A Marcus

Joined on Mar 31, 2012

Recent activity

Showing:
Forums:

Snapshot of threads updated recently in which you have recently participated.

Subject Forum Last post
Equivalent & Aperture Photographic Science and Technology 12 hours ago
Complete Novice - Which Lens?! Beginners Questions 18 hours ago
UV filters Beginners Questions 1 day ago
EF 50mm lens on an APSC camera, why doesn't it seem to have cropped to 80mm? Beginners Questions 2 weeks ago
Newbie cannot focus properly Beginners Questions 3 weeks ago
Exposure Beginners Questions 3 weeks ago
Why do certain colors change under speedlights? Photographic Science and Technology 3 weeks ago
Extension Tubes Beginners Questions 4 weeks ago
Do I really "Gain a stop?" Beginners Questions 1 month ago
Relay lenses and optical formulas Photographic Science and Technology 1 month ago
Seeking recommendation for travel camera Beginners Questions 1 month ago
Can you solve this equation? Beginners Questions 1 month ago
Comparing aperture area of different lenses with different focal length Beginners Questions 1 month ago
Spots on the photos ? Beginners Questions 1 month ago
Focal length differences Beginners Questions 1 month ago
Prime lens Beginners Questions 1 month ago
infinity focus Beginners Questions 2 months ago
How to Remove Stuck Adapter Ring on Filter that Already Stuck on Lens? Beginners Questions 2 months ago
Aps-c lens Beginners Questions 2 months ago
MP Resolution of 35mm Film? Photographic Science and Technology 2 months ago
APS-C focal legths for various portrait types Beginners Questions 2 months ago
Sharpness vs DOF Beginners Questions 2 months ago
Weird distortion effect when moving (X-T100 & 50mm f2) Beginners Questions 2 months ago
Why would you ever want to use a high f-stop like 22 to 32 Open Talk 2 months ago
Cant understand minimum focusing distance. Beginners Questions 2 months ago
Equivalent focus lengths for small sensor to a FF (35mm) sensor Photographic Science and Technology 2 months ago
Help with lens priorities Beginners Questions 2 months ago
What is wrong with this lens? Beginners Questions 2 months ago
Focus question Beginners Questions 2 months ago
What exactly does Portrait Zoom mean? Beginners Questions 2 months ago
help request - Light calculation and f numbers Mobile Photography Talk Mar 31, 2012