All Questions
79
questions
2
votes
0
answers
72
views
Threaded filter origin
Historically, who originated the convention of front-of-lens filters measured in millimeters?
From a casual search looking at photos in Wp etc.:
General discussion of filters appears to suggest that ...
0
votes
1
answer
173
views
How can I place an IR cut filter on an M12 lens?
I have an M12 lens and my camera doesn't have an IR cut filter. It's difficult to find an IR cut lens for my specific sensor size and desired focal length (sensor size 1/2.3, focal 2-4mm). Is there a ...
- 59
1
vote
2
answers
204
views
Will there be noticeable vignetting with 86mm filter ring stepped down to 82mm?
I'm about to buy a Meike 8mm Cine Lens for my BMPCC 4k (which has a 2.0x crop factor) in the M43 mount variant. The filter thread size is 86mm, but my only Pro-Mist and ND filter thread sizes work ...
- 11
3
votes
6
answers
3k
views
Do smartphones suffer from degrees of chromatic aberration? If so, how is it possible?
Smartphone imaging sensors are usually Bayer sensors which have a color filter array on top of each pixel, so each pixel ultimately captures one of red, green or blue colors of light. In that case,
...
- 177
0
votes
2
answers
221
views
UV and haze lens for Canon Powershot SX50 HS
Looking for UV and CPL lens for this camera. As far as I am aware the supplied lens is 58 mm. Offers seem to have either 58 mm lens sets from Fotover etc. or 67 mm lens form Neewer etc. I assume for ...
- 1
1
vote
1
answer
197
views
Equipment question - what in a lens name denotes when the filter mount moves during focusing?
Details:
Canon RP
I built a somewhat heavy lens attachment that mounts to the filter ring. This is fine with my old 85mm f1.8 as the filter ring is directly on the lens body.
I recently got a 35mm f1....
- 197
2
votes
2
answers
140
views
is using a screw on ND filter along with GND filers which require a holder possible?
I have a screw on 3 - 7 stop variable ND filter which screws on to the lens.
I want to buy some GND soft grads which require a filter holder (This holder needs to screw on to the lens).
Am I right ...
user91798
3
votes
2
answers
948
views
72mm filter on a 77mm lens
I bought some filters a few months ago with a 72mm thread. Now I find myself buying a new lens with a 77mm thread. I have never used step up/down rings before.
What the pro and cons of using an ...
- 33
0
votes
3
answers
186
views
Does the autofocus system look through the lenses?
I have a doubt about the effect of putting a filter (polarizer, UV etc) on the autofocus system.
In theory, a lens which is put in front of the lens will affect the focus (we must set a different ...
- 514
1
vote
1
answer
191
views
Kodak Retina IIS filter thread
I've inherited a Retina IIS, which is the fixed-lens variant of the more common IIIS. I've not been able to find a manual for it, although the IIIS's manual is fine for almost everything.
What that ...
user82065
0
votes
1
answer
8k
views
Can the front glass on a broken lens be repaired?
I just newly broke this glass on my lens tonight. Wondering if I need to buy a new lens or if I can repair this. It is a Canon EF 85mm f/1.8 USM. This is my favorite lens to use for portraits!
- 17
1
vote
1
answer
175
views
Focus Issues Using a C mount Filter on a CS Lens
I'm trying to use the Arducam 8mp with CS mount with a 25.4 C-Mount Filter, but I am unable to focus the picture. The filter fits perfectly and still leaves room for the lens to screw in.
It says in ...
- 113
2
votes
2
answers
221
views
Better Circular Polarizer for Sigma 150-500mm APO HSM [duplicate]
I recently used my Sigma 150-500 lens to shoot my son surfing. I was using a circular polarizer. The shots all appear out of focus even though focus was good and depth of field was good, even though ...
- 23
0
votes
2
answers
336
views
Should I remove UV filters from lenses for product photography? [duplicate]
I am starting to do product photography but I dont know whether I should keep the uv filter on my lens or not.
- 3
1
vote
3
answers
394
views
What would happen if the location of a filter on a lens were changed?
Most lenses have filter threads in front of the front element. However, some lenses have filter threads behind the rear element, such as some fisheye lenses b/c the front element protrudes too far ...
- 27k
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