Filter Size: 77 mm
Thank goodness they all take 77mm filters. 77 mm has been the professional 35 mm and digital standard for the past 10 years.
It's heartwarming to see four brands offer four lenses all with the same standard sized filter thread.
FILTER SIZE - is determined by the inner diameter of the front of a lens, more specifically the threads into which a filter is screwed to attach it to the lens. A 62 mm filter screws onto a lens that has threads that have a diameter of 62 mm.
Filter Size: The diameter of the filter retaining threads on the front of a lens in millimeters. Common sizes include 49, 52, 55, 58, 62, 67mm.
[edit] Filter sizes and mountings
Manufacturers of lenses and filters have "standardized" on several different sets of sizes over the years.
[edit] Threaded round filters ...
What common filter sizes do Canon employ?
Like most Japanese camera makers, Canon use threaded (screw-on) filters with metric measurements on most of their lenses.
close-up lens filter size diopter power Approximate magnification for 100-300mm zoom with 0.25 (1:4) build in magnification at 300mm Canon 500D 52, 58, 72, 77mm 2.00 0.85 Nikon 3T 52mm 1.50 0.70 Nikon 4T 52mm 3.00 1.15 Nikon 5T 62mm 1.50 0.
See your camera manufacturers lens list and look for maximum and minimum apertures, close-focusing distance, glass type (APO, ED, L, AT-X, etc.), lens construction (elements and groups), filter size (important when owning several lenses).
Filter Size Also, when buying a lens, the manufacturer will specify the filter size. This figure doesn't really affect the performance of the lens. However, it should be considered when making a purchasing decision for a few reasons.
5 lens: The filter size is 52mm, the construction is 4 lenses in 4 groups, but not symmetrical as in the Apo-Artar type constructions.
Although sometimes I wish they did, not all lenses have the same diameter, and thus filter size requirements vary.
A different close-up lens is required for each filter size; close-up lenses are also unavailable in filter sizes greater than 77 mm.
Provides a minimal magnification gain when used with focal lengths less than ~80 mm.
It sure does, including in weight (22.6 oz vs 17.5 oz), size (4.4″L x 3.5″D vs 3.8″L x 3.3″D), filter size (82mm vs 77mm) and especially price ($1450 vs $700). The 82mm filter size adds to the cost difference, as well.
Extension tubes can be used with any lens, but the screw in closeup lenses will only fit lenses of a certain filter size.
The MP-E 65 macro lens has Canon's standard 'macro light' flange on the end of the lens barrel (58mm filter size) for the ring light to clip on. The MP-E 65 has reproduction ratios and focusing distances printed on the lens barrel.
If I have my information correct, it appears to be made only in a 77mm mount. I don't know if I can find an adapter to mount it on my lenses with smaller filter sizes, but if I can, will it work properly with such an adapter?
The split diopter solves this by mounting a neutral density filter (usually two stops) in the top portion of the filter.
The Subal split diopter comes in a 77mm filter size, but offers adapters for different size filters.
 See also: Focus, Lenses, Photograph, Camera, Filter
  
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