photonius

photonius

Lives in United States United States
Joined on Jan 5, 2008

Recent activity

Showing:
Forums:

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

Subject Forum Last post
USM versus IS Canon SLR Lens Talk 12 hours ago
FOV comparator Canon SLR Lens Talk 1 day ago
New Yongnuo lens!? 50mm f/1.4 AF Canon SLR Lens Talk 1 day ago
Looking for a 'mystery lens' canon 18-55mm macro? Canon SLR Lens Talk 4 days ago
Does APS-C sensors use a crop from or only center of lens? Canon EOS 7D / 10D - 70D Talk 4 days ago
GPS for G7X Canon PowerShot Talk 5 days ago
New T5i vs old 400D , pics no better on T5i ? Canon Rebel (EOS 1200D-300D) Talk 3 weeks ago
Canon 100-400 Mk ll Canon SLR Lens Talk 3 weeks ago
FD 50mm f 1.8 Canon SLR Lens Talk 3 weeks ago
cheapest USM/fast-focus lens for less than $450? Canon SLR Lens Talk 3 weeks ago
Sigma 17-70 autofocus problems with 550D Canon Rebel (EOS 1200D-300D) Talk 4 weeks ago
UV Filters?? Canon Rebel (EOS 1200D-300D) Talk 2 months ago
Singh Ray 77mm filters on Canon 10-22 Canon SLR Lens Talk 2 months ago
Lensbaby fisheye--- anybody tried it on FF or crop? Canon SLR Lens Talk 2 months ago
Which is the best Canon lens to start shooting landscapes? Canon SLR Lens Talk 2 months ago
Hey, Canon guys! Tammy 150-600. Canon SLR Lens Talk 2 months ago
Time-Sensitive Dilemma! Canon 5D vs 7D vs SL1 Canon SLR Lens Talk 2 months ago
Canon 15-85mm - more vignetting on one side? Canon SLR Lens Talk 2 months ago
Canon FD 200mm 2.8 not focusing to infinity. Help please. Canon SLR Lens Talk 3 months ago
Difference between Canon EF-S 55-250mm f/4-5.6 IS and IS II Canon SLR Lens Talk 4 months ago
400D need lens walk-around Canon Rebel (EOS 1200D-300D) Talk 4 months ago
2-Lens solution for travel with Crop Sensor Canon SLR Lens Talk 4 months ago
Vintage Vivitar 285 Flash with canon T3i Help Canon Rebel (EOS 1200D-300D) Talk 4 months ago
a new review of Canon 10-18 STM up Canon SLR Lens Talk 4 months ago
Protection filter for 70-300 "L" lens Canon SLR Lens Talk 4 months ago
Understanding DOF & Focus Canon SLR Lens Talk 4 months ago
Panoramic Settings on T5i? Canon Rebel (EOS 1200D-300D) Talk 4 months ago
Anyone using Tamron 150-600 w/SL1 Canon Rebel (EOS 1200D-300D) Talk 4 months ago
Pink artifacts in pictures? Canon Rebel (EOS 1200D-300D) Talk 5 months ago
What should be the Zoom Level while taking a portrait with background defocus Canon Rebel (EOS 1200D-300D) Talk 5 months ago
Any difference in 55-250 IS & 55-250 IS STM other than STM?? Canon SLR Lens Talk 5 months ago
loose fit between 2X-III and 300mm f/2.8 II Canon SLR Lens Talk 5 months ago
Your take on Sigma 17-70mm lens? Canon SLR Lens Talk 5 months ago
100-400mm OR 150-600mm ? Canon SLR Lens Talk 5 months ago
Would you invest in EF-S? Canon SLR Lens Talk 5 months ago
Need walk-around zoom lens advice Canon SLR Lens Talk 6 months ago
EF-M mount for SL1 ? Canon SLR Lens Talk 6 months ago
Which additional lens/es?? Canon SLR Lens Talk 6 months ago
best Macro lens setup for Jewelry Canon SLR Lens Talk 6 months ago
24-105, dust in lens shows up in pictures even at wide apertures Canon SLR Lens Talk 6 months ago
Are Canon filters any good? Canon SLR Lens Talk 6 months ago
Canon EF 70-300mm f/4-5.6 is usm vs Canon EF-S 55-250mm f/4-5.6 is Canon SLR Lens Talk 6 months ago
Experienced Tamron 200-500mm lens users, please. Canon SLR Lens Talk 6 months ago
which tele to get? Canon SLR Lens Talk 6 months ago
Canon EF-S 10-22mm f/3.5-4.5 or EF 17-40mm f/4L ?? Canon SLR Lens Talk 6 months ago
Starting Over - Lenses Canon SLR Lens Talk 6 months ago
EF 85/1.8 side by side with New FD 85/1.8? Canon SLR Lens Talk 6 months ago
UV Filter Choices Overwhelming - How to Choose? Canon SLR Lens Talk 6 months ago
An open letter to Canon Canon Rebel (EOS 1200D-300D) Talk 6 months ago
Which lenses are particularly suitable for Infrared photography (IR) Canon SLR Lens Talk 7 months ago