Sigma 2x apo teleconverter ex dg extender

See the full list of lens compatibility here , as well as special notes for AF distances with Sigma macro lenses. The extender has metal lens mounts, and the barrel is finished in a smooth matte black. The barrel feels like metal, perhaps aluminum, but Sigma doesn't specify. It doesn't have the odd Sigma "soft, rubbery" coating like a lot of their older lenses featured.

It weighs 5 oz. In terms of optical construction, the teleconverter is made up of five elements in three groups. It features Sigma "DG" lens coating, which is designed specifically for digital cameras, and is supposed to help reduce flare and ghosting.

Due to the construction of the Sigma extender, not all lenses are compatible. The glass elements protrude out from the front of the teleconverter and subsequently fit inside the back of the telephoto lenses.

Therefore, only lenses that provide enough clearance to fit this protrusion can be used. See the full list of lens compatibility here. There's a wide variety of other options for 1.

Canon 1. Distortion and shading results are about the same, though of course it will cost you a bit more for the version III model. The Mk. II version of Canon's 1. Nikon 1. Although we haven't tested this one ourselves, it's quite highly rated, but carries a similarly high price tag to the Canon 1. Tamron 1. Dave Image editing OK. F8 issue?

The camera will not progress past the displayed error screen. Firmware was updated but no change Please see this link. If you want to use a 2 x extender then you will need a lens with at least an aperture of F4, your lens is an F6. You maybe able to use "Live View" focus successfully for static subjects, but for moving subjects it is just not going to happen. Sorry to be the bearer of bad news. Life is for living, cameras are to capture it one day I will learn how! Thank you for that info.

I will try it on some moon pics I explained above that Sigma f4 with Canon 1. The f8 AF limitation is a totally different issue to a 'lens communication error' which prevents the camera taking a picture and is determined by both lens firmware and the actual TC used. Approve the Cookies This website uses cookies to improve your user experience.

By using this site, you agree to our use of cookies and our Privacy Policy. Register to forums Log in. RagingMike RagingMike Member. Sep 17, 1. LIKES 0. Sep 17, 2. Post edited over 2 years ago by John from PA. Description: Right before the sunset, I noticed this bird chilling on this tree looking down at the rising moon. Title: Robert K Dwyer. Description: The Moon, Inspiration for life. Title: Kim Ringeisen. Description: Tuscan Sun meets Tuscan Moon. As I was shooting in Tuscany this pat August, the moon was the largest I have ever seen it, setting up in a rolling tuscan hillside, I was able to capture this detailed and wonderful image with my Bigma!

Title: Old Lovers. Camera: Pentax Lens: 2. Description: Old Lovers. The focal length changes the angle of view in an image. The longer the focal length, the smaller the angle of view and the greater the magnification. Learn about the state of the art technology put into Sigma lenses to ensure high quality images. Find out in our full review. If you're looking to speed up your editing workflow, few pieces of hardware can make complex masking, brushing and cloning jobs easier than a digital pen.

We look at Xencelabs' latest offering, the Pen Tablet Small. The Great Joy 60mm T2. Apple's flagship M1 Max MacBook Pro offers a combination of performance, efficiency, build quality, and screen quality that you cannot find in any PC on the market, full stop. What's the best camera for shooting landscapes?

High resolution, weather-sealed bodies and wide dynamic range are all important. In this buying guide we've rounded-up several great cameras for shooting landscapes, and recommended the best. If you're looking for the perfect drone for yourself, or to gift someone special, we've gone through all of the options and selected our favorites. These capable cameras should be solid and well-built, have both speed and focus for capturing fast action and offer professional-level image quality.

Although a lot of people only upload images to Instagram from their smartphones, the app is much more than just a mobile photography platform. In this guide we've chosen a selection of cameras that make it easy to shoot compelling lifestyle images, ideal for sharing on social media. Submit a News Tip! Reading mode: Light Dark. Login Register. Best cameras and lenses. Started Mar 30, Discussions. Forum Threaded view. Mar 30, Reply to thread Reply with quote Complain. As additional info, I've got a crop-frame sensor camera T2i.

Reply Reply with quote Reply to thread Complain. I don't know why that is - the lens should autofocus with any 1. Even more peculiar. I purchased the Sigma 1. Here's a sample image of the two converters stacked:.