What does the 55, 65, & 75mm size referre to? I would assume the diameter of the lens focus ring. The diameter of my 24-105 Canon L is almost 85mm
1134875
You assume right. The 75mm would probably work, but if it were me, I would use one of the simple band style of rings for something this large.
1134876
Yes, the mm sizes are for the diameter of the lens at the focus ring. I think I found a similar product but different brand to fit my larger diameter lenses. There is a different brand that has several rings that can fit a range from 60-70mm, 70-80mm, and I think 80-90mm. Can't remember if they're on Amazon or eBay. A search for lens gear or lens ring or lens gear ring on Google, Amazon, or eBay will find them. Look for model numbers like 5060, 6070, 7080, or 8090 which corresponds to their mm size range.
349530
It does refer to the diameter of your lens, if you are unsure or want to double check, look on the inside of your lens cap!
1134877
The largest ring will fit your 24-105! I use the largest ring with the same lens.
1245117
You actually need to look for the diameter of the lens. There is a symbol for diameter which is a circle with a slash through it and then it should say 52 or 77 or some number. That is the diameter so you look for that size mm lens cap. My camera is a 67mm diameter. I know this company has different sizes available.
2023170
What type of landscape work do you do? Sometimes, the extra reach of the 24-70 would suit you fine. The 16-35 will give you the wide side if you like to do sweeping landscapes. The 24-70 seems sharper when using higher apertures (2.8-3.5). I think the 24-70 is more of a multi-purpose lens. You might be able to sell the 24-105 because you will have the focal lengths of 24-200 covered in two lenses. The 24-105 is just over-lapping.
523340
If the 24-70 and the 17-40 are Canon EF lenses, then those would need a 77mm lens cap, NOT the 72mm lens cap. Look at the front of your lenses...you should see the lens diameter indicated with a "77".
597327
"Why would one choose the 15-85 over the 24-105?"Its just a matter of usefulness on a crop camera. The 24-105mm L costs about 50% more than 15-85mm but just isn't very wide at all on a crop camera - 38mm vs. 24mm equivalent focal length respectively. That's a huge difference when you want to capture a landscap, etc. The sheer versatility of the 15-85mm makes for an excellent travel lens on a crop camera without the need for also carrying an ultra-wide.
1184515
Yes, the factor is 1.5, so the 16-70 lens is really 24-105 35mm equivalent.
11422
My suggestions would be first the Canon 24-105mm F4.0 IS L and if the price is too much, go for the Canon EF-S 15-85mm f/3.5-5.6 IS USM.
11423
The 24-105 L with IS if not too expensive. If you want wide to telephoto lens the 18-200 canon lens would be fine but not as good as the L.
1922083
The 50 is probably more often referred to as a "standard" lens and works great. The 35 is slightly wider and often used for portraits of more than just one person (when you need to fit more people in the frame). Keep in mind that if you have a camera with an ASP-C sensor (or a "crop sensor"-- this is the Rebel line of Canon canons as well as the 7D, etc), the 50mm is closer to a (1.6 x 50 =) 80mm due to the smaller sensor and a 35 looks closer to a (35 x 1.6=) 56mm lens. What I would suggest before dropping a lot of money on the 35L or 50L is to see what range you use more or what looks better on your camera. Most Canon cameras come with an 18-55 or 24-105 lens. Zoom that lens to the 35mm mark and use that for a day and see how it works. Then do the same thing with the lens at the 50mm mark. If you find that 50 is too narrow or 35 is too wide, there is no sense in dropping $1000+ on a focal length you aren't likely to use.
2204555
The f/# changes as you zoom the lens. At 24mm it is f/2.8, at 85mm it is f/4.0.
356774
I have both lenses. I never use and in fact just sold the 18-55. The 18-105 is amazing, I highly recommend it. Here's the first picture I took with it the first day I got the 18-105. https://www.facebook.com/photo.php?fbid=557817730963053&set;=a.321466137931548.70815.321449031266592&type;=3&theater;
552637
I have the canon 17-85mm lens and it works great. You could also get the 40mm pancake or if you have a bit more of a buget, get the 24-105 mm canon lens, it is a sweet lens with a sharp image.
1140705
It depends on the focal length. At 18mm, you get from F3.5 to 22. At 55mm, you get F5.6 to 40.
1000781
It depends on which lens you are trying to connect. If its the 18-55 stock lens or the 70-200 zoom, from Canon, I believe, I believe that those are 58mm, already. Please tell me which lens exactly you are using, so I can assist better, Chloe.
452458
The Canon 70-300mm L Series Lens is 67mm in diameter as stated and thus requires a filter that is also 67mm in diameter. A 55mm lens filter will only fit lenses that are 55mm in diameter.
1381523
Depends on if you have a full frame camera, or one with a cropped sensor. A 24mm is really wide on a full frame. With a cropped sensor, a 24mm is really close to what a 35mm gives you.
2068756
Hi K. Johnson-I have been mulling over this very same thing.....I have decided on the 24-105 for a 50d. You may find this website helpful: www.the-digital-picture.com Has a nice review of canon lens recommendations which helped me to decide. Good luck!