lens-accessories Compare Mount Ring

I purchased this product assuming that I was going to buy a Canon EF 70-200mm f/4L USM lens which needed this collar. I was then persuaded to buy a 70-200mm f/2.8L lens which came with a Canon collar. So now I need to sell the Janco collar to some one who needs one.
However, I will say that comparing the Janco collar with the Canon collar is like comparing oranges to oranges. They are 99.9 percent identical.
The only thing I noticed when opening the package was, there were some minor nicks in the paint. Other than that, it’s a nice product.


Help answer the question about Mount Ring
How many years passed from moment Frodo and Mount Ring Sam left the Shire till they destroyed the ring in mount doom?
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canon-ef-70-200mm-f 2 8l-ii-is-usm-telephoto-zoom-lens-w -b+w-uv-filter
nikon-ai-s-ais-nikkor-300mm-f4 5-f 4 5-tele-photo-lens
100-new-canon-ef-70-200mm-f 4l-usm-lens-+-67mm-uv-filter-+-gifts
800mm-s-mirror-lens-for-olympus-e-620-e-600-e-520-e-450
samyang-800mm-f 8 0-ed-mirror-tele-lens-for-pentax-new!
800mm-s-tele-lens-for-pentax-k20d-k-7-k7-k-m-km-k-x-kx
canon-ef-100-400mm-l-is-f4 5-5 6-usm-zoom-lens-nearmint
800mm-s-tele-lens-for-canon-digital-rebel-t2i-t1i-xs
pixco-telephoto-zoom-lens-650mm-1300mm-f8-f16-t-t2-mount-for-dslr-slr-camera
canon-ef-100mm-f -2 8-usm-macro-af-lens-+-kit-new
800mm-s-tele-lens-for-pentax-k20d-k200d-k-7-k7-km-k-x-k
canon-zoom-lens-ef-70-200mm-f 4-l-usm-w bag-and-case!
samyang-500mm-f 6 3-mirror-telephoto-lens-for-canon-new
m12x05-converter-cs-wide-view-1 7mm-lens-ring-adapter
500mm-ed-tele-lens-for-pentax-k-7-k-5-k-r-k-x-k5-k20d
*new*-trpiod-mount-ring-for-hasselbladcf-140-280mm 5 6
samyang-800mm-mirror-tele-lens-for-canon-7d-60d-5d-new
industar-51-i-51-for-wooden-wood-camera-fkd-fk-new
industar-51-i-51-for-wooden-wood-camera-fkd-fk-701935
canon-ef-70-200mm-f 2 8l-is-ii-usm-lens-+2-yr-wty
500mm-mirror-tele-lens-for-sony-alpha-a450-a390-a290
@--carl-zeiss-sonnar-mc-300-300mm-f 4-w -arri-arriflex-pl-mount-f3-red-alexa-@
canon-100-400mm-100-400-f 4 5-5 6l-f4 5-5 6-l-is-usm-+-polarizer
800mm-s-tele-lens-for-nikon-d5000-d3000-d90-d300s-d60
nikon-ai-nikkor-300mm-f4 5-f 4 5-tele-photo-lens-s n--517524
nikon-ai-nikkor-300mm-f4 5-f 4 5-tele-photo-lens
500mm-ed-tele-lens-for-canon-600d-550d-60d-50d-1100d-7d
800mm-mirror-tele-lens-for-sony-a550-a450-a390-a290-new
canon-ef-100-400mm-f 4 5-5 6l-is-usm-lens-+-kit-new
@--carl-zeiss-sonnar-mc-300-300mm-f 4-w -arri-arriflex-pl-mount-f3-red-alexa-@
canon-ef-100mm-f2 8-macro-usm-slr-lens--58mm--usa
canon-ef-100mm-f 2 8-macro-usm-af-lens-brand-new!
800mm-mirror-lens-for-canon-50d-40d-450d-400d-1000d-s
800mm-s-mirror-lens-for-nikon-d700-d400-d300-d90-d40x
canon-ef-70-200mm-f 2 8l-ii-is-usm-telephoto-zoom-lens-exclusive-pro-kit
samyang-500mm-f 6 3-mirror-telephoto-lens-for-nikon-new
samyang-500mm-f 6 3-mirror-telephoto-lens-for-olympus
800mm-s-mirror-lens-for-olympus-e-610-e-3-e-520-e-510
canon-lens-ef-400mm-f 5 6l-usm-super-telephoto
canon-ef-70-200mm-70-200-f 2 8l-f 2 8-f2 8l-f2 8-l-is
nikon-nikkor-50mm-f 1 2-ai-s-lens
samyang-800mm-s-f 8 0-ed-mirror-tele-lens-for-canon-new
samyang-800mm-f 8 0-ed-mirror-tele-lens-for-nikon-new!
canon-ef-70-200mm-f2 8-l-is-ii-usm-for-1d-mark-iv-92qi
*new*-~usa-warranty~-*brand-new*-canon-70-200mm-f 2 8l-is-ii-usm-lens-*2751b002*
800mm-s-tele-lens-for-olympus-e-500-e-450-e-420-e-30-e3
canon-ef-70-200-mm-f 2 8-is-usm-l--lens-excellent-condition-non-pro-user
exc!-sigma-brand-70-210mm-f 4-5 6-zoom-lens-minolta-md
canon-ef-70-mm-200-mm-f 2 8-l-is-usm--lens
800mm-s-f8-mirror-tele-lens-for-sony-a55-a850-a550-a500
tripod-mount-1 4--ring-for-lens-helios-40-2
canon-ef-50mm-f 1 4-usm-lens-for-eos-1d-5d-ii-7d-1ds-iii-rebel-t3i-t2i-60d-etc
samyang-800mm-f 8-ed-tele-lens-for-nikon-d5000-d80-d40
800mm-s-mirror-lens-for-canon-eos-550d-500d-5d-mk-ii
500mm-ed-tele-lens-for-nikon-d7000-d5100-d5000-d3100-d3
konica-ee-mount-soligor-auto-zoom-90-230mm-f 4 5-lens-excellent-with-box
800mm-s-mirror-tele-lens-for-sony-a550-a450-a390-a290
jupiter-11-lens-f4-135mm-sonnar-copy-for-oct-18-konvas-35mm-movie-camera-red
canon-ef-28-135mm-f 3 5-5 6-is-image-stabilizer-usm-autofocus-lens-usa-hood-uv
canon-ef-100-400mm-f 4 5-5 6l-is-usm-telephoto-lens-new
UTG Universal Slide-on Flashlight Ring
All Steel 1
Leapers Accushot 1-Pc Offset Mount w/1 Rings, Weaver/Picatinny Mount
C-Line 85050 Redi-mount photo sheets, 3-hole punched, 11 x 9, 50 sheets per box
Rings in the Redwoods: The Story of Mount Hermon
Lord of the Rings: Trilogy Trailer
Rugged Ridge 11235.01 3/4
Sassy Ring O' Links Rattle Developmental Toy
Lord of the Rings Return of the King Series 5 Figure: Mount Doom Frodo
Fotodiox 52mm Filter Thread Lens, Macro Reverse Ring Camera Mount Adapter, for Nikon D1, D2, D3, D3x,D3s, D100, D200, D300, D300s, D700, D40, D40x, D50, D60, D70, D70s, D80, D90, D3000, D3100, D5000, D7000


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Mount Ring information

lens-accessories Compare Mount Ring