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TTArtisan launched an intriguing 10mm F2.0 for APS-C techniques. It is guide focus and guide aperture nevertheless it’s 10mm F2.0 so there’s that. As a result of there aren’t any electronics, Canon ignores it as if it doesn’t exist and so it is accessible for the RF mount.
Sadly, it has a good quantity of tangential astigmatism which makes it unsuitable for astrophotography, however for a 10mm lens even on APS-C you normally can reside with out autofocus, so it is a helpful lens, even when you solely use it for terrestrial images. Needless to say this lens is extremely cheap for a mind-boggling low worth of $159.00 – so it is exhausting to go incorrect with that. Should you examine an optical flaw, bear in mind .. $159.
Phillip Reeve has evaluation of it right here.
This lens’s mid-frame and nook sharpness, at wider apertures is weak, however it is vitally sharp within the middle proper from f/2 and sharp in all places at f/8 or smaller apertures. Most of this lens’s purposes do require stopping right down to f/8 or f/11 anyway, the place the lens sharpens up in all places within the body. The coma challenge fails this lens in the one software that requires sharpness large open to the sides and corners, astrophotography. You possibly can nonetheless use this lens for astrophotography, because it has good management over the worst kind of coma, simply put a very powerful a part of the sky within the middle of the body. Alternatively, its worth and sharpness, stopped right down to f/8, along with its beautiful sunstars, makes it one of the (if not probably the most) inexpensive and finest worth for cash extremely large angle lenses accessible for APS-C.
Buy when it’s in inventory from B&H Photovideo right here.
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