Go Back   Steve's Digicams Forums >

LinkBack Thread Tools Search this Thread
Old Mar 19, 2003, 3:14 PM   #1
Junior Member
Kohl's Avatar
Join Date: Mar 2003
Posts: 13
Default Lens size/filter stacking question

I have a minolta dimage 7. I know the lens size is 49mm. I want to buy a clear glass ( UV ? ) protector lens and a polarizer.

I would like to be able to screw the polarizer onto the the protector lens. That way, I don't have to change them out. Is this doable? If so, do all glass lenses let you stack? If I buy a 49mm clear lens and stack a polarizer on it - will the polarizer also be 49mm?

Last questions: Can I get both quality lenses for less than $60.00?
If so, where would you shop online?
Kohl is offline   Reply With Quote
Sponsored Links
Old Mar 19, 2003, 4:06 PM   #2
Senior Member
gibsonpd3620's Avatar
Join Date: Sep 2002
Posts: 3,585

Yes it is possible to screw a polarizer filter on a uv or clear filter. The folks at www.2filters.com can help you and answer all your questions. I looked at their price list and a uv and cir polar filter should run about $45.
gibsonpd3620 is offline   Reply With Quote
Old Mar 19, 2003, 4:14 PM   #3
Junior Member
Kohl's Avatar
Join Date: Mar 2003
Posts: 13

Thanks for the fast response. I suppose this means the lens cap on the dimage will not fit any longer... so I'll probably have to get one of those also.
Kohl is offline   Reply With Quote
Old Mar 20, 2003, 1:47 PM   #4
Senior Member
JimHunt's Avatar
Join Date: Jun 2002
Posts: 147

Kohl, your D7 will vignette at wide angles if you stack filters. Even standard thickness 49mm polarizers will vignette without stacking. When you start stacking, it gets worse. You'll need to buy a thin polarizer and not stack it, or step up to a larger filterr size--and even that won't guarantee no vignetting.

Some additional info here:
JimHunt is offline   Reply With Quote
Old Mar 20, 2003, 2:28 PM   #5
Senior Member
sjms's Avatar
Join Date: Jul 2002
Posts: 2,735

be real careful on the depth of the ring. thicker then 4mm and you will get vignetting in the corners 2 companies make thin ring filters B&W and Hoya. i use the B&W 49mm and it is threaded in the front so the cap fits. you will have to remove it if you want to use a polorizer. i have my 77mm from my slr lenses and a step up ring 49-77mm to keep it on the cheap since i spent a small fortune on the original 77 pol. looks kinda funky but doesn't vignette. and you can forget the lens shade for that.


call them they are extremely helpful and the prices aren't bad for the quality they carry.

by the way you have a real good IR camera there also. the 7i and above changed a few little things and screwed that up
sjms is offline   Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -5. The time now is 5:07 AM.