
How To Take Panorama Shots? Beginners Questions 3 months ago
Hyperfocal Distance? Beginners Questions 3 months ago
What is the Shutter Speed Rule Today? Beginners Questions 3 months ago
RF 24-70/2.8: Variable ND + Lens Hood Solution Canon EOS R Talk 4 months ago
Cropping 28mm to 35mm Beginners Questions 4 months ago
konica minolta maxxum 5d - 300DPI Beginners Questions 4 months ago
Super-resolution vs Panorama Open Talk 5 months ago
Understanding Zoom Lenses Beginners Questions 5 months ago
Still don't get "reproduction ratio" for macro lenses Beginners Questions 5 months ago
Calibrating laptop without OSD PC Talk 5 months ago
Where is the mark on the polarizer supposed to be? Beginners Questions 5 months ago
Transfer photos from Android, files became very big and unviewable, please help, how to fix? Beginners Questions 6 months ago
What is the point of a short macro lens? Beginners Questions 6 months ago
Looking for a Macro lens Beginners Questions 8 months ago
What happens to the focal length (and maybe aperture) if I use a DX lens on an FX body? Beginners Questions 8 months ago
The maths behind perspective control lenses Open Talk 8 months ago
How to get this effect from CP filter? Open Talk 8 months ago
Medium format aperture equivalent. Beginners Questions 8 months ago
Single-row pano: best beginner tool Beginners Questions 9 months ago
When should you NOT use a CPL? Open Talk 9 months ago
Hoya circular polarizer -- why does it rotate? Beginners Questions 10 months ago
Zoom lense need slower shutter speed than primes lense ? Beginners Questions 10 months ago
50mm is not the same on different lenses. Beginners Questions 10 months ago
Does decreasing Image Size increase Sharpness? Beginners Questions 10 months ago
Equivalence question. But different than you're thinking. Open Talk 10 months ago
How lens choice on crop sensor cameras affect portraits? Beginners Questions 10 months ago
Confusion: Manual lens DoF scale vs DoF calculator on APS-C Beginners Questions 11 months ago
Filter out your ND filter! A "long exposure" trick... Open Talk 11 months ago
CPL vs Linear -- which for maximum effect? Beginners Questions 11 months ago
Distortion and focal length. Beginners Questions 11 months ago
Do not leave the camera facing the sun... Open Talk Dec 11, 2019
Silica gel packs Beginners Questions Dec 5, 2019
Zooming with your feets? Beginners Questions Dec 2, 2019
What lens will give me 50mm focal length on cropped sensor camera? Beginners Questions Nov 30, 2019
Regarding polarizing filters Open Talk Nov 22, 2019
ND and Polarizing filters Beginners Questions Nov 20, 2019
CPL filter usability outside of sky and landscape shots Open Talk Nov 13, 2019
What is “exposure”? Open Talk Nov 10, 2019
Medium format film vs 35mm vs digital Megapixels and Resolution Beginners Questions Sep 30, 2019
Can taking photos of the sun damage your mirrorless? Open Talk Sep 16, 2019
Focus question ? Open Talk Jul 2, 2019
Lens Riddles for Beginners Beginners Questions Jun 15, 2019
Picture comparison Beginners Questions May 29, 2019
How can I tell how many stops are between each F-number? Beginners Questions May 26, 2019
Depth of Field equations vs crop sensors Open Talk Apr 28, 2019
Handheld nodal point rotation (panoramas) Open Talk Apr 16, 2019
REAL REAL Focus problems. Beginners Questions Apr 15, 2019
Panorama Panoramic Ball Head Open Talk Apr 10, 2019