Canon SLR Extension Tubes
While the calculations resulting in this is far more difficult, I’ve found that for a 50 lens with a minimum focus distance of 300mm, this can without difficulty be lowered to 100 or lower with a macro extension tube, letting you to get... Yet, with the purchase of a Canon extension tube to your sack of gear, lots of of your existing lenses are able to be transformed to have macro functionality at a price of under 100 dollars. If you own a lens with a focal length of 50mm and add a 25 tube, it can now work as a 75 lens, thus a 1. The second consequence from adding a Canon extension tube is lessened minimum focusing distance. For those not familiar with extension tubes, they are simply pieces of metal or plastic that attach in between the lens and DSLR itself. Frequently the cause is the lack of access to pricey, limited functionality macro equipment for getting ultra close ups of possible shots. One of the generally underexposed (pardon the joke) types of DSLR picture taking is......
 Digital Concepts 1 2 4 10 Close-Up Macro Filter Set with Pouch (58mm) Sale Price: $10.68  |
 NEEWER® 52mm WIDE-ANGLE Lens ~INCLUDING BAG~ FOR NIKON D40 D50 D60 D70 D80 D40X List Price: Sale Price: $12.51 You save: $117.48 (90%) |
 Zeikos ZE-FLK58 58mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD) List Price: Sale Price: $7.98 You save: $27.97 (78%) |
 NEEWER® 58mm 0.45x WIDE Angle LENS ~INCLUDING LENS BAG~ for Canon Rebel T1I XT XS XSi XTi + MORE! 58 MM Sale Price: $5.76 |
 Zeikos ZE-FLK52 52mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD) List Price: Sale Price: $3.49 You save: $31.46 (90%) |
 Sakar 52mm Close-Up Filter Set (+1, +2, +4 and +10 Diopters) Magnification Kit - Metal Rim Sale Price: $10.35 |