GTO Plossl 4mm

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Brand and Model:GTO Plossl 4mm
Price ($USD):$28.95
Focal Length:4 mm
Barrel Size:1.25 in
Apparent FOV:52.0 degrees
Field Stop Dia.:0.0 mm
Eye Relief:4 mm
Weight (lbs):

Vote Highlights Vote
GTO Plossl 4mm
[webmaster note: vote moved from description]

Average optics, not much better than an SR 4mm. Purchase if you own a larger scope than a 114mm. You will not notice a significant difference in performance if you have a smaller apperature as the distortion will wipe out any benefit to the magnification. Another better choice would be to purchase a 9 mm and use a good quality 2x barlow.

However, with a larger apperture it is possible that this ep will be on a par with higher costing plossls.

Overall Rating: 5
Optics:5 Value:6
Weight: 10 (Trustworthy Vote)
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GTO Plossl 4mm
Reasonable Plossl. 4mm just doesn't work good with a Plossl design. Better to get an Ortho or even better yet a Radian.

Overall Rating: 4
Optics:4 Value:5
Weight: 1 (Unreliable Vote)
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