Started by SarahJ_77, 2 Oct 2026. 7 replies, 276 views
Gear in this topic: Canon EOS R10, RF 50mm f/1.8 STM, RF-S 18-150mm f/3.5-6.3 IS STM
Sorry if this is a silly question. I mostly photograph my dog (Biscuit, a very fast beagle) and now it's getting darker in the evenings my walk photos are all either blurry or really grainy. I'm using the 18-150 that came with my R10, on the auto mode with the little running man.
Lots of people seem to say get the 50mm 1.8. Would that actually fix it, or is it the camera? I don't really understand the f numbers if I'm honest, I just know the 50 is cheap. Thanks!
Not a silly question at all! Your 18-150 is f/6.3 at the long end and the 50 is f/1.8, which lets in roughly three and a half stops more light. In plain English, the camera can use a much faster shutter speed at the same ISO, and a fast shutter speed is what freezes a speeding beagle. It'll make a big difference.
The catch is it doesn't zoom, so you'll be doing the zooming with your feet. On an R10 it frames like an 80mm, which is lovely for a dog at a few metres but tight if Biscuit comes barrelling straight at you. Mine are birds rather than dogs, but I lean on fast glass and Auto ISO every evening from now until March!
SarahJ_77 said:I just know the 50 is cheap
YES get the 50!! Got mine in April and it's my favorite lens by a mile. Best $200 I've spent on this hobby, indoors it's like a different camera
Faster lens helps. Also get off the running man. Shutter priority, 1/500, auto ISO.
5amJim said:Shutter priority, 1/500, auto ISO
Sorry, is that the Tv on the dial? I'll be honest I've never moved it off the green square or the running man. I did try M once and every photo came out black so I panicked and put it back. Should I be changing the focus settings as well or leave those alone?
Yes, Tv! Turn the dial to Tv, spin the wheel by the shutter button until it says 500, and make sure ISO is on Auto. It will get grainy as the light goes, but a sharp grainy photo beats a smooth blurry one every time, and the 50 will help a lot with the grain too.
Ordered the 50 on Saturday and it came today. Took it out for the last bit of the walk tonight and got Biscuit mid-leap after his ball, actually sharp! Still a bit grainy but you're right, I really don't mind. Thank you so much everyone
Same boat with my daughter's evening practices. The Tv tip is what fixed it for me too, way more than any lens. Thanks for posting this Sarah, glad Biscuit cooperated