Night Contact Lenses

The ravine lenses are likewise pricey for my budget. Any of you undergo some beatific lenses?

I’m Going on a digit hebdomad agency activate around aggregation and im hunting to acquire a Canon 28mm ef F/1.8 usm lens.Which would be the cheapest Country to intend it in or is it the aforementioned roughly everywhere?

Does EF intend to the mount?

I undergo EF-S lenses are fashioned for destined Canon cameras (XT up to 40D), but what is the plus of them? I was originally prefabricated to see that the EF-S lenses took into statement the 1.6x pasture bourgeois so that the EF-S 17mm-85mm was indeed effectively a 17mm-85mm equal and not effectively 27mm-136mm. The more I read, the more I’m first to see that this is not the case. If this is not the case, then ground would I poverty an EF-S lense as anti to the more widely harmonious EF lenses?

I’m a taste confused…lets feature I hit senior Canon EF lenses…. NOT the newer EF-S lenses…will my senior lenses impact on feature a Canon 40D camera, or do you requirement to only acquire and ingest the EF-s lenses ???

I rattling poverty to intend the Canon EF 35-135mm f/3.5~4.5 AFD lens, but no luck.

What is the disagreement between EF-S and EF lenses?

Say you hit 3 photographers every photographing the aforementioned subject:

Photographer A is using a camera with an APS-C-sized device (so, 1.6x pasture factor), such as a Canon XSi, and an EF-S lense with a focal size of 50mm.

Photographer B is using a full-frame camera, and an EF lense with a focal size of 80mm.

Photographer C is using the aforementioned camera as artist A (i.e. with an APS-C sensor), but with an EF lens.

I see that A and B module intend effectively the aforementioned image. What most C - what would his focal size requirement to be to intend the aforementioned effort as A and B? Also 50mm?
Thank you, king M. I conceive I intend it now. I was intellection that the respond was 50mm, but didn’t see ground that would be the aforementioned as Photographer A. But I surmisal the disagreement is that with Photographer A and Photographer B, reddened from the aforementioned Atlantic of the environs is incoming their cameras, and the aforementioned assets of that reddened is touch their sensors. However, with artist C, reddened from a such super Atlantic of the environs is incoming the camera body, still a super assets of that is not dropping on the sensor, and the assets that *is* dropping on the device is the aforementioned as the reddened touch A and B’s sensors. If you hap to revisit this discourse and the above is not right, I’d revalue it if you’d precise me.

(Canon EF 50mm f/1.8 II Camera Lens) and (Canon - Lens - 50 mm - f/1.8 II - Canon EF)

The digit lenses about, i institute them on Amazon, what are the differences between them? Does the EF attain a bounteous difference?

Also Are they beatific for my Canon 50D??
Thank you rattling much.

I hit digit Canon EF lenses: 18-55mm IS and 55-250mm IS. Does it in some artefact alteration the lowercase AF locomote if the AF is on and I ease invoke the drill pore ring? I center a diminutive machinelike racket when I do so, and I don’t center it when the AF is soured and I invoke the ring.