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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

optical protection for RPPs

Shawn Nelson

Shawn Nelson

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Based on previous threads I see that 105mm filters can be screwed onto the front of RPPs. Due to one of my renters scratching them (now in for repair at Red) I need to protect my lenses. I got a 4x5.65 optical flat for when a matte box is in use, but I thought I'd get one of the 105mm for when there is no matte box.

Has anyone done this yet? I read that you want to get multi-coated so as to not introduce unnecessary artifacts/flares.

So these are what I'm debating between
http://www.bhphotovideo.com/c/product/445557-REG/Sigma_AFK940_105_mm_UV_Multi_Coated.html

http://www.bhphotovideo.com/c/product/120483-REG/B_W_66045116_105mm_UV_Haze_010.html

Both are multicoated and brands I recognize, so I'm inclined to save $50 and go for the Sigma
 
I'd feel comfortable with a B+W filter in front of my RPP.
I'd feel uncomfortable with a Sigma filter in front of my RPP. I'd remove it before shooting.
 
I have one thought. Your RPP's are made of amazing glass and precision probably takes a month to make one why would you put a cheap pice of glass or plastic in front of that beautiful glass.
 
Dan Kanes said:
Check this bad boy out.

I seriously don't think Mamiya could produce any bad glass product (i'm a mamiyaholic.)
Click to expand...

mamiya has had a good run.. but they have had some not so good glass (specially the zooms) over time.
 
Shawn Nelson said:
Due to one of my renters scratching them (now in for repair at Red) I need to protect my lenses.
Click to expand...

I hate the way people often treat equipment when they rent it. There seems to be a sense of entitlement with some renters. "I paid for it ... I can use it any way that I want to."

Do you think that the slight reduction in blue (with a UV filter) will have any effect of the RPP's image?
 
are screw on filters standard practice
 
Martin Ubilluz said:
are screw on filters standard practice
Click to expand...
In the stills world - yes. In the motion picture world - no.

I personally would not be impressed if I hired a set of cine lenses and found UV protective filters on the front of all the lenses... On the other hand, if you're talking about a single 105mm filter in the kit to use as an op flat when not using a mattebox and in a situation where lens damage is possible, that's not a bad idea at all.

Just my 0.02...
Dom.
 
Matthew Duclos said:
The filter comes with photoshop?
Click to expand...

Hahaha:cornut: I hear if you buy the $188 sigma filter they throw in a photoshop elements training DVD too.

In all seriousness though, why pay $188 or $130 for a UV filter that is meant to be sent out on rental. If they are going to be that careless then they have to shoot with the UV filters on. that's that.

Hope you made them or their insurance pay for the repair though...Furthermore, downtime because of a repair is something else you should be charging in collateral from them too.
 
I have a single B+W MRC coated filter, that I throw on lenses only when I'm shooting in dirty or rainy conditions. The MRC coating practically sheds water drops (almost like Rain-X on your car windshield) and it's very easy to clean anything else that gets on the filter, like, for instance, giraffe drool... That one is a long story.
 
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